This book constitutes the thoroughly refereed proceedings of the 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, held in Budapest, Hungary, September 2007.
The revised and extended papers were carefully reviewed and selected for inclusion in the book. There are 115 contributions in total and an introduction. The seven distrinct evaluation tracks in CLEF 2007, are designed to test the performance of a wide range of multilingual information access systems or system components. The papers are organized in topical sections on Multilingual Textual Document Retrieval (Ad Hoc), Domain-Specific Information Retrieval (Domain-Specific), Multiple Language Question Answering (QA@CLEF), cross-language retrieval in image collections (Image CLEF), cross-language speech retrieval (CL-SR), multilingual Web retrieval (WebCLEF), cross-language geographical retrieval (GeoCLEF), and CLEF in other evaluations.
págs. 13-31
Charles University at CLEF 2007 Ad-Hoc Track
Pavel Ceska, Pavel Pecina
págs. 33-36
Stemming Approaches for East European Languages
Ljiljana Dolamic, Jacques Savoy
págs. 37-44
págs. 45-48
Bulgarian, Hungarian and Czech Stemming Using YASS
Prasenjit Majumder, Mandar Mitra, Dipasree Pal
págs. 49-56
Sampling Precision to Depth 10000 at CLEF 2007
Stephen Tomlinson
págs. 57-62
Disambiguation and Unknown Term Translation in Cross Language Information Retrieval
Dong Zhou, Mark Truran, Tim Brailsford
págs. 64-71
Cross-Language Retrieval with Wikipedia
Péter Schönhofen, András Benczúr, István Bíró, Károly Csalogány
págs. 72-79
Cross-Lingual Information Retrieval System for Indian Languages
Jagadeesh Jagarlamudi, A. Kumaran
págs. 80-87
Bengali, Hindi and Telugu to English Ad-Hoc Bilingual Task at CLEF 2007
Sivaji Bandyopadhyay, Tapabrata Mondal, Sudip Kumar Naskar, Asif Ekbal, Rejwanul Haque, Srinivasa Rao Godhavarthy
págs. 88-94
Bengali and Hindi to English CLIR Evaluation
Debasis Mandal, Mayank Gupta, Sandipan Dandapat, Pratyush Banerjee, Sudeshna Sarkar
págs. 95-102
Improving Recall for Hindi, Telugu, Oromo to English CLIR
Prasad Pingali, Kula Kekeba Tune, Vasudeva Varma
págs. 103-110
Hindi to English and Marathi to English Cross Language Information Retrieval Evaluation
Manoj Kumar Chinnakotla, Sagar Ranadive, Om P. Damani, Pushpak Bhattacharyya
págs. 111-118
Amharic-English Information Retrieval with Pseudo Relevance Feedback
Atelach Alemu Argaw
págs. 119-126
Indonesian-English Transitive Translation for Cross-Language Information Retrieval
Mirna Adriani, Herika Hayurani, Syandra Sari
págs. 127-132
Robust Retrieval Experiments at the University of Hildesheim
Ben Heuwing, Thomas Mandl
págs. 134-136
págs. 137-142
Improving Robustness Using Query Expansion
Ángel Francisco Zazo Rodríguez , José Luis Alonso Berrocal , Luis Carlos García de Figuerola Paniagua
págs. 143-147
English-to-French CLIR: A Knowledge-Light Approach through Character N-Grams Alignment
Jesús Vilares , Michael P. Oakes, Manuel Vilares Ferro
págs. 148-155
MIRACLE Progress in Monolingual Information Retrieval at Ad-Hoc CLEF 2007
José Carlos González Cristobal , José Miguel Goñi Menoyo, Julio Villena Román, Sara Lana Serrano
págs. 156-157
The Domain-Specific Track at CLEF 2007
Vivien Petras, Stefan Baerisch, Maximillian Stempfhuber
págs. 160-173
The XTRIEVAL Framework at CLEF 2007: Domain-Specific Track
Jen Kürsten, Thomas Wilhelm, Maximilian Eibl
págs. 174-181
Query Translation through Dictionary Adaptation
Stephane Clinchant, Jean-Michel Renders
págs. 182-187
Experiments in Classification Clustering and Thesaurus Expansion for Domain Specific Cross-Language Retrieval
Ray R. Larson
págs. 188-195
Domain-Specific IR for German, English and Russian Languages
Claire Fautsch, Ljiljana Dolamic, Samir Abdou, Jacques Savoy
págs. 196-197
Overview of the CLEF 2007 Multilingual Question Answering Track
Danilo Giampiccolo, Pamela Forner, Jesús Herrera, Anselmo Peñas Padilla , Christelle Ayache, Corina Forascu, Valentin Jijkoun, Petya Osenova, Paulo Rocha, Bogdan Sacaleanu, Richard F. E. Sutcliffe
págs. 200-236
Overview of the Answer Validation Exercise 2007
Anselmo Peñas Padilla , Álvaro Rodrigo Yuste, María Felisa Verdejo Maíllo
págs. 237-248
Jordi Turmo , Pere R. Comas, Christelle Ayache, Djamel Mostefa, Sophie Rosset , Lori Lamel
págs. 249-254
Question Answering with Joost at CLEF 2007
Gosse Bouma, Geert Kloosterman, Jori Mur, Gertjan van Noord, Lonneke van der Plas, Jörg Tiedemann
págs. 257-260
págs. 261-268
Coreference Resolution for Questions and Answer Merging by Validation
Sven Hartrumpf, Ingo Glöckner, Johannes Leveling
págs. 269-272
Multilingual Question Answering through Intermediate Translation: LCC’s PowerAnswer at QA@CLEF 2007
Mitchell Bowden, Marian Olteanu, Pasin Suriyentrakorn, Thomas d’Silva, Dan I. Moldovan
págs. 273-283
RACAI’s Question Answering System at QA@CLEF2007
págs. 284-291
págs. 292-299
University of Wolverhampton at CLEF 2007
Georgiana Puscasu, Constantin Orasan
págs. 300-307
Bilingual Question Answering Using CINDI QA at QA@CLEF 2007
Chedid Haddad, Bipin C. Desai
págs. 308-315
págs. 316-323
Web-Based Anaphora Resolution for the QUASAR Question Answering System
Davide Buscaldi , Yassine Benajiba, Paolo Rosso , Emilio Sanchís Arnal
págs. 324-327
A Lexical Approach for Spanish Question Answering
Alberto Téllez, Antonio Juárez, Gustavo Hernández, Claudia Denicia, Esaú Villatoro-Tello, Manuel Montes, Luis Villaseñor
págs. 328-331
Finding Answers Using Resources in the Internet
Adrian Iftene, Diana Trandabat, Ionut Pistol, Alex Moruz, Alexandra Balahur Dobrescu , Diana Cotelea, Iustin Dornescu, Iuliana Draghici, Dan Cristea
págs. 336-343
The University of Amsterdam’s Question Answering System at QA@CLEF 2007
Valentin Jijkoun, Katja Hofmann, David Ahn, Mahboob Alam Khalid, Joris van Rantwijk, Maarten de Rijke , Erik Tjong Kim Sang
págs. 344-351
Combining Wikipedia and Newswire Texts for Question Answering in Spanish
César de Pablo Sánchez, José L. Martínez Fernández, Ana González Ledesma, Doaa Samy , Paloma Martínez Fernández , Antonio Moreno Sandoval , Harith T. Al-Jumaily
págs. 352-355
QA@L2F, First Steps at QA@CLEF
Ana Mendes, Luísa Coheur, Nuno Mamede, Ricardo Ribeiro, Fernando Bastida, David Martins de Matos
págs. 356-363
Priberam’s Question Answering System in QA@CLEF 2007
Carlos Amaral, Adán Cassán, Helena Figueira, André Martins, Alfonso Mendes, Pedro Mendes, Cláudia Pinto, Daniel Vidal
págs. 364-369
Combining Logic and Aggregation for Answer Selection
Ingo Glöckner
págs. 372-376
On the Application of Lexical-Syntactic Knowledge to the Answer Validation Exercise
Óscar Ferrández Escámez, Daniel Micol Ponce, Rafael Muñoz Gil, Manuel Palomar Sanz
págs. 377-380
Combining Lexical Information with Machine Learning for Answer Validation at QA@CLEF 2007
Miguel Ángel García Cumbreras , José Manuel Perea Ortega , Fernando Martínez Santiago , Luis Alfonso Ureña López
págs. 381-386
págs. 387-390
A Supervised Learning Approach to Spanish Answer Validation
Alberto Téllez Valero, Manuel Montes y Gómez, Luis Villaseñor Pineda
págs. 391-394
UAIC Participation at AVE 2007
Adrian Iftene, Alexandra Balahur Dobrescu
págs. 395-403
UNED at Answer Validation Exercise 2007
Álvaro Rodrigo Yuste, Anselmo Peñas Padilla , María Felisa Verdejo Maíllo
págs. 404-407
págs. 410-413
The LIMSI Participation in the QAst Track
págs. 414-423
Robust Question Answering for Speech Transcripts Using Minimal Syntactic Analysis
Pere R. Comas, Jordi Turmo , Mihai Surdeanu
págs. 424-430
Overview of the ImageCLEFphoto 2007 Photographic Retrieval Task
Michael Grubinger, Paul Clough, Allan Hanbury, Henning Müller
págs. 433-444
Overview of the ImageCLEF 2007 Object Retrieval Task
Thomas Deselaers, Allan Hanbury, Ville Viitaniemi, András Benczúr, Mátyás Brendel, Bálint Daróczy, Hugo Jair Escalante , Theo Gevers, Carlos Arturo Hernández Gracidas, Steven C. H. Hoi, Jorma Laaksonen, Mingjing Li, Heidy Marisol Marín Castro, Hermann Ney , Xiaoguang Rui, Nicu Sebe, Julian Stöttinger, Lei Wu
págs. 445-471
Overview of the ImageCLEFmed 2007 Medical Retrieval and Medical Annotation Tasks
Henning Müller, Thomas Deselaers, Thomas M. Deserno, Jayashree Kalpathy–Cramer, Eugene Kim, William Hersh
págs. 472-490
FIRE in ImageCLEF 2007: Support Vector Machines and Logistic Models to Fuse Image Descriptors for Photo Retrieval
págs. 492-499
MIRACLE at ImageCLEFphoto 2007: Evaluation of Merging Strategies for Multilingual and Multimedia Information Retrieval
Julio Villena Román, Sara Lana Serrano, José Luis Martínez Fernández, José Carlos González Cristobal
págs. 500-503
Using an Image-Text Parallel Corpus and the Web for Query Expansion in Cross-Language Image Retrieval
Yih-Chen Chang, Hsin-Hsi Chen
págs. 504-511
SINAI System: Combining IR Systems at ImageCLEFPhoto 2007
Miguel Ángel García Cumbreras , Manuel Carlos Díaz Galiano , M. T. Martín Valdivia, Arturo Montejo Ráez , Luis Alfonso Ureña López
págs. 512-517
Multimodal Retrieval by Text–Segment Biclustering
András Benczúr, István Bíró, Mátyás Brendel, Károly Csalogány, Bálint Daróczy, Dávid Siklósi
págs. 518-521
Sergio Navarro Ramírez, Fernando Llopis, Rafael Muñoz Guillena , Elisa Noguera Robles
págs. 522-529
DCU and UTA at ImageCLEFPhoto 2007
Anni Järvelin, Peter Wilkins, Tomasz Adamek, Eija Airio, Gareth J. F. Jones, Alan F. Smeaton, Eero Sormunen
págs. 530-537
Cross-Language and Cross-Media Image Retrieval: An Empirical Study at ImageCLEF2007
Steven C.H. Hoi
págs. 538-545
Towards Annotation-Based Query and Document Expansion for Image Retrieval
Hugo Jair Escalante , Carlos Hernández Sacristán, Aurelio López, Heidy Marín, Manuel Montes, Eduardo Morales, Enrique Sucar, Luis Villaseñor
págs. 546-553
Content-Based Image Retrieval Using Combined 2D Attribute Pattern Spectra
Florence Tushabe, Micahel H. F. Wilkinson
págs. 554-561
Text-Based Clustering of the ImageCLEFphoto Collection for Augmenting the Retrieved Results
págs. 562-568
Trans-Media Pseudo-Relevance Feedback Methods in Multimedia Retrieval
Stephane Clinchant, Jean Michel Renders, Gabriela Csurka
págs. 569-575
Cue Integration for Medical Image Annotation
Tatiana Tommasi, Francesco Orabona, Barbara Caputo
págs. 577-584
Multiplying Concept Sources for Graph Modeling
Loic Maisonnasse, Eric Gaussier, Jean Pierre Chevallet
págs. 585-592
MIRACLE at ImageCLEFmed 2007: Merging Textual and Visual Strategies to Improve Medical Image Retrieval
Julio Villena Román, Sara Lana Serrano, José Carlos González Cristobal
págs. 593-596
MIRACLE at ImageCLEFanot 2007: Machine Learning Experiments on Medical Image Annotation
Sara Lana Serrano, Julio Villena Román, José Carlos González Cristobal , José Miguel Goñi Menoyo
págs. 597-600
Integrating MeSH Ontology to Improve Medical Information Retrieval
Manuel Carlos Díaz Galiano , Miguel Ángel García Cumbreras , M. T. Martín Valdivia, Arturo Montejo Ráez , Luis Alfonso Ureña López
págs. 601-606
Speeding Up IDM without Degradation of Retrieval Quality
Michael Springmann, Heiko Schuldt
págs. 607-614
Content-Based Medical Image Retrieval Using Low-Level Visual Features and Modality Identification
págs. 615-622
Medical Image Retrieval and Automatic Annotation: OHSU at ImageCLEF 2007
Jayashree Kalpathy-Cramer, William Hersh
págs. 623-630
Using Bayesian Network for Conceptual Indexing: Application to Medical Document Indexing with UMLS Metathesaurus
Thi Hoang Diem Le, Jean Pierre Chevallet, Joo Hwee Lim
págs. 631-636
Baseline Results for the ImageCLEF 2007 Medical Automatic Annotation Task Using Global Image Features
Mark O. Güld, Thomas M. Deserno
págs. 637-640
Evaluation of Automatically Assigned MeSH Terms for Retrieval of Medical Images
Miguel E. Ruiz, Aurélie Névéol
págs. 641-647
University and Hospitals of Geneva Participating at ImageCLEF 2007
Xin Zhou, Julien Gobeill, Patrick Ruch, Henning Müller
págs. 649-656
An Interactive and Dynamic Fusion-Based Image Retrieval Approach by CINDI
M. M. Rahman, B. C. Desai, P. Bhattacharya
págs. 657-664
Using Pseudo-Relevance Feedback to Improve Image Retrieval Results
Mouna Torjmen, Karen Pinel Sauvagnat, Mohand Boughanem
págs. 665-672
Overview of the CLEF-2007 Cross-Language Speech Retrieval Track
Pavel Pecina, Petra Hoffmannová, Gareth J. F. Jones, Ying Zhang, Douglas W. Oard
págs. 674-686
A Dirichlet-Smoothed Bigram Model for Retrieving Spontaneous Speech
Matthew Lease, Eugene Charniak
págs. 687-694
Model Fusion Experiments for the CLSR Task at CLEF 2007
Muath Alzghool, Diana Inkpen
págs. 695-702
Dublin City University at CLEF 2007: Cross-Language Speech Retrieval Experiments
Ying Zhang, Gareth J. F. Jones, Ke Zhang
págs. 703-711
What Can and Cannot Be Found in Czech Spontaneous Speech Using Document-Oriented IR Methods—UWB at CLEF 2007 CL-SR Track
Pavel Ircing, Josef Psutka, Jan Vavruska
págs. 712-718
Using Information Gain to Filter Information in CLEF CL-SR Track
Manuel Carlos Díaz Galiano , M. T. Martín Valdivia, Miguel Ángel García Cumbreras , Luis Alfonso Ureña López
págs. 719-723
págs. 725-731
págs. 732-736
págs. 737-741
Using Web-Content for Retrieving Snippets
Okky Hendriansyah, Tri Firgantoro, Mirna Adriani
págs. 742-743
GeoCLEF 2007: The CLEF 2007 Cross-Language Geographic Information Retrieval Track Overview
Thomas Mandl, Fredric Gey, Giorgio Maria Di Nunzio, Nicola Ferro, Ray R. Larson, Mark Sanderson , Diana Santos, Christa Womser Hacker, Xing Xie
págs. 745-772
Inferring Location Names for Geographic Information Retrieval
Johannes Leveling, Sven Hartrumpf
págs. 773-780
GeoParsing Web Queries
Rocio Guillén
págs. 781-785
MIRACLE at GeoCLEF Query Parsing 2007: Extraction and Classification of Geographical Information
Sara Lana Serrano, Julio Villena Román, José Carlos González Cristobal , José Miguel Goñi Menoyo
págs. 786-793
Relevance Measures Using Geographic Scopes and Types
Geoffrey Andogah, Gosse Bouma
págs. 794-801
Using Geographic Signatures as Query and Document Scopes in Geographic IR
Nuno Cardoso, David Cruz Acevedo, Marcirio Chaves, Mário J. Silva
págs. 802-810
Cheshire at GeoCLEF 2007: Retesting Text Retrieval Baselines
Ray R. Larson
págs. 811-814
págs. 815-822
Filtering for Improving the Geographic Information Search
José Manuel Perea Ortega , Miguel Ángel García Cumbreras , Manuel García Vega, Luis Alfonso Ureña López
págs. 823-829
TALP at GeoCLEF 2007: Results of a Geographical Knowledge Filtering Approach with Terrier
Daniel Ferrés, Horacio Rodríguez Hontoria
págs. 830-833
TALP at GeoQuery 2007: Linguistic and Geographical Analysis for Query Parsing
Daniel Ferrés, Horacio Rodríguez Hontoria
págs. 834-837
Applying Geo-feedback to Geographic Information Retrieval
Mirna Adriani Nasikhin
págs. 838-841
Exploring LDA-Based Document Model for Geographic Information Retrieval
Zhisheng Li, Chong Wang, Xing Xie, Xufa Wang, Wei-Ying Ma
págs. 842-849
Mono- and Crosslingual Retrieval Experiments with Spatial Restrictions at GeoCLEF 2007
Ralph Kölle, Ben Heuwing, Thomas Mandl, Christa Womser-Hacker
págs. 850-855
GIR Experiments with Forostar
Simon Overell, Joáo Magalhaes, Stefan Rüger
págs. 856-862
Morpho Challenge Evaluation Using a Linguistic Gold Standard
Mikko Kurimo, Mathias Creutz, Matti Varjokallio
págs. 864-872
págs. 873-880
Unsupervised and Knowledge-Free Morpheme Segmentation and Analysis
Stefan Bordag
págs. 881-891
págs. 892-899
ParaMor: Finding Paradigms across Morphology
Christian Monson, Jaime Carbonell, Alon Lavie, Lori Levin
págs. 900-906
SemEval-2007 Task 01: Evaluating WSD on Cross-Language Information Retrieval
Eneko Agirre Bengoa , Oier Lopez de Lacalle, Bernardo Magnini , Arantxa Otegi Usandizaga , Germán Rigau Claramunt , Piek Vossen
págs. 908-918
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