% bibligraphy on Information Retrieval (mainly Natual Lnguage Processing for IR)
% compiled by :
% ====================================================================
% Miguel Angel ALONSO PARDO                                 Grupo COLE
% --------------------------------------------------------------------
% Facultad de Informatica   _/ email: alonso at udc.es
% Universidad de La Coruna  _/ WWW  : http://www.dc.fi.udc.es/~alonso/
% Campus de Elvina s/n      _/ phone: +34 981.16.70.00 ext. 1338
% E-15071 La Coruna (Spain) _/ fax  : +34 981.16.71.60
% ====================================================================




@InProceedings{AleAraArrCasEzeEzeUri2002a,
  author = 	 {Alegr\'{\i}a, I. and Aranzabe, M. J. and Arregi, O. and Casillas, A. and Ezeiza, A. and Ezeiza, N. and Urizar, R.},
  title = 	 {Trabajos en el \'area de la recuperaci\'on de la Informaci\'on del Grupo {IXA} de la {U}niversidad del {P}a\'{\i}s {V}asco},
  booktitle =	 {Actas de las I Jornadas de Tratamiento y
                  Recuperación de Información (JOTRI)},
  pages =	 {175--182},
  year =	 {2002},
  editor =	 {Emilio Sanch\'{\i}s and Lidia Moreno and Isidoro Gil},
  address =	 {Valencia, Spain},
}

@InCollection{AloVilDar2002a,
  author =	 {Alonso, Miguel A. and Vilares, Jes\'us
                  and Darriba, V\'{\i}ctor Manuel},
  title =	 {On the Usefulness of Extracting Syntactic
                  Dependencies for Text Indexing},
  booktitle =	 {Artificial Intelligence and Cognitive Science},
  pages =	 {3--11},
  publisher =	 {Springer-Verlag},
  year =	 {2002},
  editor =	 {O'Neill, M. and Sutcliffe, F. F. E. and Ryan, C. and
                  Eaton, M.},
  volume =	 {2464},
  series =	 {Lecture Notes in Artificial Intelligence},
  address =	 {Berlin-Heidelberg-New York},
}


@Article{AloVilRib2004a,
  author = 	 {Alonso, Miguel A. and Vilares, Jes\'us
                  and Ribadas, Francisco J.},
  title = 	 {Experiencias del Grupo {COLE} en la aplicaci\'on de t\'ecnicas de Procesamiento del Lenguaje Natural a la Recuperaci\'on de Informaci\'on en espa\~nol},
  journal = 	 {Inteligencia Artificial},
  year = 	 {2004},
  volume =	 {22},
  OPTnumber = 	 {},
  pages =	 {123--134},
}

@InCollection{AraWeiBomKos2000a,
  author =	 "Arampatzis, Avi and van der Weide, Th. P. and van Bommel, P. and
                  Koster, C.H.A. ",
  title =	 "Linguistically-motivated Information Retrieval",
  booktitle =	 "Encyclopedia of Library and Information Science",
  publisher =	 "Marcel Dekker, Inc",
  year =	 "2000",
  volume =	 "69",
  pages =	 "201--222",
  address =	 "New York-Basel",
}

@Book{BaeRib99a,
  author =	 "Baeza-Yates, Ricardo and Ribeiro-Neto, Berthier",
  title =	 "Modern Information Retrieval",
  publisher =	 "Addison Wesley and ACM Press",
  year =	 "1999",
  address =	 "Harlow, England",
  ISBN =	 {0-201-39829-X},
}

@InCollection{Bal2000a,
  author =	 {Ballesteros, Lisa A.},
  title =	 {Cross-language retrieval via transitive translation},
  booktitle =	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {203--234},
  publisher =	 {Kluwer Academic Publishers},
  year =	 2000,
  editor =	 {Croft, W. Bruce},
  volume =	 7,
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 8,
  address =	 {Boston/Dordrecht/London},
}

@InProceedings{BarDomAloCabGraVilVilRojSanSot2002a,
  author =	 {Barcala, Fco. Mario and Dom\'{\i}nguez, Eva M. and
                  Alonso, Miguel A. and Cabrero, David and Gra\~na,
                  Jorge and Vilares, Jes\'us and Vilares, Manuel and
                  Rojo, Guillermo and Santalla, M. Paula and Sotelo,
                  Susana},
  title =	 {Una aplicaci\'on de {RI} basada en {PLN}: el
                  proyecto {ERIAL}},
  booktitle =	 {Actas de las I Jornadas de Tratamiento y
                  Recuperación de Información (JOTRI)},
  pages =	 {165--172},
  year =	 {2002},
  editor =	 {Emilio Sanch\'{\i}s and Lidia Moreno and Isidoro Gil},
  address =	 {Valencia, Spain},
}

@InProceedings{BarVilAloGraVil2002a,
  author =	 "Barcala, Fco. Mario and Vilares, Jes\'us and Alonso, Miguel A. and
                  Gra\~na, Jorge and Vilares, Manuel",
  title =	 "Tokenization and Proper Noun Recognition for
                  Information Retrieval",
  editor =	 "Tjoa, A Min and Wagner, Roland R.",
  pages =	 "246-250",
  booktitle =	 "Thirteen International Workshop on Database and
                  Expert Systems Applications. 2-6 September
                  2002. Aix-en-Provence, France",
  year =	 "2002",
  publisher =	 "IEEE Computer Society Press",
  address =	 "Los Alamitos, California, USA",
  month =	 Sep,
}



@InProceedings{BarCotBel94a,
  author = 	 {Bartell, Brian T. and Cottrell, Garrison W. and Belew, Richard K.},
  title = 	 {Automatic combination of multiple ranked retrieval systems},
  booktitle = 	 {Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval},
  pages =	 {173--181},
  year =	 {1994},
  address =	 {Dublin, Ireland},
  organization = {ACM},
}

@InProceedings{BeaIsrPetMar97a,
  author =	 "Bear, John and Israel, David and Petit, Jeff and
                  Martin, David",
  title =	 "Using Information Extraction to Improve Document
                  Retrieval",
  pages =	 "367--377",
  booktitle =	 "NIST Special Publication 500-240: The Sixth Text
                  REtrieval Conference (TREC 6)",
  year =	 "1998",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{BesChaRajRoz2001a,
  author =	 {Besan\c{c}on, Romaric and Chappelier, Jean-C\'edric
                  and Rajman, Martin and Rozenknop, Antoine},
  title =	 {Improving Text representations through Probabilistic
                  Integration of Synonymy Relations},
  booktitle =	 {Proceedings of the Xth International Symposium on
                  Applied Stochastic Models and Data Analysis
                  (ASMDA'2001)},
  editor =	 {G.~Govaert, J.~Janssen, N.~Limnios},
  volume =	 {1},
  year =	 {2001},
  address =	 "Compi\`egne, France",
  pages =	 {200--205}
}


@InCollection{BesRajCha99a,
  author = 	 {Besan\c{c}on, Romaric and Rajman, Martin and Chappelier, Jean-C\'edric},
  title = 	 {Textual Similarities Based on a Distributional Approach},
  booktitle = 	 {10th International Workshop on Database and Expert Systems Applications, September 01--03, 1999, Florence, Italy},
  pages =	 {180--184},
  publisher =	 {IEEE Computer Society Press},
  year =	 {1999},
  address =	 {Los Alamitos, California, USA},
  month =	 Sep,
}



@InProceedings{BriPag98a,
  author = 	 {Brin, Sergey and Page, Lawrence},
  title = 	 {The Anatomy of a large-Scale Hypertextual Web Search Engine},
  booktitle = 	 {Proc. fo the Seventh International Conference on World Wide Web},
  pages =	 {107--117},
  year =	 {1998},
  address =	 {Brisbane, Australia},
  note =	 {\texttt{http://www-db.stanford.edu/\~{}backrub/google.html}},
}

@InProceedings{BurAbePal97a,
  author = 	 {Burger, John D. and Aberdeen, John S. and Palmer, David D.},
  title = 	 {Information Retrieval and Trainable Natural Language Processing},
  booktitle = 	 {NIST Special Publication 500-238: The Fifth Text REtrieval Conference (TREC-5)},
  pages =	 {433--435},
  year =	 {1997},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@Article{CafCut2004a,
  author = 	 {Cafarella, Mike and Cutting, Doug},
  title = 	 {Building {N}utch: Open Source Search},
  journal = 	 {ACM Queue},
  year = 	 {2004},
  volume =	 {2},
  number =	 {2},
  pages =	 {54--61},
  month =	 Apr,
}

@InCollection{Cal2000a,
  author =	 {Callan, Jamie},
  title =	 {Distributed Information Retrieval},
  booktitle =	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {127--150},
  publisher =	 {Kluwer Academic Publishers},
  year =	 2000,
  editor =	 {Croft, W. Bruce},
  volume =	 7,
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 5,
  address =	 {Boston/Dordrecht/London},
}



@InProceedings{CarCohFagFarHerMaaSof2001a,
  author = 	 {Carmel, David and Cohen, Doron and Fagin, Ronald and Farchi, Eitan and Herscovici, Michael and Maarek, Yo\"elle and Soffer, Aya},
  title = 	 {Static index pruning for information retrieval systems},
  booktitle = 	 {Proceedings of the 24th annual international ACM SIGIR conference on Research and development in information retrieval},
  pages =	 {43--50},
  year =	 {2001},
  address =	 { New Orleans, Louisiana, USA},
  month =	 Sep,
  organization = {ACM},
}


@InCollection{ChaBan2000a,
  author = 	 "Chandrasekar, Raman and Bangalore, Srinivas",
  title = 	 "Using Supertags in Document Filtering: The Effect of Increased Context on Information Retrieval Effectiveness",
  booktitle =	 "Recent Advances in Natural Language Processing II",
  publisher =	 "John Benjamins Publishing Company",
  year =	 "2000",
  editor =	 "Nicolov, Nicolas and Mitkov, Ruslan",
  volume =	 "189",
  series =	 "Current Issues in Linguistic Theory",
  pages =	 "387--398",
  address =	 "Amsterdam \& Philadelphia",
  ISBN =         {90-272-3695-X},		  
}


@InCollection{Chi2000a,
  author = 	 {Chiaramella, Yves},
  title = 	 {Information Retrieval and Structured Documents},
  booktitle = 	 {Lectures on Information Retrieval},
  pages =	 {289--309},
  publisher =	 {Springer-Verlag},
  year =	 {2000},
  editor =	 {Agosti, M. and Crestani, F. and Pasi, G.},
  volume =	 {1980},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}

@InProceedings{CorDol99a,
  author = 	 {Corston-Oliver, Simon H. and Dolan, William B.},
  title = 	 {Less is more: Eliminating index terms from subordinate clauses},
  booktitle = 	 {37th Annual Meeting of the Association for Computational Linguistics. Proceedings of the Conference},
  pages =	 {349--356},
  year =	 {1999},
  address =	 {College Park, Maryland, USA},
  month =	 Jun,
  organization = {ACL},
}

@InCollection{Cow99a,
  author =	 "Cowie, Jim",
  title =	 "Collage: An {NLP} Toolset to Support Boolean
                  Retrieval",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "273--287",
  address =	 "Dordrecht/Boston/London",
}



@Misc{Cra2004a,
  author =	 {Craven, Phil},
  title =	 {Google's PageRank Explained and how to make the most of it},
  howpublished = {\texttt{http://www.webworkshop.net/pagerank.html}},
  OPTmonth = 	 {},
  OPTyear = 	 {},
  note =	 {Last visited: February 19, 2004},
  OPTannote = 	 {}
}

@Article{CreLalRijCam98a,
  author = 	 {Crestani, Fabio and Lalmas, Mounia and van Rijsbergen, Cornelis J. and Campbell, Iain},
  title = 	 {``Is this document relevant? \ldots Probably'': A Survey of Probabilistic Models in Information Retrieval},
  journal = 	 {ACM Computing Surveys},
  year = 	 {1998},
  volume =	 {30},
  number =	 {4},
  pages =	 {528--552},
  month =	 Dec,
}

@InProceedings{CreSanTheLal98a,
  author = 	 {Crestani, Fabio and Sanderson, Mark and Theophylactou, Marcos and Lalmas, Mounia},
  title = 	 {Short QUeries, Natural Language and Spoken Document retrieval: Experiments at {G}lasgow {U}niversity},
  booktitle = 	 {NIST Special Publication 500-240: The Sixth Text REtrieval Conference (TREC-6)},
  pages =	 {667--686},
  year =	 {1998},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@Book{Cro2000a,
  title =	 "Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "2000",
  editor =	 "Croft, W. Bruce",
  volume =	 "7",
  OPTnumber =	 "",
  series =	 "The Kluwer International Series on Information
                  Retrieval",
  address =	 "Dordrecht, The Netherlands",
}

@InCollection{Cro2000b,
  author =	 {Croft, W. Bruce},
  title =	 {Combining Approaches to Information Retrieval},
  booktitle =	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {1--36},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {1},
  address =	 {Boston/Dordrecht/London},
}



@Article{CroCroCheHol2002a,
  author = 	 {Crouch, Carolyn J. and Coruch, Donald B. and Chen, Qingyan and Holtz, Steven J.},
  title = 	 {Improving the retrieval effectiveness of very short queries},
  journal = 	 {Information Processing and Management},
  year = 	 {2002},
  volume =	 {38},
  pages =	 {1--36},
}

@InProceedings{Dan93a,
  author = 	 {Danowsky, James A.},
  title = 	 {{WORDIJ}: A Word-Pair Approach to Information Retrieval},
  booktitle = 	 {NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1)},
  pages =	 {131--136},
  year =	 {1993},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@Article{DiaGuiBasLop2000a,
  author =	 {Dias, Ga\"el and Guillor\'e, Sylvie and Bassano,
                  Jean-Claude and Pereira Lopes, Jos\'e Gabriel},
  title =	 "Extraction automatique d'unit\'es lexicales
                  complexes: un enjeu fondamental pour la recherche
                  documentaire",
  journal =	 "Traitement automatique des langues",
  year =	 "2000",
  volume =	 "41",
  number =	 "2",
  pages =	 "447--472",
}

@Book{Dom2001a,
  author =	 {Dominich, S\'andor},
  title =	 {Mathematical Foundations of Information Retrieval},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2001},
  volume =	 {12},
  OPTnumber =	 {},
  series =	 {Mathematical Modelling: Theory and Applications},
  address =	 {Dordrecht / Boston / London},
}


@Article{DreHow97a,
  author = 	 {Drelinger, Daniel and Howe, Adele E.},
  title = 	 {Experiences with Selecting Search Engines Using Metasearch},
  journal = 	 {ACM Transactions on Information Systems},
  year = 	 {1997},
  volume =	 {15},
  number =	 {3},
  pages =	 {195--222},
  month =	 Jul,
}

@Article{Eft96a,
  author =	 {Efthimis N. Efthimiadis},
  title =	 {Query Expansion},
  journal =	 {Annual Review of Information Systems and Technology},
  year =	 {1996},
  volume =	 {31},
  OPTnumber =	 {},
  editor =	 "Williams, Martha E.",
  pages =	 {121--187},
}


@InProceedings{EvaLef94a,
  author = 	 {Evans, David A. and Lefferts, Robert G.},
  title = 	 {Design and Evaluation of the {CLARIT-TREC}-2 System},
  booktitle = 	 {NIST Special Publication 500-215: The Second Text REtrieval Conference (TREC-2)},
  pages =	 {137--150},
  year =	 {1994},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{EvaBenTonHueZhaSto2000a,
  author = 	 {Evans, David A. and Bennett, Jeffrey and Tong, Xiang and Huettner, Alison and Zhai, Chengxiang and Stoica, Emilia},
  title = 	 {{CLARIT} {TREC}-8 Manual Ad-Hoc Experiments},
  booktitle = 	 {NIST Special Publication 500-246: The Eighth Text REtrieval Conference (TREC-8)},
  pages =	 {335--340},
  year =	 {2000},
  editor =	 {Voorhees, E. M.  and Harman, D. K.},
  address =	 {Gaithersburg, MD, USA},
  publisher =	 {Department of Commerce, National Institute of Standards and Technology  },
}


@InProceedings{EvaLefGreHanHerArc93a,
  author = 	 {Evans, David A. and Lefferts, Robert G. and Grefenstette, Gregory and Handerson, Steven K. and Hersh, William R. and Archbold, Armar A.},
  title = 	 {{CLARIT TREC} Design, Experiments, and results},
  booktitle = 	 {NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1)},
  pages =	 {251--286},
  year =	 {1993},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}



@InProceedings{EvaZha96a,
  author = 	 {Evans, David A. and Zhai, Chengxiang},
  title = 	 {Noun-Phrase Analysis in Unrestricted Text for Information Retrieval},
  booktitle = 	 {Proceedings of the 34th Meeting of the Association for Computational Linguistics},
  pages =	 {17--24},
  year =	 {1996},
  address =	 {Santa Cruz, California, USA},
  month =	 Jun,
  organization = {ACL},
}

@InProceedings{FerGraSor2002a,
  author =	 "{Fern\'andez Lanza}, Santiago and {Gra\~na Gil},
                  Jorge and {Sobrino Cerdeiri\~na}, Alejandro",
  title =	 "A {S}panish e-Dictionary of Synonyms as a Fuzzy Tool
                  for Information Retrieval",
  OPTeditor =	 "",
  pages =	 "31--37",
  booktitle =	 "Actas del XI Congreso Español sobre Tecnologías y
                  Lógica Fuzzy (ESTYLF-2002)",
  year =	 "2002",
  address =	 "Le\'on, Spain",
  month =	 Sep,
}

@InProceedings{FigGomZazAlo2001a,
  author =	 "Figuerola, Carlos G. and G\'omez, Raquel and Zazo
                  Rodr\'{\i}guez, Angel F. and Alonso Berrocal, Jos\'e
                  Luis",
  title =	 "Stemming in {S}panish: A First Approach to its
                  Impact on Information Retrieval",
  editor =	 "Peters, Carol",
  booktitle =	 "Working notes for the CLEF 2001 workshop",
  year =	 "2001",
  address =	 "Darmstadt, Germany",
  month =	 Sep,
}

@Book{FraBae92a,
  title =	 "Information Retrieval. Data Structures and
                  Algorithms",
  publisher =	 "Prentice Hall",
  year =	 "1992",
  editor =	 "Frakes, William B. and Baeza-Yates, Ricardo",
  address =	 "Upper Saddle River, New Jersey",
}

@InProceedings{GonPenVer2002a,
  author = 	 {Gonzalo, Julio and Pe\~nas, Anselmo and Verdejo, Felisa},
  title = 	 {La indexaci\'on con t\'ecnicas ling\@u\'{\i}sticas en el modelo cl\'asico de Recuperaci\'on de Informaci\'on},
  booktitle =	 {Actas de las I Jornadas de Tratamiento y
                  Recuperación de Información (JOTRI)},
  pages =	 {97--106},
  year =	 {2002},
  editor =	 {Emilio Sanch\'{\i}s and Lidia Moreno and Isidoro Gil},
  address =	 {Valencia, Spain},
}


@Article{Gre2001a,
  author =	 "Greenberg, Jane",
  title =	 "Automatic Query Expansion via Lexical-Semantic
                  Relationships",
  journal =	 "Journal of the American Society for Information
                  Science and Technology",
  year =	 "2001",
  volume =	 "52",
  number =	 "5",
  pages =	 "402--415",
}

@Book{Gre98a,
  title =	 "Cross-Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1998",
  editor =	 "Grefenstette, Gregory",
  series =	 "The Kluwer International Series on Information
                  Retrieval",
  address =	 "Norwell, Massachusetts, USA",
  ISBN =	 {0-7923-8122-X},
}

@InCollection{Gre98b,
  author =	 "Grefenstette, Gregory",
  title =	 "The Problem of Cross-Language Information Retrieval",
  booktitle =	 "Cross-Language Information Retrieval",
  chapter =	 "1",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1998",
  editor =	 "Grefenstette, Gregory",
  pages =	 "1--9",
  series =	 "The Kluwer International Series on Information
                  Retrieval",
  address =	 "Norwell, Massachusetts, USA",
}

@InCollection{Gre2000a,
  author =	 {Greiff, Warren R.},
  title =	 {The use of exploratory data analysis in information
                  retrieval research},
  booktitle =	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {37--72},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {2},
  address =	 {Boston / Dordrecht / London},
}



@Article{GugRow96a,
  author = 	 {Guglielmo, Eugene J. and Rowe, Neil C.},
  title = 	 {Natural-Language Retrieval of Images Based on Descriptive captions},
  journal = 	 {ACM Transactions on Information Systems},
  year = 	 {1996},
  volume =	 {14},
  number =	 {3},
  pages =	 {237--267},
}

@Article{GupJai97a,
  author =	 "Gupta, Amarnath and Jain, Ramesh",
  title =	 "Visual Information Retrieval",
  journal =	 "Communications of the ACM",
  year =	 "1997",
  volume =	 "40",
  number =	 "5",
  pages =	 "71--79",
  month =	 May,
}

@InCollection{GutGutLei99a,
  author =	 "Guthrie, Louise and Guthrie, Joe and Leistensnider,
                  James",
  title =	 "Document Classification and Routing. {A}
                  Probabilistic Approach",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "289--310",
  address =	 "Dordrecht/Boston/London",
}



@Article{Har91a,
  author = 	 {Harman, Donna},
  title = 	 {How Effective is Suffixing?},
  journal = 	 {Journal of the American Society for Information Science},
  year = 	 {1991},
  volume =	 {42},
  number =	 {1},
  pages =	 {7--15},
}

@InCollection{Hea99a,
  author =	 "Hearst, Marti A.",
  title =	 "The Use of Categories and Clusters for Organizing
                  Retrieval Results",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "333--374",
  address =	 "Dordrecht/Boston/London",
}

@InProceedings{HeaPedPirSchGreHul96a,
  author = 	 {Hearst, Marti A. and Pedersen, Jan O. and Pirolli, Peter and Sch\"utze, Hinrich and Grefenstette, Gregory  and Hull, David A.},
  title = 	 {Xerox Site Report: Four {TREC}-4 Tracks},
  booktitle = 	 {NIST Special Publication 500-236: The Fourth Text REtrieval Conference (TREC-4)},
  pages =	 {97--119},
  year =	 {1996},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{HerDay98a,
  author = 	 {Hersh, William and Day, Bikram},
  title = 	 {A Comparison of Boolean and natural Language Searching for the {TREC}-6 Interactive Task},
  booktitle = 	 {NIST Special Publication 500-240: The Sixth Text REtrieval Conference (TREC-6)},
  pages =	 {585--595},
  year =	 {1998},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{HerPriKraChaSacOls99a,
  author =	 {Hersh, William and Price, Susan and Chan, Benjamin and Sacherek, Lynetta and Olson, Daniel},
  title =	 "A Large-Scale Comparison of Boolean vs. Natural Language Searching for the {TREC}-7 Interactive Track",
  pages =	 "491--500",
  booktitle =	 "NIST Special Publication 500-242: The Seventh Text
                  REtrieval Conference (TREC 7)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "1999",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@InProceedings{HieKra99a,
  author =	 {Hiemstra, Djoerd and Kraaij, Wessel},
  title =	 "Twenty-{O}ne at {TREC}-7: Ad-hoc and Cross-language track",
  pages =	 "227--238",
  booktitle =	 "NIST Special Publication 500-242: The Seventh Text
                  REtrieval Conference (TREC 7)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "1999",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@InCollection{HieKraPohWes2001a,
  author =	 "Hiemstra, Djoerd and Kraaij, Wessel and Pohlmann,
                  Ren\'ee and Westerveld, Thijs",
  title =	 "Translation resources, Merging Strategies, and
                  Relevance Feedback for Cross-Language Information
                  retrieval",
  booktitle =	 "Cross Language Information Retrieval and Evaluation",
  publisher =	 "Springer-Verlag",
  year =	 "2001",
  editor =	 "Peters, C.",
  number =	 "2069",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "102--115",
  address =	 "Berlin and Heidelberg",
}

@InProceedings{HolGrosFrieMcCCho99a,
  author =	 {Holmes, David O. and Grossman, David A. and Frieder, Ophir and McCabe, M. Catherine and Chowdhury, Abdur},
  title =	 "Use of Query Concepts and Information Extraction to Improve Information Retrieval Effectiveness",
  pages =	 "399-408",
  booktitle =	 "NIST Special Publication 500-242: The Seventh Text
                  REtrieval Conference (TREC 7)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "1999",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{HolBoh2000a,
  author =	 {Holub, Martin and B\"ohmov\'a, Alena},
  title =	 "Use of Dependency Tree Structures for the Microcontext Extraction",
  editor =	 "Klavans, J. and Gonzalo, J.",
  OPTpages =	 "",
  booktitle =	 "Proc. of the ACL'2000 workshop on Recent Advances in
                  Natural Language Processing and Information
                  Retrieval",
  year =	 "2000",
  address =	 "Hong Kong",
  month =	 Oct,
}



@Article{Hul96a,
  author = 	 {Hull, David A.},
  title = 	 {Stemming algorithms: A Case Study for Detailed Evaluation},
  journal = 	 {Journal of the American Society for Information Science},
  year = 	 {1996},
  volume =	 {47},
  number =	 {1},
  pages =	 {70--84},
}

@InProceedings{HulGreSchGauSchPed96a,
  author = 	 {Hull, David A. and Grefenstette, Gregory and Schulze, B. Maximilian and Gaussier, Eric and Sch\"utze, Hinrich and Pedersen, Jan O.},
  title = 	 {Xerox {TREC}-5 Site Report: Routing, Filtering, {NLP}, and {S}panish Tracks},
  booktitle = 	 {NIST Special Publication 500-238: The Fifth Text REtrieval Conference (TREC-5)},
  pages =	 {167--180},
  year =	 {1997},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@InProceedings{Jac99a,
  author = 	 {Jacquemin, Christian},
  title = 	 {Syntagmatic and Paradigmatic Representations of Term Variation},
  booktitle = 	 {37th Annual Meeting of the Association for Computational Linguistics (ACL'99), Proceedings},
  pages =	 {341--348},
  year =	 {1999},
  address =	 {Maryland, pages},
}




@Book{Jac2001a,
  author =	 {Jacquemin, Christian},
  title =	 {Spotting and Discovering Terms through Natural
                  Language Processsing},
  publisher =	 {The MIT Press},
  year =	 {2001},
  address =	 {Cambridge, Massachusetts, USA},
}

@InCollection{JacTzo99a,
  author =	 "Jacquemin, Christian and Tzoukermann, Evelyne",
  title =	 "{NLP} for term variant extraction: synergy between
                  morphology, lexicon and syntax",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "25--74",
  address =	 "Dordrecht/Boston/London",
}

@InProceedings{JiaTanJiaMul2001a,
  author =	 {Jianfeng, Zhang and Tan, Tele and Jiankang, Wu and
                  Mulhem, Philippe},
  title =	 {Multiple Indexing and Retrieval of Still Image
                  Chinese Speech Annotations},
  booktitle =	 {Proc. of ICCC 2001, International Conference on
                  Chinese Computing},
  pages =	 {180--187},
  year =	 {2001},
  address =	 {Singapore},
  month =	 Nov,
}

@InProceedings{JinCro94a,
  author =	 "Jing, Yufeng and Croft, W. Bruce",
  title =	 "An Association Thesaurus for Information Retrieval",
  pages =	 "146--160",
  booktitle =	 "Proc. of RIAO'94",
  year =	 "1994",
  address =	 "New York, USA",
}

@InProceedings{JohJouSpaWoo99a,
  author =	 {Johnson, S. E. and Jourlin, P. and Sp\"ark Jones,
                  K. and Woodland, P. C.},
  title =	 "Spoken Document Retrieval for {TREC}-8 at
                  {C}ambridge {U}niversity",
  pages =	 "197--206",
  booktitle =	 "NIST Special Publication 500-246: The Eighth Text
                  REtrieval Conference (TREC 8)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "2000",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}




@InProceedings{KatLin2000a,
  author =	 "Katz, Boris and Lin, Jimmy",
  title =	 "{REXTOR}: A System for Generating Relations from Natural Language",
  editor =	 "Klavans, J. and Gonzalo, J.",
  OPTpages =	 "",
  booktitle =	 "Proc. of the ACL'2000 workshop on Recent Advances in
                  Natural Language Processing and Information
                  Retrieval",
  year =	 "2000",
  address =	 "Hong Kong",
  month =	 Oct,
}

@InProceedings{KelSme97a,
  author = 	 {Kelledy, Fergus and Smeaton, Allan F.},
  title = 	 {{TREC}-5 Experiments at {D}ublin {C}ity {U}niversity: Query Space reduction, {S}panish \& Character Shape Encoding},
  booktitle = 	 {NIST Special Publication 500-238: The Fifth Text REtrieval Conference (TREC-5)},
  pages =	 {197--207},
  year =	 {1997},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@Article{KhaKho2004a,
  author = 	 {Khan, M. Shamim and Khor, Sebastian},
  title = 	 {Enhanced Web Document retrieval Using Automatic Query Expansion},
  journal = 	 {Journal of the American Society for Information Science and Technology},
  year = 	 {2004},
  volume =	 {55},
  number =	 {1},
  pages =	 {29--40},
}



@InCollection{Kos2004a,
  author = 	 {Koster, Cornelis H.A.},
  title = 	 {Head/Modifier Frames for Information Retrieval},
  booktitle = 	 {Computational Linguistics and Intelligent Text Processing},
  pages =	 {420--432},
  publisher =	 {Springer-Verlag},
  year =	 {2004},
  editor =	 {Alexander Gelbukh},
  volume =	 {2945},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}

@Book{KowMay2000a,
  author =	 {Kowalsky, Gerald J. and Maybury, Mark T.},
  title =	 {Information Storage and Retrieval Systems: Theory
                  and Implementation},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  volume =	 {8},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  address =	 {Boston / Dordrecht / London},
  edition =	 {Second},
}

@TechReport{KraPoh96a,
  author =	 "Kraaij, Wessel and Pohlmann, Ren\'ee",
  title =	 "Using Linguistic Knowledge in Information Retrieval",
  institution =	 "Research Institute for Language and Speech (OTS),
                  Utrecht University",
  year =	 "1996",
  type =	 "OTS Working Paper",
  number =	 "OTS-WP-CL-96-001",
  address =	 "Utrecht, The Netherlands",
}

@InProceedings{KraPoh96b,
  author =	 "Kraaij, Wessel and Pohlmann, Ren\'ee",
  title =	 "Viewing Stemming as Recall Enhancement",
  editor =	 "Frei, Hans-Peter and Harman, Donna and Schauble,
                  Peter and Wilkinson, Ross",
  pages =	 "40--48",
  booktitle =	 "Proc. of the 19th annual international ACM SIGIR
                  conference on Research and Development in
                  Information Retrieval",
  year =	 "1996",
  address =	 "Zurich, Switzerland",
}

@InCollection{KraPoh98a,
  author =	 "Kraaij, Wessel and Pohlmann, Ren\'ee",
  title =	 "Comparing the Effect of Syntactic vs. Statistical
                  Phrase Indexing Strategies for {D}utch",
  editor =	 "Nicolaou, Christos and Stephanidis, Constantine",
  volume =	 "1513",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "605--614",
  booktitle =	 "Research and Advanced Technology for Digital
                  Libraries",
  year =	 "1998",
  publisher =	 "Springer-Verlag",
  address =	 "Berlin/Heidelberg/New York",
}

@InProceedings{KraPohHie99a,
  author =	 "Kraaij, Wessel and Pohlmann, Ren\'ee and Hiemstra,
                  Djoerd",
  title =	 "{T}wenty-{O}ne at {TREC-8}: using Language
                  technology for Information Retrieval",
  pages =	 "285--299",
  booktitle =	 "NIST Special Publication 500-246: The Eighth Text
                  REtrieval Conference (TREC 8)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "2000",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}



@InProceedings{Kro93a,
  author = 	 {Krovetz, Robert},
  title = 	 {Viewing Morphology as an Inference Process},
  booktitle = 	 {Proc. of the 16th Annual International ACM SIGIR Conference on Research and Development in Information Retieval},
  pages =	 {191--202},
  year =	 {1993},
  address =	 {Pittsburgh, Pennsylvania, USA},
}


@InProceedings{KreMof99a,
  author =	 {de Kretser, Owen and Moffat, Alistair},
  title =	 {Effective Document Presentation with a
                  Locality-Based Similarity Heuristic},
  booktitle =	 {Proc. of the 22nd annual international ACM SIGIR
                  conference on Research and Development in
                  Information Retrieval},
  pages =	 {113--120},
  year =	 {1999},
  address =	 {Berkley, California, USA},
  publisher =	 {ACM Press, New York},
}

@InProceedings{KwaKimLeeSeo2000a,
  author =	 "Kwak, Byung-Kwan and Kim, Jee-Hyub and Lee, Geunbae
                  and Seo, Jung Yun",
  title =	 "Corpus-based learning of compound noun indexing",
  editor =	 "Klavans, J. and Gonzalo, J.",
  OPTpages =	 "",
  booktitle =	 "Proc. of the ACL'2000 workshop on Recent Advances in
                  Natural Language Processing and Information
                  Retrieval",
  year =	 "2000",
  address =	 "Hong Kong",
  month =	 Oct,
}

@Article{LewSpa96a,
  author =	 "Lewis, David D. and Sparck-Jones, Karen",
  title =	 "Natural Language Processing for Information
                  Retrieval",
  journal =	 "Communications of the ACM",
  year =	 "1996",
  volume =	 "39",
  number =	 "1",
  pages =	 "92--101",
}

@PhdThesis{Llo2003a,
  author =	 {Llopis, Fernando},
  title =	 {{IR-n}: Un sistema de Recuperaci\'on de
                  Informaci\'on basado en Pasajes},
  school =	 {Universidad de Alicante},
  year =	 {2003},
  address =	 {Alicante, Spain},
  month =	 {May},
}


@InProceedings{LopRou2002a,
  author = 	 {Lopez, Patrice and Roussel, David},
  title = 	 "Exploiting Semantic Knowledge in {LTAG}-based controlled indexing of technical data",
  pages =	 "279--284",
  booktitle =	 "TAG+6, Proceedings of the Sixth International
		  Workshop on Tree Adjoining Grammars and Related Frameworks",
  year =	 "2002",
  address =	 "Venice, Italy",
  month =	 May,
}


@Book{Los98a,
  author =	 {Losee, Robert M.},
  title =	 {Text Retrieval and Filtering: Analytics Models of
                  Performance},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {1998},
  volume =	 {3},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  address =	 {Boston / Dordrecht / London},
}



@Article{Los2001a,
  author = 	 {Losee, Robert M.},
  title = 	 {Natural language processing in support of decision-making: phrases anf part-of-speech tagging},
  journal = 	 {Information Processing and Management},
  year = 	 {2001},
  volume =	 {37},
  pages =	 {769--787},
}

@InCollection{LuMck2000a,
  author = 	 {Lu, Zhihong and McKinley, Kathryn S.},
  title = 	 {The effect of collection organization and query locality on information retrieval system performance},
  booktitle = 	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {173--202},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {7},
  address =	 {Boston / Dordrecht / London},
}



@InProceedings{MagPre2000a,
  author = 	 {Magnini, Bernardo and Prevete, Roberto},
  title = 	 {Exploiting Lexical Expansions and Boolean Compositions for Web Querying},
  booktitle = 	 {Proc. of ACL'2000 Workshop on Recent Advances in Natural Language Processing and Information Retrieval},
  OPTpages = 	 {},
  year =	 {2000},
  address =	 {Hong Kong},
  month =	 Oct,
}

@Book{Man2001a,
  author =	 {Mani, Inderjeet},
  title =	 {Automatic Summarization},
  publisher =	 {John Benjamins Publishing Company},
  year =	 {2001},
  volume =	 {3},
  OPTnumber =	 {3},
  series =	 {Natural Language Processing},
  address =	 {Amsterdam/Philadelphia},
}

@Book{May97a,
  title =	 "Intelligent Multimedia Information Retrieval",
  publisher =	 "The MIT Press",
  year =	 "1997",
  editor =	 "Maybury, Mark T.",
  address =	 "Cambridge, Massachusetts",
}

@InProceedings{Mei2002a,
  author =	 {Meier, Wolfgang},
  title =	 {{eXist}: An Open Source Native {XML} Database},
  booktitle =	 {Proc. of 2nd Annual International Workshop on Web
                  and Databases, NetObjectDays 2002},
  year =	 {2002},
  address =	 {Erfurt, Germany},
}

@InProceedings{MihMol200a,
  author =	 "Mihalcea, Rada and Moldovan, Dan",
  title =	 "Semantic Indexing using {W}ord{N}et Senses",
  editor =	 "Klavans, J. and Gonzalo, J.",
  OPTpages =	 "",
  booktitle =	 "Proc. of the ACL'2000 workshop on Recent Advances in
                  Natural Language Processing and Information
                  Retrieval",
  year =	 "2000",
  address =	 "Hong Kong",
  month =	 Oct,
}


@InProceedings{MitBucSinCar97a,
  author =	 "Mitra, Mandar and Buckley, Chris and Singhal, Amit and Cardie, Claire",
  title =	 "An Analysis of Statistical and Syntactic Phrases",
  editor =	 "Devroye, L. and Chrisment, C.",
  pages =	 "200-214",
  booktitle =	 "Proc. of Computer-Aided Information Searching on the
                  Internet (RIAO'97)",
  year =	 "1997",
  address =	 "Montreal, Canada",
}


@InProceedings{MitWin2001a,
  author =	 "Mittendorfer, Markus and Winiwarter, Werner",
  title =	 "A Simple Way of Improving Traditional {IR} Methods
                  by Structuring Queries",
  OPTpages =	 "",
  booktitle =	 "Proc. of the 2001 IEEE International Workshop on
                  Natural Language Processing and Knowledge
                  Engineering",
  year =	 "2001",
  address =	 "Tucson, Arizona",
  month =	 Oct,
  OPTnote =	 "",
  OPTannote =	 ""
}

@Article{MitWin2002a,
  author =	 "Mittendorfer, Markus and Winiwarter, Werner",
  title =	 "Exploiting Syntactic Analysis of Queries for
                  Information Retrieval",
  journal =	 "Data \& Knowledge Engineering",
  year =	 "2002",
  OPTvolume =	 "",
  OPTnumber =	 "",
  OPTpages =	 "",
  OPTmonth =	 "",
}


@Article{Miz98a,
  author = 	 {Mizzaro, Stefano},
  title = 	 {How many relevances in information retrieval?},
  journal = 	 {Interacting with Computers},
  year = 	 {1998},
  volume =	 {10},
  number =	 {3},
  pages =	 {305--322},
}

@Book{Moe2000a,
  author =	 {Moens, Marie-Francine},
  title =	 {Automatic Indexing and Abstracting of Document
                  Texts},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  volume =	 {6},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  address =	 {Boston/Dordrecht/London},
}

@PhdThesis{Mon2003a,
  author =	 {Monta\~n\'es Roces, Elena},
  title =	 {Nuevas t\'ecnicas de selecci\'on de t\'erminos en la
                  clasificaci\'on documental},
  school =	 {Departamento de Inform\'atica, Universidad de
                  Oviedo},
  year =	 {2003},
  address =	 {Gij\'on, Spain},
}




@InCollection{MonLopGel2000a,
  author = 	 {{Montes-y-G\'omez}, Manuel and L\'opez-L\'opez, Aurelio and Gelbukh, Alexander},
  title = 	 {Information Retrieval with Conceptual Graph Matching},
  booktitle = 	 {Database and Expert Systems Applications},
  pages =	 {312--321},
  publisher =	 {Springer-Verlag},
  year =	 {2000},
  editor =	 {M. Ibrahim and  J. K\"ung and N. Revell},
  volume =	 {1873},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin/Heidelberg/New York},
}

@InProceedings{MorJac99a,
  author = 	 {Morin, Emmanuel and Jacquemin, Christian},
  title = 	 {Projecting Corpus-Based Semantic Links on a Thesaurus},
  booktitle = 	 {37th Annual Meeting of the Association for Computational Linguistics (ACL'99), Proceedings},
  pages =	 {389--396},
  year =	 {1999},
  address =	 {Maryland, pages},
}

@InProceedings{NarOga2000a,
  author = 	 {Narita, Masumi and Ogawa, Yasushi},
  title = 	 {The Use of Phrases from Query Texts in Information Retrieval},
  booktitle = 	 {Proc. of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
  pages =	 {318--320},
  year =	 {2000},
  address =	 {Athens, Greece},
}


@Article{MukMao2004a,
  author = 	 {Mukherjee, Rajat and Mao, Jianchang},
  title = 	 {Enterprise Search: Tough Stuff},
  journal = 	 {ACM Queue},
  year = 	 {2004},
  volume =	 {2},
  number =	 {2},
  pages =	 {36--46},
  month =	 Apr,
}

@InProceedings{OgaManNarHon99a,
  author = 	 {Ogawa, Yasushi and Mano, Hiroko and Narita, Masumi and Honma, Sakiko},
  title = 	 {Structuring and expanding queries in the probabilistic model},
  booktitle = 	 {NIST Special Publication 500-246: The Eighth Text REtrieval Conference (TREC-8)},
  pages =	 {541--548},
  year =	 {2000},
  editor =	 {Voorhees, E. M.  and Harman, D. K.},
  address =	 {Gaithersburg, MD, USA},
  publisher =	 {Department of Commerce, National Institute of Standards and Technology  },
}

@InProceedings{OgaManNarHon2001a,
  author = 	 {Ogawa, Yasushi and Mano, Hiroko and Narita, Masumi and Sakiko, Honma},
  title = 	 {Structuring and expanding queries in the probabilistic model},
  booktitle = 	 {NIST Special Publication 500-249: The Ninth Text REtrieval Conference (TREC-9)},
  pages =	 {427--435},
  year =	 {2001},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}





@Misc{PagBriMotWin98a,
  author =	 {Page, Lawrence and Brin, Sergey and Motwani, Rajeev and Winograd, Terry},
  title =	 {The {P}age{R}ank Citation Ranking: Bringing Order to the Web},
  howpublished = {Stanford Digital Libraries Working Paper},
  month =	 Jan,
  year =	 {1998},
}



@InProceedings{Pai94a,
  author = 	 {Paice, Chris D.},
  title = 	 {An Evaluation Method for Stemming Algorithms},
  booktitle = 	 {Proc. of the 17th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
  pages =	 {42--50},
  year =	 {1994},
  address =	 {Dublin, Ireland},
}

@InCollection{PapAll2000a,
  author =	 {Papka, Ron and Allan, James},
  title =	 {Topic detection and tracking: event clustering as a
                  basis for first story undestanding},
  booktitle =	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {97--126},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {4},
  address =	 {Boston/Dordrecht/London},
}

@Article{Pat2004a,
  author = 	 {Patterson, Anna},
  title = 	 {Why writing your own Search Engine is hard},
  journal = 	 {ACM Queue},
  year = 	 {2004},
  volume =	 {2},
  number =	 {2},
  pages =	 {48--53},
  month =	 Apr,
}


@Article{PenGonVer2002a,
  author =	 {Pe\~nas, Anselmo and Gonzalo, Julio and Verdejo,
                  Felisa},
  title =	 {Distinci\'on sem\'antica de compuestos l\'exicos en
                  Recuperaci\'on de Informaci\'on},
  journal =	 {Procesamiento del Lenguaje Natural},
  year =	 {2002},
  volume =	 {29},
  pages =	 {257--264},
  month =	 Sep,
}

@Article{PerStr2000a,
  author =	 "Perez-Carballo, Jose and Strzalkowski, Tomek",
  title =	 "Natural language information retrieval: progress
                  report",
  journal =	 "Information Processing and Management",
  year =	 "2000",
  volume =	 "36",
  number =	 "1",
  pages =	 "155--178",
}

@Proceedings{Pet2001a,
  title =	 "Results of the CLEF 2001 Cross-Language System
                  Evaluation Campaign. Working Notes for the CLEF 2001
                  Workshop",
  year =	 "2001",
  editor =	 "Peters, Carol",
  address =	 "Darmstadt, Germany",
  month =	 Sep,
}

@Proceedings{Pet2002a,
  title =	 {Results of the CLEF 2002 Cross-Language System
                  Evaluation Campaign, Working Notes for the CLEF 2002
                  Workshop},
  year =	 {2002},
  editor =	 {Peters, Carol},
  address =	 {Rome, Italy},
  month =	 Sep,
}

@Book{PetBraGonKlu2002a,
  editor =	 {Peters, Carol and Braschler, Martin and Gonzalo,
                  Julio and Kluck, Michael},
  title =	 {Evaluation of Cross-Language Information Retrieval
                  Systems},
  publisher =	 {Springer-Verlag},
  year =	 {2002},
  volume =	 {2406},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}

@InCollection{PetShe2000a,
  author =	 "Peters, Carol and Sheridan, P\'araic",
  title =	 "Multilingual Information Access",
  booktitle =	 "Lectures on Information Retrieval",
  publisher =	 "Springer-Verlag",
  year =	 "2000",
  editor =	 "Agosti, M and Crestani, F. and Pasi, G.",
  volume =	 "1980",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "51--80",
  address =	 "Berlin-Heidelberg-New York",
}

@Article{PfePoeFuh96a,
  author =	 "Pfeifer, Ulrich and Poersch, Thomas and Fuhr,
                  Norbert",
  title =	 "Retrieval Effectiveness of Proper Name Search
                  Methods",
  journal =	 "Information Processing and Management",
  year =	 "1996",
  volume =	 "32",
  number =	 "6",
  pages =	 "667--679",
}

@InProceedings{PolKra97a,
  author =	 "Pohlmann, Ren\'ee and Kraaij, Wessel",
  title =	 "Improving the Precision of a Text Retrieval System
                  with Compound Analysis",
  editor =	 "Landsbergen, Jan and Odijk, Jan and van Deemter,
                  Kees and van Zanten, Gert Velhuijzen",
  pages =	 "115--129",
  booktitle =	 "Papers from the Seventh CLIN Meeting",
  year =	 "1997",
  address =	 "Eindhoven, The Netherlands",
}

@InProceedings{PolKra97b,
  author =	 "Pohlmann, Ren\'ee and Kraaij, Wessel",
  title =	 "The Effect of Syntactic Phrase Indexing on Retrieval
                  Performance for {D}utch Texts",
  editor =	 "Devroye, L. and Chrisment, C.",
  pages =	 "176--187",
  booktitle =	 "Proc. of Computer-Aided Information Searching on the
                  Internet (RIAO'97)",
  year =	 "1997",
  address =	 "Montreal, Canada",
}

@InCollection{Pon2000a,
  author =	 {Ponte, Jay M.},
  title =	 {Language models for relevance feedback},
  booktitle =	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {73--95},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {3},
  address =	 {Boston/Dordrecht/London},
}

@Book{Rij79a,
  author =	 "van Rijsbergen, C. J.",
  title =	 "Information Retrieval",
  publisher =	 "Butterworths",
  year =	 "1979",
  address =	 "London",
}

@InCollection{Rij2000a,
  author =	 "van Rijsbergen, C. J.",
  title =	 "Getting into Information Retrieval",
  booktitle =	 "Lectures on Information Retrieval",
  publisher =	 "Springer-Verlag",
  year =	 "2000",
  editor =	 "Agosti, M and Crestani, F. and Pasi, G.",
  volume =	 "1980",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "1--20",
  address =	 "Berlin-Heidelberg-New York",
}

@InCollection{Rob2000a,
  author =	 "Robertson, Stephen",
  title =	 "Evaluation in Information Retrieval",
  booktitle =	 "Lectures on Information Retrieval",
  publisher =	 "Springer-Verlag",
  year =	 "2000",
  editor =	 "Agosti, M and Crestani, F. and Pasi, G.",
  volume =	 "1980",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "81--92",
  address =	 "Berlin-Heidelberg-New York",
}

@InProceedings{RobWal99a,
  author =	 "Robertson, S. E. and Walker, S.",
  title =	 "Okapi/{K}eenbow at {TREC}-8",
  pages =	 "151--162",
  booktitle =	 "NIST Special Publication 500-246: The Eighth Text
                  REtrieval Conference (TREC 8)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "2000",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@Article{RobWal2000a,
  author =	 {Robertson, Stephen and Walker, Stephen},
  title =	 {Threshold setting in adaptive filtering},
  journal =	 {Journal of Documentation},
  year =	 {2000},
  volume =	 {56},
  number =	 {3},
  pages =	 {312--331},
  month =	 May,
}

@InProceedings{RobWalJonHan94a,
  author =	 {Robertson, S. E. and Walker, S. and Jones, S. and
                  Hancock-Beaulieu, M. M.},
  title =	 {Okapi at {TREC}-3},
  booktitle =	 {IST Special Publication 500-225: Overview of the
                  Third Text REtrieval Conference (TREC 3)},
  pages =	 {109--126},
  year =	 {1995},
  editor =	 {Harman, D. K.},
  address =	 {Gaithersburg, MD, USA},
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}



@Misc{Rog2002a,
  author =	 {Rogers, Ian},
  title =	 {Pagerank explained. The {G}oogle {P}agerank Algorithm and How It Works},
  howpublished = {\texttt{http://www.iprcom.com/papers/pagerank/}},
  OPTmonth = 	 {},
  OPTyear = 	 {},
  note =	 {Version: 16th May 2002},
  OPTannote = 	 {}
}

@Misc{Rog2002b,
  author =	 {Rogers, Ian},
  title =	 {Altered Pagerank Equation. The Implementation of an equation can sometimes change it in not-so-subtle ways},
  howpublished = {\texttt{http://www.iprcom.com/papers/pagerank/altered\_equation.html}},
  OPTmonth = 	 {},
  OPTyear = 	 {},
  note =	 {Version: 16th May 2002},
  OPTannote = 	 {}
}


@InCollection{Rug99a,
  author =	 "Ruge, Gerda",
  title =	 "Combining Corpus Linguistics and Human Memory Models
                  For Automatic Term Association",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "75--98",
  address =	 "Dordrecht/Boston/London",
}




@InProceedings{SalSmi89a,
  author = 	 {Salton, Gerard and Smith, Maria},
  title = 	 {On the Application of Syntactic Methodologies in Automatic text Analysis},
  booktitle = 	 {Proc. of the 12th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval},
  pages =	 {137--150},
  year =	 {1989},
  address =	 {Cambridge, Massachusetts, USA},
}

@InCollection{SanLaw2000a,
  author = 	 {Sanderson, Mark and Lawrie, Dawn},
  title = 	 {Building, testing, and applying concept hierarchies},
  booktitle = 	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {235--266},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {9},
  address =	 {Dordrecht/Boston/London},
}



@Article{Sav93a,
  author = 	 {Savoy, Jacques},
  title = 	 {Stemming of {F}rench Words based on Grammatical Categories},
  journal = 	 {JASIS: Journal of the American Society for Information Sciences},
  year = 	 {1993},
  volume =	 {44},
  number =	 {1},
  pages =	 {1--9},
}

@InProceedings{SevAliSoc2003a,
  author =	 {Sevillano, Xavier and Al\'{\i}as, Francesc and
                  Socor\'o, Joan Claudi},
  title =	 {Extracci\'on de t\'opicos independientes para la
                  clasificaci\'on de textos},
  booktitle =	 {Actas del XVIII Simposium Nacional de la Uni\'on
                  Cient\'{\i}fica de Radio (URSI'2003)},
  OPTpages =	 {},
  year =	 {2003},
  address =	 {La Coru\~na, Spain},
  month =	 Sep,
}

@InProceedings{SinBucMit96a,
  author =	 {Singhal, Amit and Buckley, Chris and Mitra, Mandar},
  title =	 {Pivoted Document Length Normalization},
  booktitle =	 {Proc. of the 19th Annual International ACM SIGIR
                  Conference on Research and Development in
                  Information Retrieval},
  pages =	 {21--29},
  year =	 {1996},
  OPTeditor =	 {},
  address =	 {Zurich, Switzerland},
  month =	 Aug,
  OPTorganization ={ACM},
  publisher =	 {ACM Press},
}

@InCollection{Sme99a,
  author =	 "Smeaton, Alan F.",
  title =	 "Using {NLP} or {NLP} Resources for Information
                  Retrieval Tasks",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "99--111",
  address =	 "Dordrecht/Boston/London",
}

@InProceedings{SmeDonKel94a,
  author = 	 {Smeaton, Alan F. and O'Donnel, Ruairi and Kelledy, Fergus },
  title = 	 {Indexing Structures Derived from Syntax in {TREC}-3: System Description},
  booktitle = 	 {NIST Special Publication 500-225: Overview of the Third Text REtrieval Conference (TREC-3) },
  pages =	 {55--68},
  year =	 {1995},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@InProceedings{SmeKelDon95a,
  author =	 "Smeaton, Alan F. and Kelledy, Fergus and O'Donnel,
                  Ruairi",
  title =	 "{TREC}-4 Experiments at {D}ublin {C}ity
                  {U}niversity: Thresholding Posting Lists, Query
                  Expansion with {W}ord{N}et and {POS} Tagging of
                  {S}panish",
  pages =	 "373--390",
  booktitle =	 "NIST Special Publication 500-236: The Fourth Text
                  REtrieval Conference (TREC 4)",
  year =	 "1996",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{SmeWil97a,
  author =	 "Smeaton, Alan F. and Wilkinson, Ross",
  title =	 "Spanish and {C}hinese Document Retrieval in {TREC-5}",
  pages =	 "57--64",
  booktitle =	 "NIST Special Publication 500-238: The Fifth Text
                  REtrieval Conference (TREC 5)",
  year =	 "1997",
  address =	 "Gaithersburg, MD, USA",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@InCollection{Spa99a,
  author =	 "Sparck-Jones, Karen",
  title =	 "What is the role of {NLP} in text retrieval?",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "1--24",
  address =	 "Dordrecht/Boston/London",
}

@Book{SpaWil97a,
  editor =	 {Sparck-Jones, Karen and Willett, Peter},
  title =	 {Readings in Information Retrieval},
  publisher =	 {Morgan Kaufmann Publishers, Inc.},
  year =	 {1997},
  address =	 {San Francisco, California, USA},
}

@InProceedings{Str93a,
  author = 	 {Strzalkowski, Tomek},
  title = 	 {Natural Language Processing in Large-Scale Text Retrieval Tasks},
  booktitle = 	 {NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1)},
  pages =	 {173--187},
  year =	 {1993},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@Book{Str99a,
  title =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  address =	 "Dordrecht/Boston/London",
  ISBN =	 "0-7923-5685-3"
}


@InProceedings{StrGutKarLeiLinPerStrWanEil96a,
  author =	 "Strzalkowski, Tomek and Guthrie, Louise and
                  Karlgren, Jussi and Leistensnider, Jim and Lin, Fang
                  and Perez-Carballo, Jose and Straszheim, Troy and
                  Wang, Jin and Wilding, Jon",
  title =	 "Natural Language Information Retrieval: {TREC-5}
                  Report",
  pages =	 "291--313",
  booktitle =	 "NIST Special Publication 500-238: The Fifth Text
                  REtrieval Conference (TREC 5)",
  year =	 "1997",
  address =	 "Gaithersburg, MD, USA",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{StrLinPer98a,
  author = 	 {Strzalkowski, Tomek and Lin, Fang and Perez-Carballo, Jose},
  title = 	 {Natural Language Information Retrieval: {TREC}-6 Report},
  booktitle = 	 {NIST Special Publication 500-240: The Sixth Text REtrieval Conference (TREC-6)},
  pages =	 {347--366},
  year =	 {1998},
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{StrPer94a,
  author = 	 {Strzalkowski, Tomek and Perez-Carballo, Jose},
  title = 	 {Recents Developments in Natural Language Text Retrieval},
  booktitle = 	 {NIST Special Publication 500-215: The Second Text REtrieval Conference (TREC-2)},
  pages =	 {123--136},
  year =	 {1994},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{StrPer95a,
  author = 	 {Strzalkowski, Tomek and Perez-Carballo, Jose},
  title = 	 {Natural Language Information Retrieval: {TREC}-3 Report},
  booktitle = 	 {NIST Special Publication 500-225: Overview of the Third Text REtrieval Conference (TREC-3) },
  pages =	 {39--53},
  year =	 {1995},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{StrPer96a,
  author = 	 {Strzalkowski, Tomek and Perez-Carballo, Jose},
  title = 	 {Natural Language Information Retrieval: {TREC}-4 Report},
  booktitle = 	 {NIST Special Publication 500-236: The Fourth Text REtrieval Conference (TREC-4)},
  pages =	 {245--258},
  year =	 {1996},
  editor =	 {Harman, D. K.},
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InCollection{StrPer99a,
  author =	 "Strzalkowski, Tomek and Perez-Carballo, Jose",
  title =	 "Evaluating Natural Language Processing Tecniques in
                  Information Retrieval",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "113--145",
  address =	 "Dordrecht/Boston/London",
}

@InProceedings{StrPerKarHulTapLah99a,
  author =	 "Strzalkowski, Tomek and Perez-Carballo, Jose and
                  Karlgren, Jussi and Hulth, Anette and Tapanainen,
                  Pasi and Lahtinen, Timo",
  title =	 "Natural Language Information Retrieval: {TREC-8}
                  Report",
  pages =	 "381--390",
  booktitle =	 "NIST Special Publication 500-246: The Eighth Text
                  REtrieval Conference (TREC 8)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "2000",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InProceedings{StrSpa97a,
  author =	 "Strzalkowski, Tomek and Sparck-Jones, Karen",
  title =	 "{NLP} Track at {TREC}-5",
  pages =	 "97--100",
  booktitle =	 "NIST Special Publication 500-238: The Fifth Text
                  REtrieval Conference (TREC 5)",
  year =	 "1997",
  address =	 "Gaithersburg, MD, USA",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}


@InProceedings{StrSteWisPerTapJarVouKar98a,
  author =	 "Strzalkowski, Tomek and Stein, Gees and Wise,
                  G. Bowden and Perez-Carballo, Jose and Tapanainen,
                  Pasi and Jarvinen, Timo and Voutilainen, Atro and
                  Karlgren, Jussi",
  title =	 "Natural Language Information Retrieval: {TREC-7}
                  Report",
  pages =	 "217--226",
  booktitle =	 "NIST Special Publication 500-242: The Seventh Text
                  REtrieval Conference (TREC 7)",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  year =	 "1999",
  address =	 "Gaithersburg, MD, USA",
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}

@InCollection{ThoDoz99a,
  author =	 "Thompson, Paul and Dozier, Christopher C.",
  title =	 "Name Recognition and Retrieval Performance",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "261--272",
  address =	 "Dordrecht/Boston/London",
}


@InProceedings{TurPopTooFasNicTis2000a,
  author = 	 {Turcato, Davide and Popowich, Fred and Toole, Janine and Fass, Dan and Nicholson, Devlan and Tisher, Gordon},
  title = 	 {Adapting a synonym database to specific domains},
  booktitle = 	 {Proc. of ACL'2000 Workshop on Recent Advances in Natural Language Processing and Information Retrieval},
  OPTpages = 	 {},
  year =	 {2000},
  address =	 {Hong Kong},
  month =	 Oct,
}


@Book{Ure2002a,
  author =	 {Ure\~na L\'opez, L. Alfonso},
  title =	 {Resoluci\'on de la ambig\"uedad l\'exica en tareas
                  de clasificaci\'on autom\'atica de documentos},
  publisher =	 {Editorial Club Universitario},
  year =	 {2002},
  volume =	 {1},
  series =	 {Colecci\'on de Monograf\'{\i}as de la Sociedad
                  Espa\~nola para el Procesamiento del Lenguaje
                  Natural (SEPLN)},
  address =	 {Alicante, Spain},
}




@Article{VilAlo2003a,
  author = 	 {Vilares, Jes\'us and Alonso, Miguel A.},
  title = 	 {Un enfoque gramatical para la extracci\'on de t\'erminos \'{\i}ndice},
  journal = 	 {Procesamiento del Lenguaje Natural},
  year = 	 {2003},
  volume =	 {31},
  pages =	 {243-250},
}



@InProceedings{VilAlo2003b,
  author = 	 {Vilares, Jes\'us and Alonso, Miguel A.},
  title = 	 {Extracci\'on de t\'erminos \'{\i}ndice mediante cascadas de expresiones regulares},
  booktitle = 	 {Actas de las  II Jornadas de Tratamiento y Recuperaci\'on de Informaci\'on (JOTRI 2003)},
  pages =	 {204-211},
  year =	 {2003},
  address =	 {Lega\'es (Madrid)},
  month =	 Sep,
}

@InProceedings{VilAlo2003c,
  author = 	 {Vilares, Jes\'us and Alonso, Miguel A.},
  title = 	 {A Grammatical Approach to the Extraction of Index Terms},
  booktitle = 	 {International Conference on Recent Advances in Natural Language Processing, Proceedings},
  pages =	 {500--504},
  year =	 {2003},
  editor =	 {Galia Angelova and Kalina Bontcheva and Ruslan Mitkov and Nicolas Nicolov and Nikolai Nikolov},
  address =	 {Borovets, Bulgaria},
  month =	 Sep,
}



@InCollection{VilAlo2004a,
  author = 	 {Vilares, Jes\'us and Alonso, Miguel A.},
  title = 	 {Dealing with syntactic variation through a locality-based approach},
  booktitle = 	 { String Processing and Information Retrieval},
  pages =	 {255-266},
  publisher =	 {Springer-Verlag},
  year =	 {2004},
  editor =	 {Alberto Apostolico and Massimo Melucci},
  volume =	 {3246},
  series =	 { Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}

@InProceedings{VilAloRib2003a,
  author = 	 {Vilares, Jes\'us and Alonso, Miguel
                  A. and Ribadas, Francisco J.},
  title = 	 {{COLE} experiments at {CLEF} 2003 {S}panish monolingual track},
  booktitle = 	 {Results of the CLEF 2003 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2003 Workshop},
  pages =	 {197-206},
  year =	 {2003},
  editor =	 {Carol Peters and Francesca Borri},
  address =	 {Trondheim, Norway},
  month =	 Sep,
}

@InProceedings{VilAloRibVil2002a,
  author =	 {Vilares, Jes\'us and Alonso, Miguel
                  A. and Ribadas, Francisco J. and Vilares,
                  Manuel},
  title =	 {{COLE} experiments at {CLEF} 2002 {S}panish
                  monolingual track},
  booktitle =	 {Results of the CLEF 2002 Cross-Language System
                  Evaluation Campaign, Working Notes for the CLEF 2002
                  Workshop},
  pages =	 {153--160},
  year =	 {2002},
  editor =	 {Peters, Carol},
  address =	 {Rome, Italy},
  month =	 Sep,
}

@InCollection{VilAloRibVil2003a,
  author =	 {Vilares, Jes\'us and Alonso, Miguel
                  A. and Ribadas, Francisco J. and Vilares,
                  Manuel},
  title =	 {{COLE} experiments at {CLEF} 2002 {S}panish
                  monolingual track},
  booktitle =	 {Cross-Language Information Retrieval and Evaluation},
  pages =	 {265-278},
  publisher =	 {Springer-Verlag},
  year =	 {2003},
  editor =	 {Carol Peters and Martin Braschler and Julio Gonzalo and Martin Kluck},
  volume =	 {2785},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}



@InCollection{VilAloVil2004a,
  author = 	 {Vilares, Jes\'us and Alonso, Miguel
                  A. and Vilares,
                  Manuel},
  title = 	 {Morphological and syntactic processing for Text Retrieval},
  booktitle = 	 { Database and Expert Systems Applications},
  pages =	 {371-380},
  publisher =	 {Springer-Verlag},
  year =	 {2004},
  editor =	 {Fernando Galindo and Makoto Takizawa and Roland Traunm\"{u}ller},
  volume =	 {3180},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}

@Article{VilBarAlo2001a,
  author =	 "Vilares, Jes\'us and Barcala, {Fco. Mario} and Alonso,
                  Miguel A.",
  title =	 "Normalizaci\'on de t\'erminos multipalabra mediante
                  pares de dependencia sint\'actica",
  journal =	 "Procesamiento del Lenguaje Natural",
  year =	 "2001",
  volume =	 "27",
  pages =	 "123--130",
  month =	 Sep,
  ISSN =	 "1135-5948"
}

@InCollection{VilBarAlo2002a,
  author =	 "Vilares, Jes\'us and Barcala, {Fco. Mario} and Alonso,
                  Miguel A.",
  title =	 "Using syntactic dependency-pairs conflation to
                  improve retrieval performance in {S}panish",
  booktitle =	 " Computational Linguistics and Intelligent Text
                  Processing",
  publisher =	 "Springer-Verlag",
  year =	 "2002",
  editor =	 "Gelbukh, Alexander",
  volume =	 "2276",
  series =	 " Lecture Notes in Computer Science",
  pages =	 "381-390",
  address =	 "Berlin-Heidelberg-New York",
}

@InCollection{VilBarAloGraVil2002a,
  author =	 {Vilares, Jes\'us and Barcala, {Fco. Mario} and Alonso,
                  Miguel A. and Gra\~na, Jorge and Vilares,
                  Manuel},
  title =	 {Practical {NLP}-Based Text Indexing},
  booktitle =	 {Advances in Artificial Intelligence --- IBERAMIA
                  2002},
  pages =	 {635-644},
  publisher =	 {Springer-Verlag},
  year =	 {2002},
  editor =	 {Garijo, Francisco J. and Riquelme, Jos\'e C. and
                  Toro, Miguel},
  volume =	 {2527},
  series =	 {Lecture Notes in Computer Science},
  address =	 {Berlin-Heidelberg-New York},
}

@Article{VilBarFerOte2003a,
  author =	 {Vilares, Jes\'us and Barcala, {Fco. Mario} and Fern\'andez,
                  Santiago and Otero, Juan},
  title =	 {Manejando la variaci\'on morfol\'ogica y l\'exica en
                  la Recuperaci\'on de Informaci\'on Textual},
  journal =	 {Procesamiento del Lenguaje Natural},
  year =	 {2003},
  volume =	 {30},
  pages =	 {99--106},
  month =	 Mar,
}

@InCollection{VilCabAlo2001a,
  author =	 "Vilares, Jes\'us and Cabrero, David
                  and Alonso, Miguel A.",
  title =	 "Applying Productive Derivational Morphology to Term
                  Indexing of {S}panish Texts",
  booktitle =	 "Computational Linguistics and Intelligent Text
                  Processing",
  publisher =	 "Springer-Verlag",
  year =	 "2001",
  editor =	 "Gelbukh, Alexander",
  volume =	 "2004",
  OPTnumber =	 "",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "336--348",
  address =	 "Berlin-Heidelberg-New York",
  ISBN =	 "3-540-41687-0"
}

@Article{VilCabAlo2001b,
  author =	 "Vilares, Jes\'us and Cabrero, David
                  and Alonso, Miguel A.",
  title =	 "Generaci\'on autom\'atica de familias morfol\'ogicas
                  mediante morfolog\'{\i}a derivativa productiva",
  journal =	 "Procesamiento del Lenguaje Natural",
  year =	 "2001",
  volume =	 "27",
  pages =	 "181-188",
  month =	 Sep,
  ISSN =	 "1135-5948"
}

@InCollection{VilVilAlo2001a,
  author =	 "Vilares, Jes\'us and Vilares, Manuel
                  and Alonso, Miguel A.",
  title =	 "Towards the development of heuristics for automatic
                  query expansion",
  booktitle =	 "Database and Expert Systems Applications",
  publisher =	 "Springer-Verlag",
  year =	 "2001",
  editor =	 "Mayr, Heinrich C. and Lazansky, Jiri and Quirchmayr,
                  Gerald and Vogel, Pavel ",
  volume =	 "2113",
  series =	 "Lecture Notes in Computer Science",
  pages =	 "887--896",
  address =	 "Berlin-Heidelberg-New York",
  ISBN =	 "3-540-42527-6"
}



@Article{VogCot99a,
  author = 	 {Vogt, Christopher C. and Cottrell, Garrison W.},
  title = 	 {Fusion Via a Linear Combination of Scores},
  journal = 	 {Information Retrieval},
  year = 	 {1999},
  volume =	 {1},
  number =	 {3},
  pages =	 {151--173},
  month =	 Oct,
}

@InProceedings{Voo94a,
  author =	 "Voorhees, Ellen M.",
  title =	 "Query Expansion Using Lexical-Semantic Relations",
  editor =	 "Croft, W. Bruce and van Rijsbergen, C. J.",
  pages =	 "61--69",
  booktitle =	 "Proceedings of the 17th Annual International
                  ACM-SIGIR Conference on Research and Development in
                  Information Retrieval (SIGIR'94)",
  year =	 "1994",
  organization = "ACM",
  address =	 "Dublin, Ireland",
  month =	 Jul,
}

@InProceedings{Voo98a,
  author =	 {Voorhees, Ellen M.},
  title =	 "Variations in Relevance Judgements and the Measurement of Retrieval Effectiveness",
  pages =	 "315--323",
  booktitle =	 "Proc. of the 21st annual international ACM SIGIR
                  conference on Research and Development in
                  Information Retrieval",
  year =	 "1998",
  address =	 "Melbourne, Australia",
}



@Article{Woo2004a,
  author = 	 {Woods, William A.},
  title = 	 {Searching vs. Finding},
  journal = 	 {ACM Queue},
  year = 	 {2004},
  volume =	 {2},
  number =	 {2},
  pages =	 {26--35},
  month =	 Apr,
}

@InCollection{XuCro2000a,
  author = 	 {Xu, Jinxi and Croft, W. Bruce},
  title = 	 {Topic-Based Language Models for Distributed Retrieval},
  booktitle = 	 {Advances in Information Retrieval. Recent Research
                  from the Center for Intelligent Information
                  Retrieval},
  pages =	 {151--172},
  publisher =	 {Kluwer Academic Publishers},
  year =	 {2000},
  editor =	 {Croft, W. Bruce},
  volume =	 {7},
  series =	 {The Kluwer International Series on Information
                  Retrieval},
  chapter =	 {6},
  address =	 {Dordrecht/Boston/London},
}




@InProceedings{Yeh2000a,
  author = 	 {Yeh, Alexander},
  title = 	 {More accurate tests for the statistical significance of result differences},
  booktitle = 	 {Proceedings of the 18th International Conference on Computational Linguistics (COLING 2000)},
  pages =	 {947--953},
  year =	 {2000},
  address =	 {Saarbr\"cken (Germany), Luxembourg and Nancy (France)},
}

@inproceedings{ZazFigAloRod2002a,
  title =	 "Term Expansion Using Stemming and Thesauri in
                  {S}panish",
  author =	 "Zazo Rodr\'{\i}guez,Angel F. and Figuerola, Carlos
                  G. and Alonso Berrocal, Jos\'e Luis and
                  Rodr\'{\i}guez, Emilio ",
  editor =	 "C. Peters",
  booktitle =	 "Results of the CLEF 2002 Cross-Language System
                  Evaluation Campaign, Working Notes for the CLEF 2002
                  Workshop",
  month =	 "September",
  address =	 "Rome, Italy",
  year =	 "2002",
  pages =	 "177-183",
}


@InProceedings{ZhaTonMilEva97a,
  author =	 "Zhai, Chengxiang and Tong, Xiang and Mili\'c-Frayling, Nata\v{s}a and Evans, David A.",
  title =	 "Evaluation of Syntactic Phrase Indexing --- {CLARIT} {NLP} Track Report",
  pages =	 "347--357",
  booktitle =	 "NIST Special Publication 500-238: The Fifth Text
                  REtrieval Conference (TREC 5)",
  year =	 "1997",
  address =	 "Gaithersburg, MD, USA",
  editor =	 {Voorhees, E. M. and Harman, D. K.},
  publisher =	 {Department of Commerce, National Institute of
                  Standards and Technology},
}



@InCollection{Zho99a,
  author =	 "Zhou, Joe",
  title =	 "Phrasal Terms in Real-Word {IR} Applications",
  booktitle =	 "Natural Language Information Retrieval",
  publisher =	 "Kluwer Academic Publishers",
  year =	 "1999",
  editor =	 "Strzalkowski, Tomek",
  volume =	 "7",
  series =	 "Text, Speech and Language Technology",
  pages =	 "215--259",
  address =	 "Dordrecht/Boston/London",
}

