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Shared Tasks (2002)

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CLEF: Mono- and Cross-Language IR for Scientific Collections

Participant papers:

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Are Thesauri Useful in Cross-Language Information Retrieval?
Vivien Petras | Natalia Perelman | Fredric C. Gey

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XRCE Participation in CLEF 2002
Jean-Michel Renders | Hervé Déjean | Éric Gaussier

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Domain Specific Retrieval Experiments with MIMOR at the University of Hildesheim
René Hackl | Ralph Kölle | Thomas Mandl | Christa Womser-Hacker

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CLEF: Mono-, Bi- and Multilingual Information Retrieval

Participant papers:

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ITC-irst at CLEF 2002: Using N-best Query Translations for CLIR
Nicola Bertoldi | Marcello Federico

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UTACLIR @ CLEF 2002: Towards a Unified Translation Process Model
Eija Airio | Heikki Keskustalo | Turid Hedlund | Ari Pirkola

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Merging Different Languages in a Single Document Collection
Jian-Yun Nie | Fuman Jin

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EXETER at CLEF 2002: Experiments with Machine Translation for Monolingual and Bilingual Retrieval
Adenike M. Lam-Adesina | Gareth J. F. Jones

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Thomson Legal and Regulatory Experiments for CLEF 2002
Isabelle Moulinier | Hugo Molina-Salgado

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SINAI on CLEF 2002: Experimenting with Merging Strategies
Fernando Javier Martínez Santiago | Maite Martín-Valdivia | Luis Alfonso Ureña López

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Cross-language Retrieval at Twente and TNO
Dennis Reidsma | Djoerd Hiemstra | Franciska de Jong | Wessel Kraaij

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Eurospider at CLEF 2002
Martin Braschler | Anne Göhring | Peter Schäuble

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Scalable Multilingual Information Access
Paul McNamee | James Mayfield

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Some Experiments with the Dutch Collection
Arjen P. de Vries | Anne Diekema

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Italian Monolingual Information Retrieval with PROSIT
Gianni Amati | Claudio Carpineto | Giovanni Romano

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University of Padua at CLEF 2002: Experiments to Evaluate a Statistical Stemming Algorithm
Michela Bacchin | Nicola Ferro | Massimo Melucci

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IR-n System at Clef 2002
Fernando Llopis | José Luis Vicedo González | Antonio Ferrández

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Term Expansion using Stemming and Thesauri in Spanish
Ángel F. Zazo Rodríguez | Carlos G. Figuerola | José Luis Alonso Berrocal | Emilio Rodríguez

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MediaLab @ CLEF-2002: Comparing Search Strategies
Dennis Reidsma | Peter van der Weerd

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Experiments with a Chunker and Lucene
Gil Francopoulo

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SICS at CLEF 2002: Automatic Query Expansion using Random Indexing
Magnus Sahlgren | Jussi Karlgren | Rickard Cöster | Timo Järvinen

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IMBIT: Resources and Search Strategy
Claudia Wortmann

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TREC: Interactive

Overview papers:

Participant papers:

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Example Based Text Matching Methodology for Routing Tasks
Ari Visa | Jarmo Toivonen | Tomi Vesanen | Jarno Mäkinen | Barbro Back | Hannu Vanharanta

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Information Filtering, Novelty Detection, and Named-Page Finding
Kevyn Collins-Thompson | Paul Ogilvie | Yi Zhang | Jamie Callan

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TREC 11 Experiments at CAS-ICT: Filtering and Web
Hongbo Xu | Zhifeng Yang | Bin Wang | Bin Liu | Jun Cheng | Yue Liu | Zhe Yang | Xueqi Cheng | Shuo Bai

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CLARIT Experiments in Batch Filtering: Term Selection and Threshold Optimization in IR and SVM Filters
David A. Evans | James G. Shanahan | Norbert Roma | Jeffrey Bennett | Victor Sheftel | Emilia Stoica | Jesse Montgomery | David A. Hull | Waibhav Tembe

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CLIPS at TREC 11: Experiments in Filtering
Christophe Brouard

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FDU at TREC 2002: Filtering, Q&A, Web and Video Tasks
Lide Wu | Xuanjing Huang | Junyu Niu | Yingju Xia | Zhe Feng | Yaqian Zhou

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IRIT at TREC 2002: Filtering Track
Mohand Boughanem | Hamid Tebri | Mohamed Tmar

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JHU/APL at TREC 2002: Experiments in Filtering and Arabic Retrieval
Paul McNamee | Christine D. Piatko | James Mayfield

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Kernel Methods for Document Filtering
Nicola Cancedda | Cyril Goutte | Jean-Michel Renders | Nicolò Cesa-Bianchi | Alex Conconi | Yaoyong Li | John Shawe-Taylor | Alexei Vinokourov | Thore Graepel | Claudio Gentile

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Microsoft Cambridge at TREC 2002: Filtering Track
Stephen E. Robertson | Steve Walker | Hugo Zaragoza | Ralf Herbrich

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TREC 11 Experiments at NII: The Effects of Virtual Relevant Documents in Batch Filtering
Kyung-Soon Lee | Kyo Kageura | Akiko N. Aizawa

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Example Based Text Matching Methodology for Routing Tasks
Ari Visa | Jarmo Toivonen | Tomi Vesanen | Jarno Mäkinen | Barbro Back | Hannu Vanharanta

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TREC 2002 Web, Novelty and Filtering Track Experiments using PIRCS
Kui-Lam Kwok | Peter Deng | Norbert Dinstl | M. Chan

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UB at TREC 11: Batch and Adaptive Filtering
Munirathnam Srikanth | Xiaoyun Wu | Rohini K. Srihari

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Rutgers Filtering Work at TREC 2002: Adaptive and Batch
Andrei Anghelescu | Endre Boros | David D. Lewis | Vladimir Menkov | David J. Neu | Paul B. Kantor

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Example Based Text Matching Methodology for Routing Tasks
Ari Visa | Jarmo Toivonen | Tomi Vesanen | Jarno Mäkinen | Barbro Back | Hannu Vanharanta

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Incremental Learning for Profile Training in Adaptive Document Filtering
Liang Ma | Qunxiu Chen | Shaoping Ma | Min Zhang | Lianhong Cai

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Incremental Retrieval of Documents Relevant to a Topic
Caroline Lyon | Bob Dickerson | James A. Malcolm

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Novel Results and Some Answers - The University of Iowa TREC 11 Results
David Eichmann | Padmini Srinivasan

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Classifier Stacking and Voting for Text Filtering
Rada Mihalcea

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TREC: Question Answering

Overview papers:

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Overview of the TREC 2002 Novelty Track
Donna Harman

Participant papers:

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Information Filtering, Novelty Detection, and Named-Page Finding
Kevyn Collins-Thompson | Paul Ogilvie | Yi Zhang | Jamie Callan

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Experiments in Novelty Detection at Columbia University
Barry Schiffman

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Novelty Track at IRIT-SIG
Taoufiq Dkaki | Josiane Mothe | Jérôme Augé

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Novelty Track at IRIT-SIG
Taoufiq Dkaki | Josiane Mothe | Jérôme Augé

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Novelty Track at IRIT-SIG
Taoufiq Dkaki | Josiane Mothe | Jérôme Augé

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Some Similarity Computation Methods in Novelty Detection
Ming-Feng Tsai | Hsin-Hsi Chen

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A Machine Learning Approach for QA and Novelty Tracks: NTT System Description
Hideto Kazawa | Tsutomu Hirao | Hideki Isozaki | Eisaku Maeda

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TREC 2002 Web, Novelty and Filtering Track Experiments using PIRCS
Kui-Lam Kwok | Peter Deng | Norbert Dinstl | M. Chan

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A Crude Cut at Query Expansion
Philip Rennert

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THU TREC 2002: Novelty Track Experiments
Min Zhang | Ruihua Song | Chuan Lin | Shaoping Ma | Zhe Jiang | Yijiang Jin | Yiqun Liu | Le Zhao

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The University of Amsterdam at CLEF 2002
Christof Monz | Jaap Kamps | Maarten de Rijke

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Novel Results and Some Answers - The University of Iowa TREC 11 Results
David Eichmann | Padmini Srinivasan

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UMass at TREC 2002: Cross Language and Novelty Tracks
Leah S. Larkey | James Allan | Margaret E. Connell | Alvaro Bolivar | Courtney Wade

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The University of Michigan at TREC 2002: Question Answering and Novelty Tracks
Hong Qi | Jahna Otterbacher | Adam Winkel | Dragomir R. Radev

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TREC: Video

Overview papers:

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Overview of the TREC 2002 Question Answering Track
Ellen M. Voorhees

Participant papers:

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Question Answering Approach Using a WordNet-based Answer Type Taxonomy
Seung-Hoon Na | In-Su Kang | Sang-Yool Lee | Jong-Hyeok Lee

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TREC 2002 QA at BBN: Answer Selection and Confidence Estimation
Jinxi Xu | Ana Licuanan | Jonathan May | Scott Miller | Ralph M. Weischedel

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The JAVELIN Question-Answering System at TREC 2002
Eric Nyberg | Teruko Mitamura | Jaime G. Carbonell | James P. Callan | Kevyn Collins-Thompson | Krzysztof Czuba | Michael Duggan | Laurie Hiyakumoto | N. Hu | Yifen Huang | Jeongwoo Ko | Lucian Vlad Lita | S. Murtagh | Vasco Pedro | David Svoboda

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Question Answering Using XML-Tagged Documents
Kenneth C. Litkowski

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Building a Foundation System for Producing Short Answers to Factual Questions
Sameer S. Pradhan | Valerie Krugler | Steven Bethard | Wayne H. Ward | Daniel Jurafsky | James H. Martin | Sasha Blair-Goldensohn | Andrew Hazen Schlaikjer | Elena Filatova | Pablo Ariel Duboue | Hong Yu | Rebecca J. Passonneau | Vasileios Hatzivassiloglou | Kathleen R. McKeown | Gabriel Illouz

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The QUANTUM Question Answering System at TREC 11
Luc Plamondon | Guy Lapalme | Leila Kosseim

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FDU at TREC 2002: Filtering, Q&A, Web and Video Tasks
Lide Wu | Xuanjing Huang | Junyu Niu | Yingju Xia | Zhe Feng | Yaqian Zhou

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IBM's Statistical Question Answering System-TREC 11
Abraham Ittycheriah | Salim Roukos

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A Multi-Strategy and Multi-Source Approach to Question Answering
Jennifer Chu-Carroll | John M. Prager | Christopher A. Welty | Krzysztof Czuba | David A. Ferrucci

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Use of Patterns for Detection of Likely Answer Strings: A Systematic Approach
Martin M. Soubbotin | Sergei M. Soubbotin

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Mining Knowledge from Repeated Co-Occurrences: DIOGENE at TREC 2002
Bernardo Magnini | Matteo Negri | Roberto Prevete | Hristo Tanev

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LCC Tools for Question Answering
Dan I. Moldovan | Sanda M. Harabagiu | Roxana Girju | Paul Morarescu | V. Finley Lacatusu | Adrian Novischi | Adriana Badulescu | Orest Bolohan

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Coupling Named Entity Recognition, Vector-Space Model and Knowledge Bases for TREC 11 Question Answering Track
Patrice Bellot | Eric Crestan | Marc El-Bèze | Laurent Gillard | Claude de Loupy

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The Question Answering System QALC at LIMSI, Experiments in Using Web and WordNet
Gaël de Chalendar | Tiphaine Dalmas | Faiïza Elkateb-Gara | Olivier Ferret | Brigitte Grau | Martine Hurault-Plantet | Gabriel Illouz | Laura Monceaux | Isabelle Robba | Anne Vilnat

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Building a Foundation System for Producing Short Answers to Factual Questions
Sameer S. Pradhan | Valerie Krugler | Steven Bethard | Wayne H. Ward | Daniel Jurafsky | James H. Martin | Sasha Blair-Goldensohn | Andrew Hazen Schlaikjer | Elena Filatova | Pablo Ariel Duboue | Hong Yu | Rebecca J. Passonneau | Vasileios Hatzivassiloglou | Kathleen R. McKeown | Gabriel Illouz

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Extracting Answers from the Web Using Data Annotation and Knowledge Mining Techniques
Jimmy Lin | Aaron Fernandes | Boris Katz | Gregory Marton | Stefanie Tellex

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MITRE's Qanda at TREC-11
John D. Burger | Lisa Ferro | Warren R. Greiff | John C. Henderson | Scott A. Mardis | Alexander A. Morgan | Marc Light

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A Machine Learning Approach for QA and Novelty Tracks: NTT System Description
Hideto Kazawa | Tsutomu Hirao | Hideki Isozaki | Eisaku Maeda

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The Integration of Lexical Knowledge and External Resources for Question Answering
Hui Yang | Tat-Seng Chua

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Web Based Pattern Mining and Matching Approach to Question Answering
Dell Zhang | Wee Sun Lee

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Question Answering Approach Using a WordNet-based Answer Type Taxonomy
Seung-Hoon Na | In-Su Kang | Sang-Yool Lee | Jong-Hyeok Lee

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Coupling Named Entity Recognition, Vector-Space Model and Knowledge Bases for TREC 11 Question Answering Track
Patrice Bellot | Eric Crestan | Marc El-Bèze | Laurent Gillard | Claude de Loupy

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Web Based Pattern Mining and Matching Approach to Question Answering
Dell Zhang | Wee Sun Lee

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Question Answering: CNLP at the TREC 2002 Question Answering Track
Anne Diekema | Jiangping Chen | Nancy J. McCracken | Necati Ercan Ozgencil | Mary D. Taffet | Özgür Yilmazel | Elizabeth D. Liddy

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University of Alicante Experiments at TREC 2002
José Luis Vicedo González | Fernando Llopis | Antonio Ferrández Rodríguez

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The University of Amsterdam at CLEF 2002
Christof Monz | Jaap Kamps | Maarten de Rijke

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Building a Foundation System for Producing Short Answers to Factual Questions
Sameer S. Pradhan | Valerie Krugler | Steven Bethard | Wayne H. Ward | Daniel Jurafsky | James H. Martin | Sasha Blair-Goldensohn | Andrew Hazen Schlaikjer | Elena Filatova | Pablo Ariel Duboue | Hong Yu | Rebecca J. Passonneau | Vasileios Hatzivassiloglou | Kathleen R. McKeown | Gabriel Illouz

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Question-Answering via Enhanced Understanding of Questions
Dan Roth | Chad M. Cumby | Xin Li | Paul Morie | Ramya Nagarajan | Nick Rizzolo | Kevin Small | Wen-tau Yih

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Novel Results and Some Answers - The University of Iowa TREC 11 Results
David Eichmann | Padmini Srinivasan

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MITRE's Qanda at TREC-11
John D. Burger | Lisa Ferro | Warren R. Greiff | John C. Henderson | Scott A. Mardis | Alexander A. Morgan | Marc Light

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Question Answering Using the DLT System at TREC 2002
Richard F. E. Sutcliffe

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The University of Michigan at TREC 2002: Question Answering and Novelty Tracks
Hong Qi | Jahna Otterbacher | Adam Winkel | Dragomir R. Radev

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The QUANTUM Question Answering System at TREC 11
Luc Plamondon | Guy Lapalme | Leila Kosseim

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PiQASso 2002
Giuseppe Attardi | Antonio Cisternino | Francesco Formica | Maria Simi | Alessandro Tommasi

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The University of Sheffield TREC 2002 Q&A System
Mark A. Greenwood | Ian Roberts | Robert J. Gaizauskas

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Natural Language Based Reformulation Resource and Wide Exploitation for Question Answering
Ulf Hermjakob | Abdessamad Echihabi | Daniel Marcu

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Statistical Selection of Exact Answers (MultiText Experiments for TREC 2002)
Charles L. A. Clarke | Gordon V. Cormack | Graeme Kemkes | M. Laszlo | Thomas R. Lynam | Egidio L. Terra | Philip L. Tilker

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The YorkQA Prototype Question Answering System
Marco De Boni | José-Luis Jara-Valencia | Suresh Manandhar

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TREC: Web

Participant papers:

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Video Classification and Retrieval with the Informedia Digital Video Library System
Alexander G. Hauptmann | Rong Yan | Yanjun Qi | Rong Jin | Michael G. Christel | Mark Derthick | Ming-Yu Chen | Robert V. Baron | Wei-Hao Lin | Tobun D. Ng

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CLIPS at TREC 11: Experiments in Video Retrieval
Georges Quénot | Daniel Moraru | Laurent Besacier | Philippe Mulhem

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IBM Research TREC 2002 Video Retrieval System
Bill Adams | Giridharan Iyengar | Chalapathy Neti | Harriet J. Nock | Arnon Amir | Haim H. Permuter | Savitha Srinivasan | Chitra Dorai | Alejandro Jaimes | Christian A. Lang | Ching-Yung Lin | Apostol Natsev | Milind R. Naphade | John R. Smith | Belle L. Tseng | Sugata Ghosal | Raghavendra Singh | T. V. Ashwin | DongQing Zhang

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CWI at the TREC 2002 Video Track
Thijs Westerveld | Arjen P. de Vries | Alex van Ballegooij

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Experiments in 8 European Languages with Hummingbird SearchServer™ at CLEF2002
Stephen Tomlinson

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Dublin City University Video Track Experiments for TREC 2002
Paul Browne | Csaba Czirjek | Cathal Gurrin | Roman Jarina | Hyowon Lee | Seán Marlow | Kieran McDonald | Noel Murphy | Noel E. O'Connor | Alan F. Smeaton | Jiamin Ye

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FDU at TREC 2002: Filtering, Q&A, Web and Video Tasks
Lide Wu | Xuanjing Huang | Junyu Niu | Yingju Xia | Zhe Feng | Yaqian Zhou

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Semantic Feature Extraction using Mpeg Macro-block Classification
Fabrice Souvannavong | Bernard Mérialdo | Benoit Huet

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IBM Research TREC 2002 Video Retrieval System
Bill Adams | Giridharan Iyengar | Chalapathy Neti | Harriet J. Nock | Arnon Amir | Haim H. Permuter | Savitha Srinivasan | Chitra Dorai | Alejandro Jaimes | Christian A. Lang | Ching-Yung Lin | Apostol Natsev | Milind R. Naphade | John R. Smith | Belle L. Tseng | Sugata Ghosal | Raghavendra Singh | T. V. Ashwin | DongQing Zhang

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IBM Research TREC 2002 Video Retrieval System
Bill Adams | Giridharan Iyengar | Chalapathy Neti | Harriet J. Nock | Arnon Amir | Haim H. Permuter | Savitha Srinivasan | Chitra Dorai | Alejandro Jaimes | Christian A. Lang | Ching-Yung Lin | Apostol Natsev | Milind R. Naphade | John R. Smith | Belle L. Tseng | Sugata Ghosal | Raghavendra Singh | T. V. Ashwin | DongQing Zhang

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IBM Research TREC 2002 Video Retrieval System
Bill Adams | Giridharan Iyengar | Chalapathy Neti | Harriet J. Nock | Arnon Amir | Haim H. Permuter | Savitha Srinivasan | Chitra Dorai | Alejandro Jaimes | Christian A. Lang | Ching-Yung Lin | Apostol Natsev | Milind R. Naphade | John R. Smith | Belle L. Tseng | Sugata Ghosal | Raghavendra Singh | T. V. Ashwin | DongQing Zhang

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Video Searching and Browsing Using Viewfinder
Dan E. Albertson | Javed Mostafa | John Fieber

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Video Retrieval by Feature Learning in Key Frames
Marcus Jerome Pickering | Stefan M. Rüger | David Sinclair

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TREC Feature Extraction by Active Learning
Jeroen Vendrig | Ioannis Patras | Cees Snoek | Marcel Worring | Jurgen den Hartog | Stephan Raaijmakers | Jeroen van Rest | David A. van Leeuwen

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TREC Feature Extraction by Active Learning
Jeroen Vendrig | Ioannis Patras | Cees Snoek | Marcel Worring | Jurgen den Hartog | Stephan Raaijmakers | Jeroen van Rest | David A. van Leeuwen

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Experiments in 8 European Languages with Hummingbird SearchServer™ at CLEF2002
Stephen Tomlinson

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Temporal Multi-Resolution Framework for Shot Boundary Detection and Keyframe Extraction
A. Chandrashekhara | HuaMin Feng | Tat-Seng Chua

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Shot Boundary Detection Using the Moving Query Window
Seyed M. M. Tahaghoghi | James A. Thom | Hugh E. Williams

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TREC Feature Extraction by Active Learning
Jeroen Vendrig | Ioannis Patras | Cees Snoek | Marcel Worring | Jurgen den Hartog | Stephan Raaijmakers | Jeroen van Rest | David A. van Leeuwen

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Automatic Shot Boundary Detection and Classification of Indoor and Outdoor Scenes
Andrea Miene | Thorsten Hermes | George T. Ioannidis | R. Fathi | Otthein Herzog

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Video Retrieval by Feature Learning in Key Frames
Marcus Jerome Pickering | Stefan M. Rüger | David Sinclair

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Video Indexing and Retrieval at UMD
Christian Wolf | David S. Doermann | Mika Rautiainen

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Video Indexing and Retrieval at UMD
Christian Wolf | David S. Doermann | Mika Rautiainen

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NTCIR: Cross Lingual Information Retrieval Task (CLIR)

Overview papers:

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Overview of CLIR Task at the Third NTCIR Workshop
Kuang-hua Chen | Hsin-Hsi Chen | Noriko Kando | Kazuko Kuriyama | Sukhoon Lee | Sung-Hyon Myaeng | Kazuaki Kishida | Koji Eguchi | Hyeon Kim

Participant papers:

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Characteristics of the Korean Test Collection for CLIR in NTCIR-3
Sukhoon Lee | Sung-Hyon Myaeng | Hyeon Kim | Jerry H. Seo | Buil Lee | Sukhyun Cho

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NTCIR-3 Chinese, Cross Language Retrieval Experiments Using PIRCS
K. L. Kwok

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Toshiba KIDS at NTCIR-3: Japanese and English-Japanese IR
Tetsuya Sakai | Makoto Koyama | Masaru Suzuki | Toshihiko Manabe

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Thomson Legal and Regulatory at NTCIR-3: Japanese, Chinese and English Retrieval Experiments
Isabelle Moulinier | Hugo Molina-Salgado | Peter Jackson

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Asian Language Parsing Evaluated by Hummingbird SearchServer^at NTCIR-3
Stephen Tomlinson

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KUNLP System for NTCIR-3 English-Korean Cross-Language Information Retrieval
Hee-Cheol Seo | Sang-Bum Kim | Baeg-Il Kim | Hae-Chang Rim | Sang-Zoo Lee

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Deciding Indexing Strings with Statistical Analysis
Yoshiyuki Takeda | Kyoji Umemura | Eiko Yamamoto

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

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Different Retrieval Models and Hybrid Term Indexing
Robert W. P. Luk

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Description of NTU Approach to NTCIR3 Multilingual Information Retrieval
Wen-Cheng Lin | Hsin-Hsi Chen

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NTCIR-3 CLIR Experiments at MSRA
Hongzhao He | Jianfeng Gao

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CMU in Cross-Language Information Retrieval at NTCIR-3
Yiming Yang | Nianli Ma

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ISCAS at NTCIR-3: Monolingual, Bilingual and MultiLingual IR Tasks
Junlin Zhang | Le Sun | Weimin Qu | Lin Du | Yufang Sun | Yangxing Fan | Zhigen Lin

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NTCIR-3 Cross-Language IR Experiments at ULIS
Atsushi Fujii | Tetsuya Ishikawa

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Chinese Language IR based on Term Extraction
Donghong Ji | Lingpeng Yang | Yu Nie

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Uniform Indexing and Retrieval Scheme for Chinese, Japanese, and Korean
Da-Wei Juang | Yuen-Hsien Tseng

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Knowledge-light Asian Language Text Retrieval at the NTCIR-3 Workshop
Paul McNamee

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NTCIR-3 CLIR Experiments at Osaka Kyoiku University - Comparison of Gram-based Indices
Takashi Sato | Koto Han

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OASIS at NTCIR-3: Monolingual IR Task
Vitaliy Kluev

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Waterloo at NTCIR-3: Using Self-supervised Word Segmentation
Xiangji Huang | Fuchun Peng | Dale Schuurmans | Nick Cercone

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POSNIR: Probabilistic Natural Language Information Retrieval System
Changki Lee | Seungwoo Lee | Gary Geunbae Lee

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Experiments on Cross-language and Patent Retrieval at NTCIR-3 Workshop
Aitao Chen | Fredric C. Gey

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Simple Query Translation Methods for Korean-English and Korean-Chinese CLIR in NTCIR Experiments
Myung-Gil Jang | Pyung Kim | Yun Jin | Sukhyun Cho | Sung-Hyon Myaeng

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NTCIR: Question Answering Challenge (QAC)

Overview papers:

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Question Answering Challenge (QAC-1): An Evaluation of Question Answering Task at NTCIRWorkshop 3
Jun-ichi Fukumoto | Tsuneaki Kato | Fumito Masui

Participant papers:

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Towards Speech-Driven Question Answering: Experiments Using the NTCIR-3 Question Answering Collection
Tomoyosi Akiba | Katunobu Itou | Atsushi Fujii | Tetsuya Ishikawa

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Oki QA System for QAC-1
Atsushi Ikeno | Hiroyuki Ohnuma

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Question and Answering System based on Predicate-Argument Matching
Daisuke Kawahara | Nobuhiro Kaji | Sadao Kurohashi

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QUARK: A Question and Answering System using Newspaper Corpus as a Knowledge Source
Keizo Kawata | Hiroyuki Sakai | Shigeru Masuyama

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SiteQ/J: A Question Answering System for Japanese
Seungwoo Lee | Gary Geunbae Lee

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A* Search Algorithm for Question Answering
Tatsunori Mori | Tomohiro Ohta | Katsuyuki Fujihata | Ryutaro Kumon

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A Question-Answering System Using Unit Estimation and Probabilistic Near-Terms IR
Masaki Murata | Masao Utiyama | Hitoshi Isahara

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NTCIR-3 QAC Experiments at Matsushita
Masako Nomoto | Mitsuhiro Sato | Hiroyuki Suzuki

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NTT's QA Systems for NTCIR QAC-1
Yutaka Sasaki | Hideki Isozaki | Tsutomu Hirao | Koji Kokuryou | Eisaku Maeda

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Answer Extraction System by Question Type from Query-Biased Summary for Newspaper Articles
Yohei Seki

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NYU/CRL QA System, QAC Question Analysis and CRL QA Data
Satoshi Sekine | Kiyoshi Sudo | Yusuke Shinyama | Chikashi Nobata | Kiyotaka Uchimoto | Hitoshi Isahara

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Applying Structural Matching and Paraphrasing
Tetsuro Takahashi | Kozo Nawata | Kentaro Inui | Shinya Kouda

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NTT DATA Question-Answering Experiment at the NTCIR-3 QAC
Toru Takaki | Yoshio Eriguchi

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Exploitation of Newspaper-article Characteristics for Article Retrieval and Answer Extraction in QAC Task 2
Ruck Thawonmas | Takayuki Tomoike | Tomohiko Kawachi | Akio Sakamoto

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MAIMAI: A Question Answering System at NTCIR3 QAC-1
Fumito Masui | Masayuki Miyaguchi

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RitsQA: Ritsumeikan Question Answering System used for QAC-1
Jun-ichi Fukumoto | Tetsuya Endo | Tatsuhiro Niwa

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NTCIR: Text Summarization Challenge (TSC)

Overview papers:

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Text Summarization Challenge 2: Text Summarization Evaluation at NTCIR Workshop3
Takahiro Fukusima | Manabu Okumura | Hidetsugu Nanba

Participant papers:

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Text Summarization based on Itemized Sentences and Similar Parts Detection between Documents
Junichi Fukumoto

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NTT/NAIST's Text Summarization Systems for TSC-2
Tsutomu Hirao | Kazuhiro Takeuchi | Hideki Isozaki | Yutaka Sasaki | Eisaku Maeda

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Trainable Automatic Text Summarization Using Segmentation of Sentence
Kai Ishikawa | Shinichi Ando | Shinichi Doi | Akitoshi Okumura

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Information Gain Ratio meets Maximal Marginal Relevance - A method of Summarization for Multiple Documents
Tatsunori Mori | Takuro Sasaki

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A Summarization System with Categorization of Document Sets
Chikashi Nobata | Satoshi Sekine | Kiyotaka Uchimoto | Hitoshi Isahara

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Two Different Summarization Methods at NTCIR3-TSC2: Coverage Oriented and Focus Oriented
Naoaki Okazaki | Yutaka Matsuo | Naohiro Matsumura | Hironori Tomobe | Mitsuru Ishizuka

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Unsupervised Acquisition of Knowledge about the Abbreviation Possibility of some of Multiple Phrases modifying the same Verb/Noun
Hiroyuki Sakai | Shigeru Masuyama

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Sentence Extraction by tf/idf and Position Weighting from Newspaper Articles
Yohei Seki