Shared Tasks (2004)

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Shared Tasks (2004)

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CLEF: Cross-Language Retrieval in Image Collections

Participant papers:

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Report on the ImageCLEF Experiment: How to Visually Retrieve Images from the St. Andrews Collection using GIFT
Henning Müller | Antoine Geissbühler | Patrick Ruch

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FIRE - Flexible Image Retrieval Engine: ImageCLEF 2004 Evaluation
Thomas Deselaers | Daniel Keysers | Hermann Ney

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LIC2M Experiments at CLEF 2004
Romaric Besançon | Olivier Ferret | Christian Fluhr

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FINT: Find Images aNd Text
Menno van Zaanen | Guido de Croon

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Visual Features for Content-based Medical Image Retrieval
Peter Howarth | Alexei Yavlinsky | Daniel Heesch | Stefan M. Rüger

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KIDS's Evaluation in the Medical Image Retrieval Task at ImageCLEF 2004
Pei-Cheng Cheng | Been-Chian Chien | Hao-Ren Ke | Wei-Pang Yang

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NCTU-ISU's Evaluation for the User-Centered Search Task at ImageCLEF 2004
Pei-Cheng Cheng | Jen-Yuan Yeh | Been-Chian Chien | Hao-Ren Ke | Wei-Pang Yang

CLEF: Cross-Language Spoken Document Retrieval

Participant papers:

CLEF: Mono- and Cross-Language IR on Structured Scientific Data

Participant papers:

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University of Hagen at CLEF 2004: Indexing and Translating Concepts for the GIRT Task
Johannes Leveling | Sven Hartrumpf

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IRIT at CLEF 2004: The English GIRT Task
Mustapha Baziz | Mohand Boughanem | Nathalie Aussenac-Gilles

CLEF: Interactive Cross-Language Information Retrieval

Overview papers:

Participant papers:

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Interactive Cross-Language Question Answering: Searching Passages versus Searching Documents
Fernando López-Ostenero | Julio Gonzalo | Víctor Peinado | Felisa Verdejo

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REINA at iCLEF 2004
Carlos G. Figuerola | Ángel F. Zazo Rodríguez | José Luis Alonso Berrocal | Emilio Rodríguez Vázquez de Aldana

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Bookmarking, Thesaurus, and Cooperation in Bilingual Question Answering
Jussi Karlgren | Preben Hansen | Magnus Sahlgren

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iCLEF 2004 at Maryland: Summarization Design for Interactive Cross-Language Question Answering
Daqing He | Jianqiang Wang | Jun Luo | Douglas W. Oard

CLEF: Mono-, Bi- and Multilingual Information Retrieval

Participant papers:

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Selection and Merging Strategies for Multilingual Information Retrieval
Jacques Savoy | Pierre-Yves Berger

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Using Surface-Syntactic Parser and Derivation from Randomness: X-IOTA IR System used for CLIPS Mono & Bilingual Experiments for CLEF 2004
Gilles Sérasset | Jean-Pierre Chevallet

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Cross-Language Retrieval Using HAIRCUT for CLEF 2004
Paul McNamee | James Mayfield

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The University of Padua at CLEF 2004: Experiments on Statistical Approaches to Compensate for Limited Linguistic Resources
Giorgio Maria Di Nunzio | Nicola Ferro | Nicola Orio

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IR-n r2: Using Normalized Passages
Fernando Llopis | Rafael Muñoz | Rafael M. Terol | Elisa Noguera

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Using COTS Search Engines and Custom Query Strategies at CLEF
David Nadeau | Mario Jarmasz | Caroline Barrière | George F. Foster | Claude St. Jacques

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The University of Amsterdam at CLEF 2004
Sisay Fissaha Adafre | Willem Robert van Hage | Jaap Kamps | Gustavo Lacerda de Melo | Maarten de Rijke

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Dictionary-based Amharic - English Information Retrieval
Atelach Alemu Argaw | Lars Asker | Rickard Cöster | Jussi Karlgren

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SINAI at CLEF 2004: Using Machine Translation Resources with Mixed 2-Step RSV Merging Algorithm
Fernando Javier Martínez Santiago | Miguel Ángel García Cumbreras | Manuel Carlos Díaz-Galiano | Luis Alfonso Ureña López

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Mono- and Crosslingual Retrieval Experiments at the University of Hildesheim
René Hackl | Thomas Mandl | Christa Womser-Hacker

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MIRACLE's Hybrid Approach to Bilingual and Monolingual Information Retrieval
José Miguel Goñi-Menoyo | José Carlos González | José Luis Martínez-Fernández | Julio Villena

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Finnish, Portuguese and Russian Retrieval with Hummingbird SearchServer^ at CLEF 2004
Stephen Tomlinson

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Data Fusion for Effective European Monolingual Information Retrieval
Jacques Savoy

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The University of Glasgow at CLEF 2004: French Monolingual Information Retrieval with Terrier
Christina Lioma | Ben He | Vassilis Plachouras | Iadh Ounis

CLEF: Multiple Language Question Answering

Overview papers:

Participant papers:

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Question Answering System for the French Language
Laura Perrot

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Experiments on Robust NL Question Interpretation and Multi-layered Document Annotation for a Cross-Language Question/Answering System
Günter Neumann | Bogdan Sacaleanu

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The DIOGENE Question Answering System at CLEF-2004
Hristo Tanev | Matteo Negri | Bernardo Magnini | Milen Kouylekov

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Cross-Language Question Answering at the University of Helsinki
Lili Aunimo | Reeta Kuuskoski | Juha Makkonen

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The Use of Lexical Context in Question Answering for Spanish
Manuel Alberto Pérez-Coutiño | Thamar Solorio | Manuel Montes-y-Gómez | Aurelio López-López | Luis Villaseñor Pineda

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First Evaluation of Esfinge - a Question Answering System for Portuguese
Luís Costa

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The University of Évora approach to QA@CLEF-2004
Paulo Quaresma | Luis Quintano | Irene Rodrigues | José Saias | Pedro D. Salgueiro

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Does English help Question Answering in Spanish?
José Luis Vicedo González | Maximiliano Saiz | Rubén Izquierdo

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QA at ILC-UniPI: Description of the Prototype
Francesca Bertagna | Luminita Chiran | Maria Simi

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Evaluation of Complex Temporal Questions in CLEF-QA
Estela Saquete | José Luis Vicedo González | Patricio Martínez-Barco | Rafael Muñoz | Fernando Llopis

CLEF: Issues in CLIR and in Evaluation

Participant papers:

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Issues When Building CLIR Applications: Outline of Invited Talk at CLEF 2004 Workshop
Gregor Thurmair

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NTCIR-4: Outline of Invited Talk at CLEF 2004 Workshop
Noriko Kando

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CHAVE: Topics and Questions on the Portuguese Participation in CLEF
Diana Santos | Paulo Rocha

TREC: Hard

Overview papers:

Participant papers:

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Phrasal Queries with LingPipe and Lucene: Ad Hoc Genomics Text Retrieval
Bob Carpenter

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Categorization of Genomics Text Based on Decision Rules
Rocio Guillén

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UB at CLEF2004: Part 2 - Cross Language Medical Image Retrieval
Miguel E. Ruiz | Munirathnam Srikanth

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Concept Extraction and Synonymy Management for Biomedical Information Retrieval
Colleen E. Crangle | Alex Zbyslaw | J. Michael Cherry | Eurie L. Hong

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MeSH Based Feedback, Concept Recognition and Stacked Classification for Curation Tasks
Wessel Kraaij | Stephan Raaijmakers | Marc Weeber | Rob Jelier

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The GUC Goes to TREC 2004: Using Whole or Partial Documents for Retrieval and Classification in the Genomics Track
Kareem Darwish | Amgad Madkour

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TREC 2004 Genomics Track Experiments at IUB
Kazuhiro Seki | James C. Costello | Vasanth R. Singan | Javed Mostafa

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Meiji University Web, Novelty and Genomic Track Experiments
Tomoe Tomiyama | Kosuke Karoji | Takeshi Kondo | Yuichi Kakuta | Tomohiro Takagi

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Identifying Relevant Full-Text Articles for GO Annotation Without MeSH Terms
Chih Lee | Wen-Juan Hou | Hsin-Hsi Chen

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Experience of Using SVM for the Triage Task in TREC 2004 Genomics Track
Dell Zhang | Wee Sun Lee

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Feature Generation, Feature Selection, Classifiers, and Conceptual Drift for Biomedical Document Triage
Aaron M. Cohen | Ravi Teja Bhupatiraju | William R. Hersh

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Revisiting Again Document Length Hypotheses TREC 2004 Genomics Track Experiments at Patolis
Sumio Fujita

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Concept Extraction and Synonymy Management for Biomedical Information Retrieval
Colleen E. Crangle | Alex Zbyslaw | J. Michael Cherry | Eurie L. Hong

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UB at CLEF2004: Part 2 - Cross Language Medical Image Retrieval
Miguel E. Ruiz | Munirathnam Srikanth

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Information Needs and Automatic Queries
Richard M. Tong

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MeSH Based Feedback, Concept Recognition and Stacked Classification for Curation Tasks
Wessel Kraaij | Stephan Raaijmakers | Marc Weeber | Rob Jelier

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THUIR at TREC 2004: Genomics Track
Jiao Li | Xian Zhang | Min Zhang | Xiaoyan Zhu

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BioText Team Experiments for the TREC 2004 Genomics Track
Preslav Nakov | Ariel S. Schwartz | Emilia Stoica | Marti A. Hearst

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TREC Genomics 2004
Gail Sinclair | Bonnie L. Webber

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Expanding Queries Using Stems and Symbols
Michela Bacchin | Massimo Melucci

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Sheffield University and the TREC 2004 Genomics Track: Query Expansion Using Synonymous Terms
Yikun Guo | Henk Harkema | Robert J. Gaizauskas

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TREC 2004 Genomics Track Experiments at UTA: The Effects of Primary Keys, Bigram Phrases and Query Expansion on Retrieval Performance
Ari Pirkola

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Domain-Specific Synonym Expansion and Validation for Biomedical Information Retrieval (MultiText Experiments for TREC 2004)
Stefan Büttcher | Charles L. A. Clarke | Gordon V. Cormack

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Exploiting Zone Information, Syntactic Rules, and Informative Terms in Gene Ontology Annotation of Biomedical Documents
Burr Settles | Mark Craven

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York University at TREC 2004: HARD and Genomics Tracks
Xiangji Huang | Yan Rui Huang | Ming Zhong | Miao Wen

TREC: Novelty

Overview papers:

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HARD Track Overview in TREC 2004 - High Accuracy Retrieval from Documents
James Allan

Participant papers:

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Approaches to High Accuracy Retrieval: Phrase-Based Search Experiments in the HARD Track
Olga Vechtomova | Murat Karamuftuoglu

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ISCAS at TREC 2004: HARD Track
Le Sun | Junlin Zhang | Yufang Sun

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Improving Passage Retrieval Using Interactive Elicition and Statistical Modeling
Daqing He | Dina Demner-Fushman | Douglas W. Oard | Damianos G. Karakos | Sanjeev Khudanpur

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Microsoft Cambridge at TREC 13: Web and Hard Tracks
Hugo Zaragoza | Nick Craswell | Michael J. Taylor | Suchi Saria | Stephen E. Robertson

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University of Chicago at CLEF2004: Cross-language Text and Spoken Document Retrieval
Gina-Anne Levow | Irina Matveeva

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UIUC in HARD 2004–Passage Retrieval Using HMMs
Jing Jiang | ChengXiang Zhai

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Improving Passage Retrieval Using Interactive Elicition and Statistical Modeling
Daqing He | Dina Demner-Fushman | Douglas W. Oard | Damianos G. Karakos | Sanjeev Khudanpur

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University of North Carolina's HARD Track Experiments at TREC 2004
Diane Kelly | Vijay Deepak Dollu | Xin Fu

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Conceptual Language Models for Context-Aware Text Retrieval
Henning Rode | Djoerd Hiemstra

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Approaches to High Accuracy Retrieval: Phrase-Based Search Experiments in the HARD Track
Olga Vechtomova | Murat Karamuftuoglu

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York University at TREC 2004: HARD and Genomics Tracks
Xiangji Huang | Yan Rui Huang | Ming Zhong | Miao Wen

TREC: QA

Overview papers:

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Overview of the TREC 2004 Novelty Track
Ian Soboroff

Participant papers:

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Experiments in TREC 2004 Novelty Track at CAS-ICT
Huaping Zhang | Hongbo Xu | Shuo Bai | Bin Wang | Xueqi Cheng

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Evolving XML and Dictionary Strategies for Question Answering and Novelty Tasks
Kenneth C. Litkowski

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Columbia University in the Novelty Track at TREC 2004
Barry Schiffman | Kathleen R. McKeown

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From the Texts to the Contexts They Contain: A Chain of Linguistic Treatments
Ahmed Amrani | Jérôme Azé | Thomas Heitz | Yves Kodratoff | Mathieu Roche

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A Hidden Markov Model for the TREC Novelty Task
John M. Conroy

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TREC Novelty Track at IRIT-SIG
Taoufiq Dkaki | Josiane Mothe

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Meiji University Web, Novelty and Genomic Track Experiments
Tomoe Tomiyama | Kosuke Karoji | Takeshi Kondo | Yuichi Kakuta | Tomohiro Takagi

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Improved Feature Selection and Redundance Computing - THUIR at TREC 2004 Novelty Track
Liyun Ru | Le Zhao | Min Zhang | Shaoping Ma

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The University of Michigan in Novelty 2004
Günes Erkan

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From the Texts to the Contexts They Contain: A Chain of Linguistic Treatments
Ahmed Amrani | Jérôme Azé | Thomas Heitz | Yves Kodratoff | Mathieu Roche

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ISI Novelty Track System for TREC 2004
Soo-Min Kim | Deepak Ravichandran | Eduard H. Hovy

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TREC Novelty Track at IRIT-SIG
Taoufiq Dkaki | Josiane Mothe

TREC: Robust

Overview papers:

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Overview of the TREC 2004 Question Answering Track
Ellen M. Voorhees

Participant papers:

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Experiments with Web QA System and TREC 2004 Questions
Dmitri Roussinov | Yin Ding | Jose Antonio Robles-Flores

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Evolving XML and Dictionary Strategies for Question Answering and Novelty Tasks
Kenneth C. Litkowski

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IBM's PIQUANT II in TREC 2004
Jennifer Chu-Carroll | Krzysztof Czuba | John M. Prager | Abraham Ittycheriah | Sasha Blair-Goldensohn

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DalTREC 2004: Question Answering Using Regular Expression Rewriting
Vlado Keselj | Anthony Cox

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IBM's PIQUANT II in TREC 2004
Jennifer Chu-Carroll | Krzysztof Czuba | John M. Prager | Abraham Ittycheriah | Sasha Blair-Goldensohn

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Combining Linguistic Processing and Web Mining for Question Answering: ITC-irst at TREC 2004
Hristo Tanev | Milen Kouylekov | Bernardo Magnini

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LexiClone Inc. and NIST TREC
Ilya S. Geller

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AnswerFinder at TREC 2004
Diego Mollá | Mary Gardiner

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National University of Singapore at the TREC 13 Question Answering Main Task
Hang Cui | Keya Li | Renxu Sun | Tat-Seng Chua | Min-Yen Kan

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Question Answering by Searching Large Corpora With Linguistic Methods
Michael Kaißer | Tilman Becker

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THUIR at TREC 2004: QA
Wei Tan | Qunxiu Chen | Shaoping Ma

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University of Lethbridge's Participation in TREC 2004 QA Track
Yllias Chali | Stephen Dubien

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Question Answering Using the DLT System at TREC 2004
Richard F. E. Sutcliffe | Igal Gabbay | Kieran White | Aoife O'Gorman | Michael Mulcahy

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UNT at TREC 2004: Question Answering Combining Multiple Evidences
Jiangping Chen | He Ge | Yan Wu | Shikun Jiang

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The University of Sheffield's TREC 2004 QA Experiments
Robert J. Gaizauskas | Mark A. Greenwood | Mark Hepple | Ian Roberts | Horacio Saggion

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Bangor at TREC 2004: Question Answering Track
Terence Clifton | William John Teahan

TREC: Terabyte

Overview papers:

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Overview of the TREC 2004 Robust Track
Ellen M. Voorhees

Participant papers:

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NLPR at TREC 2004: Robust Experiments
Jin Xu | Jun Zhao | Bo Xu

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The Hong Kong Polytechnic University at the TREC 2004 Robust Track
D. Y. Wang | Robert Wing Pong Luk | Kam-Fai Wong

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Fondazione Ugo Bordoni at TREC 2004
Gianni Amati | Claudio Carpineto | Giovanni Romano

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The Hong Kong Polytechnic University at the TREC 2004 Robust Track
D. Y. Wang | Robert Wing Pong Luk | Kam-Fai Wong

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Robust, Web and Terabyte Retrieval with Hummingbird SearchServer at TREC 2004
Stephen Tomlinson

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Juru at TREC 2004: Experiments with Prediction of Query Difficulty
Elad Yom-Tov | Shai Fine | David Carmel | Adam Darlow | Einat Amitay

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JHU/APL at TREC 2004: Robust and Terabyte Tracks
Christine D. Piatko | James Mayfield | Paul McNamee | R. Scott Cost

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TREC 2004 Robust Track Experiments Using PIRCS
Kui-Lam Kwok | Laszlo Grunfeld | H. L. Sun | Peter Deng

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University of Glasgow at TREC 2004: Experiments in Web, Robust, and Terabyte Tracks with Terrier
Vassilis Plachouras | Ben He | Iadh Ounis

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UIC at TREC 2004: Robust Track
Shuang Liu | Chaojing Sun | Clement T. Yu

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Can We Get A Better Retrieval Function From Machine?
Weiguo Fan | Wensi Xi | Edward A. Fox | Li Wang

TREC: Web

Overview papers:

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Overview of the TREC 2004 Terabyte Track
Charles L. A. Clarke | Nick Craswell | Ian Soboroff

Participant papers:

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Initial Results with Structured Queries and Language Models on Half a Terabyte of Text
Kevyn Collins-Thompson | Paul Ogilvie | Jamie Callan

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Amberfish at the TREC 2004 Terabyte Track
Nassib Nassar

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Robust, Web and Terabyte Retrieval with Hummingbird SearchServer at TREC 2004
Stephen Tomlinson

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IIT at TREC 2004 Standard Retrieval Models Over Partitioned Indices for the Terabyte Track
Jefferson Heard | Ophir Frieder | David A. Grossman

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JHU/APL at TREC 2004: Robust and Terabyte Tracks
Christine D. Piatko | James Mayfield | Paul McNamee | R. Scott Cost

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Using Normal PC to Index and Retrieval Terabyte Document - THUIR at TREC 2004 Terabyte Track
Yijiang Jin | Wei Qi | Min Zhang | Shaoping Ma

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Towards Grid-Based Information Retrieval
Gregory B. Newby

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University of Glasgow at TREC 2004: Experiments in Web, Robust, and Terabyte Tracks with Terrier
Vassilis Plachouras | Ben He | Iadh Ounis

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Indri at TREC 2004: Terabyte Track
Donald Metzler | Trevor Strohman | Howard R. Turtle | W. Bruce Croft

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Melbourne University 2004: Terabyte and Web Tracks
Vo Ngoc Anh | Alistair Moffat

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Using Clustering and Blade Clusters in the Terabyte Task
Giuseppe Attardi | Andrea Esuli | Chirag Patel

NTCIR: Cross Lingual Information Retrieval Task (CLIR)

Overview papers:

Participant papers:

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Cross-Language IR at University of Tsukuba: Automatic Transliteration for Japanese, English, and Korean
Atsushi Fujii | Tetsuya Ishikawa

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Chinese and Korean Topic Search of Japanese News Collections
Fredric C. Gey

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Combination Approaches in Information Retrieval: Words vs. N-grams and Query Translation vs. Document Translation
In-Su Kang | Seung-Hoon Na | Jong-Hyeok Lee

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CLIR Using Web Directory at NTCIR-4
Fuminori Kimura | Akira Maeda | Shunsuke Uemura

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Prediction of Performance on Cross-Lingual Information Retrieval by Regression Models
Kazuaki Kishida | Kazuko Kuriyama | Noriko Kando | Koji Eguchi

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Ricoh in the NTCIR4 CLIR Tasks
Yuichi Kojima | Hideo Itoh

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NTCIR-4 Chinese, English, Korean Cross Language Retrieval Experiments Using PIRCS
Kui-Lam Kwok | Norbert Dinstl | Sora Choi

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University of Chicago at NTCIR4 CLIR: Multi-Scale Query Expansion
Gina-Anne Levow

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Merging Multilingual Information Retrieval Results Based on Prediction of Retrieval Effectiveness
Wen-Cheng Lin | Hsin-Hsi Chen

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Pseudo-Relevance Feedback and Title Re-Ranking for Chinese Information Retrieval
Robert W. P. Luk | Kam-Fai Wong

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Thomson Legal and Regulatory at NTCIR-4: Monolingual and Pivot-Language Retrieval Experiments
Isabelle Moulinier

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Integration of PLSA into Probabilistic CLIR Model - Yokohama National University at NTCIR4 CLIR
Tetsu Muramatsu | Tatsunori Mori

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Applying Multiple Characteristics and Techniques to Obtain High Levels of Performance in Information Retrieval at NTCIR-4
Masaki Murata | Qing Ma | Hitoshi Isahara

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NTCIR-4 CLIR Experiments at Oki
Tetsuji Nakagawa | Mihoko Kitamura

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Toshiba BRIDJE at NTCIR-4 CLIR: Monolingual/Bilingual IR and Flexible Feedback
Tetsuya Sakai | Makoto Koyama | Akira Kumano | Toshihiko Manabe

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Report on CLIR Task for the NTCIR-4 Evaluation Campaign
Jacques Savoy

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KUNLP System for NTCIR-4 Korean-English Cross-Language Information Retrieval
Hee-Cheol Seo | Sang-Bum Kim | Ho-Gun Lim | Hae-Chang Rim

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CJK Experiments with Hummingbird SearchServer^ at NTCIR-4
Stephen Tomlinson

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Global and Local Term Expansion for Text Retrieval
Yuen-Hsien Tseng | Da-Wei Juang | Shiu-Han Chen

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Chinese Information Retrieval Based on Terms and Ontology
Lingpeng Yang | Donghong Ji | Li Tang

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Applying Language Model into IR Task
Junlin Zhang | Le Sun | Yongche Zhang | Yufang Sun

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RMIT Chinese-English CLIR at NTCIR-4
Ying Zhang | Phil Vines

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Experiments on Chinese-English Cross-language Retrieval at NTCIR-4
Yilu Zhou | Jialun Qin | Michael Chau | Hsinchun Chen

NTCIR: PATENT Retrieval Task (PATENT)

Overview papers:

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Overview of Patent Retrieval Task at NTCIR-4
Atsushi Fujii | Makoto Iwayama | Noriko Kando

Participant papers:

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Document Structure Analysis in Associative Patent Retrieval
Atsushi Fujii | Tetsuya Ishikawa

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Revisiting Document Length Hypotheses: NTCIR-4 CLIR and Patent Experiments at Patolis
Sumio Fujita

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NTCIR-4 Patent Retrieval Experiments at RICOH
Hideo Itoh

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Invalidity Patent Search System of NTT DATA
Kazuya Konishi | Akira Kitauchi | Toru Takaki

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Two-Stage Patent Retrieval Method Considering Claim Structure
Hisao Mase | Tadataka Matsubayashi | Yuichi Ogawa | Makoto Iwayama | Tadaaki Oshio

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NTCIR-4 PATENT Experiments at Osaka Kyoiku University - Gram-Based Passage Index and Essential Words
Takashi Sato | Nao Hatta

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Can Claim Analysis Contribute toward Patent Map Generation?
Akihiro Shinmori | Manabu Okumura | Yuzo Marukawa | Makoto Iwayama

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Experiments on Patent Retrieval at NTCIR-4 Workshop
Hironori Takeuchi | Naohiko Uramoto | Koichi Takeda

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Patent Map Generation Using Concept-Based Vector Space Model
Hideyuki Uchida | Atsushi Mano | Takashi Yukawa

NTCIR: Question Answering Challenge (QAC)

Overview papers:

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Question Answering Challenge for Five Ranked Answers and List Answers - Overview of NTCIR4 QAC2 Subtask 1 and 2
Jun-ichi Fukumoto | Tsuneaki Kato | Fumito Masui

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Question Answering Challenge for Information Access Dialogue - Overview of NTCIR4 QAC2 Subtask
Tsuneaki Kato | Jun-ichi Fukumoto | Fumito Masui

Participant papers:

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Question Answering Using "Common Sense" and Utility Maximization Principle
Tomoyosi Akiba | Katunobu Itou | Atsushi Fujii

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Oki QA System for QAC-2
Masachika Fuchigami | Hiroyuki Ohnuma | Atsushi Ikeno

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Rits-QA: List Answer Detection and Context Task with Zero Anaphora Handling
Jun-ichi Fukumoto | Tatsuhiro Niwa | Makoto Itoigawa | Megumi Matsuda

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Question Answering System Based on Expanded Answer Types and Multi-Scores
Naoya Hidaka | Fumito Masui | Keiko Tosaki

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Question Answering System Using Concept-Based Vector Space Model
Isrami Ismail | Takashi Yukawa

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NTT's Question Answering System for NTCIR QAC2
Hideki Isozaki

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A Question Answering System Based on Vector Similarity
Takuya Kosugi | Hiroya Susuki | Hiroyuki Okamoto | Hiroaki Saito

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GDQA: Graph Driven Question Answering System - NTCIR-4 QAC2 Experiments
Gakuto Kurata | Naoaki Okazaki | Mitsuru Ishizuka

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Japanese Q/A System Using A* Search and Its Improvement - Yokohama National University at QAC2
Tatsunori Mori

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Japanese Question-Answering System Using Decreased Adding with Multiple Answers
Masaki Murata | Masao Utiyama | Hitoshi Isahara

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POSTECH Question-Answering Experiments at NTCIR4-QAC
Seung-Hoon Na | In-Su Kang | Jong-Hyeok Lee

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Question Answering System QUARK
Yasuo Nii | Keizo Kawata | Tatsumi Yoshida | Hiroyuki Sakai | Shigeru Masuyama

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NTCIR-4 QAC Experiments at Matsushita
Masako Nomoto | Yoshio Fukushige | Mitsuhiro Sato | Hiroyuki Suzuki

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Are We Making Progress? - An Analysis of NTCIR QAC1 and 2
Masako Nomoto | Yoshio Fukushige | Mitsuhiro Sato | Hiroyuki Suzuki

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Finding Relevant Answers in Question Answering System Contest
David Ramamonjisoa

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Toshiba ASKMi at NTCIR-4 QAC2
Tetsuya Sakai | Yoshimi Saito | Yumi Ichimura | Makoto Koyama | Tomoharu Kokubu

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NAIST QA System for QAC2
Tetsuro Takahashi | Kozo Nawata | Kentaro Inui | Yuji Matsumoto

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NTT DATA Question-Answering Experiment at the NTCIR-4 QAC2
Toru Takaki

NTCIR: Text Summarization Challenge (TSC)

Overview papers:

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Text Summarization Challenge 3 - Text Summarization Evaluation at NTCIR Workshop
Tsutomu Hirao | Manabu Okumura | Takahiro Fukusima | Hidetsugu Nanba

Participant papers:

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Multi-Document Summarization Using Document Set Type Classification
Jun-ichi Fukumoto

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Multi-Document Summarization Using Cross-Language Texts
Jung-Min Lim | In-Su Kang | Jong-Hyeok Lee

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Multi-Document Summarization Using a Question-Answering Engine - Yokohama National University at TSC3
Tatsunori Mori | Masanori Nozawa | Yoshiaki Asada

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Comparison of Feature Usage at TSC-3 Summarization Tasks
Chikashi Nobata | Satoshi Sekine | Kiyotaka Uchimoto | Hitoshi Isahara

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TISS: An Integrated Summarization System for TSC-3
Naoaki Okazaki | Yutaka Matsuo | Mitsuru Ishizuka

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A Multiple-Document Summarization System Introducing User Interaction for Reflecting User's Summarization Need
Hiroyuki Sakai | Shigeru Masuyama

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Query-Based Multidocument Summarization for Information Retrieval
Toshihiko Sakurai | Akira Utsumi

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User-Focused Multi-Document Summarization with Paragraph Clustering and Sentence-Type Filtering
Yohei Seki | Koji Eguchi | Noriko Kando

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Multiple News Articles Summarization Based on Event Reference Information
Masaharu Yoshioka | Makoto Haraguchi

NTCIR: WEB Task

Overview papers:

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Overview of WEB Task at the Fourth NTCIR Workshop
Keizo Oyama | Akiko Aizawa | Haruko Ishikawa

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Overview of the Informational Retrieval Task at NTCIR-4 WEB
Koji Eguchi | Keizo Oyama | Akiko Aizawa | Haruko Ishikawa

Participant papers:

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Overview of the NTCIR-4 WEB Navigational Retrieval Task 1
Keizo Oyama | Koji Eguchi | Haruko Ishikawa | Akiko Aizawa

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An Evaluation Method of Web Search Engines Based on Users' Sense
Takashi Ohtsuka | Koji Eguchi | Hayato Yamana

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Preliminary Workshop on Evaluation of Geographic Information Retrieval Systems for Web Documents
Masatoshi Arikawa | Takeshi Sagara | Kouzou Noaki | Hideyuki Fujita

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Overview of the Topical Classification Task at NTCIR-4 WEB
Koji Eguchi

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Experiments on Web Retrieval Driven by Spontaneously Spoken Queries
Tomoyosi Akiba | Atsushi Fujii | Tetsuya Ishikawa | Katunobu Itou

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Giving an Upprebound of the Number of Clusters and Relevant Words in Hierarchical Document Clustering Based on BIC
Yoshio Fukushige

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R^D^ at NTCIR-4 Web Retrieval Task
Teruhito Kanazawa | Tomonari Masada | Atsuhiro Takasu | Jun Adachi

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Document Clustering at NTCIR-4 Workshop: Limiting Search Space of the K-Means Method Using Word Occurrence
Yuji Kaneda | Naonori Ueda | Kazumi Saito

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Navigation Retrieval with Site Anchor Text
Hideki Kawai | Kenji Tateishi | Toshikazu Fukushima

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NTCIR-4 WEB Experiments at Osaka Kyoiku University - Static/Dynamic Scoring Using Link Structure Analysis and Web Page Grouping
Hitoshi Nakakubo | Peng Zhang | Takashi Sato

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Overlapping Clustering Method Using Local and Global Importance of Feature Terms at NTCIR-4 WEB Task
Manabu Ohta | Hirokazu Narita | Shigeyoshi Ohno

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Web Document Clustering Using Threshold Selection Partitioning
Minoru Sasaki | Hiroyuki Shinnou

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A Web Search Result Classification System Based on the Degree of Suitability for Specialists
Masanobu Tsuruta | Yoshiyuki Umemura | Hiroyuki Sakai | Shigeru Masuyama

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Using Virtual Document for NTCIR-4 Web Information Retrieval Task
Yinghui Xu | Kyoji Umemura

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Study on the Combination of Probabilistic and Boolean IR Models for WWW Documents Retrieval
Masaharu Yoshioka | Makoto Haraguchi