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Advances in Multilingual and Multimodal Information Retrieval, 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Budapest, Hungary, September 19-21, 2007, Revised Selected Papers

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Advances in Multilingual and Multimodal Information Retrieval, 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Budapest, Hungary, September 19-21, 2007, Revised Selected Papers

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What Happened in CLEF 2007
Carol Peters

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CLEF 2007: Ad Hoc Track Overview
Giorgio Maria Di Nunzio | Nicola Ferro | Thomas Mandl | Carol Peters

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Charles University at CLEF 2007 Ad-Hoc Track
Pavel Ceska | Pavel Pecina

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Stemming Approaches for East European Languages
Ljiljana Dolamic | Jacques Savoy

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Applying Query Expansion Techniques to Ad Hoc Monolingual Tasks with the IR-n System
Elisa Noguera | Fernando Llopis

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Bulgarian, Hungarian and Czech Stemming Using YASS
Prasenjit Majumder | Mandar Mitra | Dipasree Pal

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Sampling Precision to Depth 10000 at CLEF 2007
Stephen Tomlinson

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Disambiguation and Unknown Term Translation in Cross Language Information Retrieval
Dong Zhou | Mark Truran | Tim J. Brailsford

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Cross-Language Retrieval with Wikipedia
Péter Schönhofen | András A. Benczúr | István Bíró | Károly Csalogány

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Cross-Lingual Information Retrieval System for Indian Languages
Jagadeesh Jagarlamudi | A. Kumaran

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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

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Bengali and Hindi to English CLIR Evaluation
Debasis Mandal | Mayank Gupta | Sandipan Dandapat | Pratyush Banerjee | Sudeshna Sarkar

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Improving Recall for Hindi, Telugu, Oromo to English CLIR
Prasad Pingali | Kula Kekeba Tune | Vasudeva Varma

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Hindi to English and Marathi to English Cross Language Information Retrieval Evaluation
Manoj Kumar Chinnakotla | Sagar Ranadive | Om P. Damani | Pushpak Bhattacharyya

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Amharic-English Information Retrieval with Pseudo Relevance Feedback
Atelach Alemu Argaw

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Indonesian-English Transitive Translation for Cross-Language Information Retrieval
Mirna Adriani | Herika Hayurani | Syandra Sari

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Robust Retrieval Experiments at the University of Hildesheim
Ben Heuwing | Thomas Mandl

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SINAI at CLEF Ad-Hoc Robust Track 2007: Applying Google Search Engine for Robust Cross-Lingual Retrieval
Fernando Javier Martínez Santiago | Arturo Montejo-Ráez | Miguel Angel García Cumbreras

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Improving Robustness Using Query Expansion
Ángel F. Zazo Rodríguez | José Luis Alonso Berrocal | Carlos G. Figuerola

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English-to-French CLIR: A Knowledge-Light Approach through Character N-Grams Alignment
Jesús Vilares | Michael P. Oakes | Manuel Vilares Ferro

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MIRACLE Progress in Monolingual Information Retrieval at Ad-Hoc CLEF 2007
José Carlos González Cristóbal | José Miguel Goñi-Menoyo | Julio Villena-Román | Sara Lana-Serrano

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The Domain-Specific Track at CLEF 2007
Vivien Petras | Stefan Baerisch | Maximilian Stempfhuber

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The XTRIEVAL Framework at CLEF 2007: Domain-Specific Track
Jens Kürsten | Thomas Wilhelm | Maximilian Eibl

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Query Translation through Dictionary Adaptation
Stéphane Clinchant | Jean-Michel Renders

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Experiments in Classification Clustering and Thesaurus Expansion for Domain Specific Cross-Language Retrieval
Ray R. Larson

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Domain-Specific IR for German, English and Russian Languages
Claire Fautsch | Ljiljana Dolamic | Samir Abdou | Jacques Savoy

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Overview of the CLEF 2007 Multilingual Question Answering Track
Danilo Giampiccolo | Pamela Forner | Jesús Herrera | Anselmo Peñas | Christelle Ayache | Corina Forascu | Valentin Jijkoun | Petya Osenova | Paulo Rocha | Bogdan Sacaleanu | Richard F. E. Sutcliffe

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Overview of the Answer Validation Exercise 2007
Anselmo Peñas | Álvaro Rodrigo | Felisa Verdejo

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Overview of QAST 2007
Jordi Turmo | Pere Comas | Christelle Ayache | Djamel Mostefa | Sophie Rosset | Lori Lamel

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Question Answering with Joost at CLEF 2007
Gosse Bouma | Geert Kloosterman | Jori Mur | Gertjan van Noord | Lonneke van der Plas | Jörg Tiedemann

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What Happened to Esfinge in 2007?
Luís Miguel Cabral | Luís Fernando Costa | Diana Santos

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Coreference Resolution for Questions and Answer Merging by Validation
Sven Hartrumpf | Ingo Glöckner | Johannes Leveling

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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

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RACAI's Question Answering System at QA@CLEF2007
Dan Tufis | Dan Stefanescu | Radu Ion | Alexandru Ceausu

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DFKI-LT at QA@CLEF 2007
Bogdan Sacaleanu | Günter Neumann | Christian Spurk

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University of Wolverhampton at CLEF 2007
Georgiana Puscasu | Constantin Orasan

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Bilingual Question Answering Using CINDI QA at QA@CLEF 2007
Chedid Haddad | Bipin C. Desai

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The University of Évora's Participation in QA@CLEF-2007
José Saias | Paulo Quaresma

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Web-Based Anaphora Resolution for the QUASAR Question Answering System
Davide Buscaldi | Yassine Benajiba | Paolo Rosso | Emilio Sanchis

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A Lexical Approach for Spanish Question Answering
Alberto Téllez-Valero | Antonio Juárez | Gustavo Hernández | Claudia Denicia-Carral | Esaú Villatoro-Tello | Manuel Montes-y-Gómez | Luis Villaseñor Pineda

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Finding Answers Using Resources in the Internet
Mirna Adriani | Septian Adiwibowo

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UAIC Romanian QA System for QA@CLEF
Adrian Iftene | Diana Trandabat | Ionut Pistol | Mihai Alex Moruz | Alexandra Balahur | Diana Cotelea | Iustin Dornescu | Iuliana Draghici | Dan Cristea

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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 F. Tjong Kim Sang

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Combining Wikipedia and Newswire Texts for Question Answering in Spanish
César de Pablo-Sánchez | José Luis Martínez-Fernández | Ana González-Ledesma | Doaa Samy | Paloma Martínez | Antonio Moreno-Sandoval | Harith T. Al-Jumaily

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QA@L2F, First Steps at QA@CLEF
Ana Cristina Mendes | Luísa Coheur | Nuno J. Mamede | Ricardo Ribeiro | Fernando Batista | David Martins de Matos

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Priberam's Question Answering System in QA@CLEF 2007
Carlos Amaral | Adán Cassan | Helena Figueira | André F. T. Martins | Afonso Mendes | Pedro Mendes | Cláudia Pinto | Daniel Vidal

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Combining Logic and Aggregation for Answer Selection
Ingo Glöckner

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On the Application of Lexical-Syntactic Knowledge to the Answer Validation Exercise
Óscar Ferrández | Daniel Micol | Rafael Muñoz | Manuel Palomar

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Combining Lexical Information with Machine Learning for Answer Validation at QA@CLEF 2007
Miguel Angel García Cumbreras | José M. Perea-Ortega | Fernando Javier Martínez Santiago | Luis Alfonso Ureña López

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Using Recognizing Textual Entailment as a Core Engine for Answer Validation
Rui Wang | Günter Neumann

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A Supervised Learning Approach to Spanish Answer Validation
Alberto Téllez-Valero | Manuel Montes-y-Gómez | Luis Villaseñor Pineda

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UAIC Participation at AVE 2007
Adrian Iftene | Alexandra Balahur-Dobrescu

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UNED at Answer Validation Exercise 2007
Álvaro Rodrigo | Anselmo Peñas | Felisa Verdejo

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Adapting QA Components to Mine Answers in Speech Transcripts
Günter Neumann | Rui Wang

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The LIMSI Participation in the QAst Track
Sophie Rosset | Olivier Galibert | Gilles Adda | Éric Bilinski

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Robust Question Answering for Speech Transcripts Using Minimal Syntactic Analysis
Pere Comas | Jordi Turmo | Mihai Surdeanu

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Overview of the ImageCLEFphoto 2007 Photographic Retrieval Task
Michael Grubinger | Paul D. Clough | Allan Hanbury | Henning Müller

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Overview of the ImageCLEF 2007 Object Retrieval Task
Thomas Deselaers | Allan Hanbury | Ville Viitaniemi | András A. Benczúr | Mátyás Brendel | Bálint Daróczy | Hugo Jair Escalante Balderas | 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

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Overview of the ImageCLEFmed 2007 Medical Retrieval and Medical Annotation Tasks
Henning Müller | Thomas Deselaers | Thomas Martin Deserno | Jayashree Kalpathy-Cramer | Eugene Kim | William R. Hersh

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FIRE in ImageCLEF 2007: Support Vector Machines and Logistic Models to Fuse Image Descriptors for Photo Retrieval
Tobias Gass | Tobias Weyand | Thomas Deselaers | Hermann Ney

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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 Cristóbal

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Using an Image-Text Parallel Corpus and the Web for Query Expansion in Cross-Language Image Retrieval
Yih-Chen Chang | Hsin-Hsi Chen

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SINAI System: Combining IR Systems at ImageCLEFPhoto 2007
Miguel Angel García Cumbreras | Manuel Carlos Díaz-Galiano | María Teresa Martín-Valdivia | Arturo Montejo-Ráez | Luis Alfonso Ureña López

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Multimodal Retrieval by Text-Segment Biclustering
András A. Benczúr | István Bíró | Mátyás Brendel | Károly Csalogány | Bálint Daróczy | Dávid Siklósi

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Analysing an Approach to Information Retrieval of Visual Descriptions with IR-n, a System Based on Passages
Sergio Navarro | Fernando Llopis | Rafael Muñoz Guillena | Elisa Noguera

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DCU and UTA at ImageCLEFPhoto 2007
Anni Järvelin | Peter Wilkins | Tomasz Adamek | Eija Airio | Gareth J. F. Jones | Alan F. Smeaton | Eero Sormunen

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Cross-Language and Cross-Media Image Retrieval: An Empirical Study at ImageCLEF2007
Steven C. H. Hoi

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Towards Annotation-Based Query and Document Expansion for Image Retrieval
Hugo Jair Escalante | Carlos A. Hernández | Aurelio López-López | Heidy Marisol Marín Castro | Manuel Montes-y-Gómez | Eduardo F. Morales | Luis Enrique Sucar | Luis Villaseñor Pineda

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Content-Based Image Retrieval Using Combined 2D Attribute Pattern Spectra
Florence Tushabe | Michael H. F. Wilkinson

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Text-Based Clustering of the ImageCLEFphoto Collection for Augmenting the Retrieved Results
Osama El Demerdash | Leila Kosseim | Sabine Bergler

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Trans-Media Pseudo-Relevance Feedback Methods in Multimedia Retrieval
Stéphane Clinchant | Jean-Michel Renders | Gabriela Csurka

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Cue Integration for Medical Image Annotation
Tatiana Tommasi | Francesco Orabona | Barbara Caputo

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Multiplying Concept Sources for Graph Modeling
Loïc Maisonnasse | Éric Gaussier | Jean-Pierre Chevallet

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MIRACLE at ImageCLEFmed 2007: Merging Textual and Visual Strategies to Improve Medical Image Retrieval
Julio Villena-Román | Sara Lana-Serrano | José Carlos González Cristóbal

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MIRACLE at ImageCLEFanot 2007: Machine Learning Experiments on Medical Image Annotation
Sara Lana-Serrano | Julio Villena-Román | José Carlos González Cristóbal | José Miguel Goñi-Menoyo

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Integrating MeSH Ontology to Improve Medical Information Retrieval
Manuel Carlos Díaz-Galiano | Miguel Angel García Cumbreras | María Teresa Martín-Valdivia | Arturo Montejo-Ráez | Luis Alfonso Ureña López

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Speeding Up IDM without Degradation of Retrieval Quality
Michael Springmann | Heiko Schuldt

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Content-Based Medical Image Retrieval Using Low-Level Visual Features and Modality Identification
Juan C. Caicedo | Fabio A. González | Eduardo Romero

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Medical Image Retrieval and Automatic Annotation: OHSU at ImageCLEF 2007
Jayashree Kalpathy-Cramer | William R. Hersh

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Using Bayesian Network for Conceptual Indexing: Application to Medical Document Indexing with UMLS Metathesaurus
Diem Thi Hoang Le | Jean-Pierre Chevallet | Joo-Hwee Lim

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Baseline Results for the ImageCLEF 2007 Medical Automatic Annotation Task Using Global Image Features
Mark Oliver Güld | Thomas Martin Deserno

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Evaluation of Automatically Assigned MeSH Terms for Retrieval of Medical Images
Miguel E. Ruiz | Aurélie Névéol

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University and Hospitals of Geneva Participating at ImageCLEF 2007
Xin Zhou | Julien Gobeill | Patrick Ruch | Henning Müller

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An Interactive and Dynamic Fusion-Based Image Retrieval Approach by CINDI
Md Mahmudur Rahman | Bipin C. Desai | Prabir Bhattacharya

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Using Pseudo-Relevance Feedback to Improve Image Retrieval Results
Mouna Torjmen | Karen Pinel-Sauvagnat | Mohand Boughanem

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Overview of the CLEF-2007 Cross-Language Speech Retrieval Track
Pavel Pecina | Petra Hoffmannová | Gareth J. F. Jones | Ying Zhang | Douglas W. Oard

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A Dirichlet-Smoothed Bigram Model for Retrieving Spontaneous Speech
Matthew Lease | Eugene Charniak

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Model Fusion Experiments for the CLSR Task at CLEF 2007
Muath Alzghool | Diana Zaiu Inkpen

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Dublin City University at CLEF 2007: Cross-Language Speech Retrieval Experiments
Ying Zhang | Gareth J. F. Jones | Ke Zhang

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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 V. Psutka | Jan Vavruska

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Using Information Gain to Filter Information in CLEF CL-SR Track
Manuel Carlos Díaz-Galiano | María Teresa Martín-Valdivia | Miguel Angel García Cumbreras | Luis Alfonso Ureña López

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Overview of WebCLEF 2007
Valentin Jijkoun | Maarten de Rijke

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Segmentation of Web Documents and Retrieval of Useful Passages
Carlos G. Figuerola | José Luis Alonso Berrocal | Ángel F. Zazo Rodríguez

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Using Centrality to Rank Web Snippets
Valentin Jijkoun | Maarten de Rijke

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Using Web-Content for Retrieving Snippets
Okky Hendriansyah | Tri Firgantoro | Mirna Adriani

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GeoCLEF 2007: The CLEF 2007 Cross-Language Geographic Information Retrieval Track Overview
Thomas Mandl | Fredric C. Gey | Giorgio Maria Di Nunzio | Nicola Ferro | Ray R. Larson | Mark Sanderson | Diana Santos | Christa Womser-Hacker | Xing Xie

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Inferring Location Names for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf

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GeoParsing Web Queries
Rocio Guillén

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MIRACLE at GeoCLEF Query Parsing 2007: Extraction and Classification of Geographical Information
Sara Lana-Serrano | Julio Villena-Román | José Carlos González Cristóbal | José Miguel Goñi-Menoyo

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Relevance Measures Using Geographic Scopes and Types
Geoffrey Andogah | Gosse Bouma

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Using Geographic Signatures as Query and Document Scopes in Geographic IR
Nuno Cardoso | David Cruz | Marcirio Silveira Chaves | Mário J. Silva

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Cheshire at GeoCLEF 2007: Retesting Text Retrieval Baselines
Ray R. Larson

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On the Relative Importance of Toponyms in GeoCLEF
Davide Buscaldi | Paolo Rosso

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Filtering for Improving the Geographic Information Search
José M. Perea-Ortega | Miguel Angel García Cumbreras | Manuel García Vega | Luis Alfonso Ureña López

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TALP at GeoCLEF 2007: Results of a Geographical Knowledge Filtering Approach with Terrier
Daniel Ferrés | Horacio Rodríguez

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TALP at GeoQuery 2007: Linguistic and Geographical Analysis for Query Parsing
Daniel Ferrés | Horacio Rodríguez

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Applying Geo-feedback to Geographic Information Retrieval
Mirna Adriani | Nasikhin

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Exploring LDA-Based Document Model for Geographic Information Retrieval
Zhisheng Li | Chong Wang | Xing Xie | Xufa Wang | Wei-Ying Ma

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Mono-and Crosslingual Retrieval Experiments with Spatial Restrictions at GeoCLEF 2007
Ralph Kölle | Ben Heuwing | Thomas Mandl | Christa Womser-Hacker

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GIR Experiments with Forostar
Simon E. Overell | João Magalhães | Stefan M. Rüger

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Morpho Challenge Evaluation Using a Linguistic Gold Standard
Mikko Kurimo | Mathias Creutz | Matti Varjokallio

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Simple Morpheme Labelling in Unsupervised Morpheme Analysis
Delphine Bernhard

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Unsupervised and Knowledge-Free Morpheme Segmentation and Analysis
Stefan Bordag

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Unsupervised Acquiring of Morphological Paradigms from Tokenized Text
Daniel Zeman

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ParaMor: Finding Paradigms across Morphology
Christian Monson | Jaime G. Carbonell | Alon Lavie | Lori S. Levin

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SemEval-2007 Task 01: Evaluating WSD on Cross-Language Information Retrieval
Eneko Agirre | Oier Lopez de Lacalle | Bernardo Magnini | Arantxa Otegi | German Rigau | Piek Vossen

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Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

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Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

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Ambiguity and Unknown Term Translation in CLIR
Dong Zhou | Mark Truran | Tim J. Brailsford

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Amharic-English Information Retrieval with Pseudo Relevance Feedback
Atelach Alemu Argaw

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AnswerFinder at QA@CLEF 2007
Menno van Zaanen | Diego Mollá

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AnswerFinder at QAst 2007: Named Entity Recognition for QA on Speech Transcripts
Diego Mollá | Steve Cassidy | Menno van Zaanen

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Applying Query Expansion Techniques to Ad Hoc Monolingual tasks with the IR-n system
Elisa Noguera | Fernando Llopis

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Attempts to Search Czech Spontaneous Spoken Interviews - the University of West Bohemia at CLEF 2007 CL-SR track
Pavel Ircing | Ludek Müller

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Baseline Results for the CLEF 2007 Medical Automatic Annotation Task
Mark Oliver Güld | Thomas Martin Deserno

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Bengali and Hindi to English Cross-language Text Retrieval under Limited Resources
Debasis Mandal | Sandipan Dandapat | Mayank Gupta | Pratyush Banerjee | Sudeshna Sarkar

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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

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Brown at CL-SR'07: Retrieving Conversational Speech in English and Czech
Matthew Lease | Eugene Charniak

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CLEF 2007: Ad Hoc Track Overview
Giorgio Maria Di Nunzio | Nicola Ferro | Thomas Mandl | Carol Peters

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CLEF2007 Question Answering Experiments at Tokyo Institute of Technology
Edward W. D. Whittaker | Josef R. Novak | Matthias H. Heie | Sadaoki Furui

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CLEF2007: Image Annotation Task: an SVM-based Cue Integration Approach
Tatiana Tommasi | Francesco Orabona | Barbara Caputo

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CYU_IM@ImageCLEF 2007: Medical Image Annotation Task
Pei-Cheng Cheng | Wei-Pang Yang

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Charles University at CLEF 2007 Ad-Hoc Track
Pavel Ceska | Pavel Pecina

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Charles University at CLEF 2007 CL-SR Track
Pavel Ceska | Pavel Pecina

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Cheshire at GeoCLEF 2007: Retesting Text Retrieval Baselines
Ray R. Larson

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CoLesIR at CLEF 2007: from English to French via Character N-Grams
Jesús Vilares | Michael P. Oakes | Manuel Vilares Ferro

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Content-based Image Retrieval Using Shape-Size Pattern Spectra
Florence Tushabe | Michael H. F. Wilkinson

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Cross Lingual Question Answering using QRISTAL for CLEF 2007
Dominique Laurent | Patrick Séguéla | Sophie Nègre

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Cross Lingual Question Answering using CINDI_QA for QA@CLEF 2007
Chedid Haddad | Bipin C. Desai

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Cross-Language and Cross-Media Image Retrieval: An Empirical Study at ImageCLEF2007
Steven C. H. Hoi

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Cross-Lingual Information Retrieval System for Indian Languages
Jagadeesh Jagarlamudi | A. Kumaran

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Cross-modal Retrieval by Text and Image Feature Biclustering
András A. Benczúr | István Bíró | Mátyás Brendel | Károly Csalogány | Bálint Daróczy | Dávid Siklósi

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Czech Monolingual Information Retrieval Using Off-The-Shelf Components - the University of West Bohemia at CLEF 2007 Ad-Hoc track
Pavel Ircing | Ludek Müller

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DCU and UTA at ImageCLEFPhoto 2007
Anni Järvelin | Peter Wilkins | Tomasz Adamek | Eija Airio | Gareth J. F. Jones | Alan F. Smeaton | Eero Sormunen

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DFKI-LT at AVE 2007: Using Recognizing Textual Entailment for Answer Validation
Rui Wang | Günter Neumann

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DFKI-LT at QA@CLEF 2007
Bogdan Sacaleanu | Günter Neumann | Christian Spurk

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DFKI-LT at QAST 2007: Adapting QA Components to Mine Answers in Speech Transcripts
Günter Neumann | Rui Wang

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Domain-Specific Cross Language Retrieval: Comparing and Merging Structured and Unstructured Indices
Jens Kürsten | Maximilian Eibl

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Domain-Specific IR for German, English and Russian Languages
Claire Fautsch | Ljiljana Dolamic | Samir Abdou | Jacques Savoy

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Dublin City University at WebCLEF 2007
Sisay Fissaha Adafre

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Dublin City University at CLEF 2007: Cross Language Speech Retrieval (CL-SR) Experiments
Ying Zhang | Gareth J. F. Jones | Ke Zhang

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Esfinge at CLEF 2007: First Steps in a Multiple Question and Multiple Answer Approach
Luís Miguel Cabral | Luís Fernando Costa | Diana Santos

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Evaluating Language Resources for CLEF 2007
Herika Hayurani | Syandra Sari | Mirna Adriani

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Experiment for Using Web Information to do Query and Document Expansion
Yih-Chen Chang | Hsin-Hsi Chen

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Experiments for the ImageCLEF 2007 Photographic Retrieval Task
Thomas Wilhelm | Jens Kürsten | Maximilian Eibl

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Experiments in Classification Clustering and Thesaurus Expansion for Domain Specific Cross-Language Retrieval
Ray R. Larson

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Experiments with Clustering the Collection at ImageCLEF 2007
Osama El Demerdash | Leila Kosseim | Sabine Bergler

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Exploring Image, Text and Geographic Evidences in ImageCLEF 2007
João Magalhães | Simon E. Overell | Stefan M. Rüger

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FBK-irst at CLEF 2007
Milen Kouylekov | Matteo Negri | Bernardo Magnini | Bonaventura Coppola

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FIRE in ImageCLEF 2007
Thomas Deselaers | Tobias Gass | Tobias Weyand | Hermann Ney

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Finding Answers Using Resources in the Internet
Septian Adiwibowo | Mirna Adriani

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GEOUJA System. University of Jaén at GeoCLEF 2007
José M. Perea-Ortega | Miguel Ángel García Cumbreras | Manuel García Vega | Arturo Montejo-Ráez

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GIR Experiments with Forostar at GeoCLEF 2007
Simon E. Overell | João Magalhães | Stefan M. Rüger

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GeoCLEF 2007: the CLEF 2007 Cross-Language Geographic Information Retrieval Track Overview
Thomas Mandl | Fredric C. Gey | Giorgio Maria Di Nunzio | Nicola Ferro | Ray R. Larson | Mark Sanderson | Diana Santos | Christa Womser-Hacker | Xing Xie

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GeoCLEF2007 Experiments in Query Parsing and Cross-language GIR
Rocio Guillén

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Hindi and Marathi to English Cross Language Information Retrieval at CLEF 2007
Manoj Kumar Chinnakotla | Sagar Ranadive | Pushpak Bhattacharyya | Om P. Damani

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Hungarian and Czech Stemming using YASS
Prasenjit Majumder | Mandar Mitra | Dipasree Pal

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IIIT Hyderabad at CLEF 2007 - Adhoc Indian Language CLIR Task
Prasad Pingali | Vasudeva Varma

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INAOE at AVE 2007: Experiments in Spanish Answer Validation
Alberto Téllez-Valero | Manuel Montes-y-Gómez | Luis Villaseñor Pineda

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INAOE's Participation at QA@CLEF 2007
Alberto Téllez-Valero | Antonio Juárez | Gustavo Hernández | Claudia Denicia-Carral | Esaú Villatoro | Manuel Montes-y-Gómez | Luis Villaseñor Pineda

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IPAL at ImageClef 2007 Mixing Features, Models and Knowledge
Sheng Gao | Jean-Pierre Chevallet | Diem Thi Hoang Le | Trong-Ton Pham | Joo-Hwee Lim

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Information Retrieval of Visual Descriptions with IR-n System based on Passages
Sergio Navarro | Fernando Llopis | Rafael Muñoz Guillena | Elisa Noguera

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Linked Relevance Feedback for the ImageCLEF Photo Task
Ray R. Larson

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Location Identification for Geographic Information Retrieval
Nasikhin | Mirna Adriani

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MIRACLE Question Answering System for Spanish at CLEF 2007
César de Pablo-Sánchez | José Luis Martínez-Fernández | Ana García-Ledesma | Doaa Samy | Paloma Martínez | Antonio Moreno-Sandoval | Harith T. Al-Jumaily

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MIRACLE at GeoCLEF Query Parsing 2007: Extraction and Classification of Geographical Information
Sara Lana-Serrano | Julio Villena-Román | José Miguel Goñi-Menoyo

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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 Cristóbal

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MIRACLE at ImageCLEFanot 2007: Machine Learning Experiments on Medical Image Annotation
Sara Lana-Serrano | Julio Villena-Román | José Carlos González Cristóbal | José Miguel Goñi-Menoyo

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MIRACLE at ImageCLEFmed 2007: Merging Textual and Visual Strategies to Improve Medical Image Retrieval
Julio Villena-Román | Sara Lana-Serrano | José Carlos González Cristóbal

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MSRA Columbus at GeoCLEF2007
Zhisheng Li | Chong Wang | Xing Xie | Wei-Ying Ma

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Making RAPOSA (FOX) Smarter
Luís Sarmento | Eugénio C. Oliveira

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Medical Image Retrieval and Automatic Annotation: OHSU at ImageCLEF 2007
Jayashree Kalpathy-Cramer | William R. Hersh

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Model Fusion Experiments for the Cross Language Speech Retrieval Task at CLEF 2007
Muath Alzghool | Diana Inkpen

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Monolingual Retrieval Experiments with Spatial Restrictions at GeoCLEF 2007
Ralph Kölle | Ben Heuwing | Thomas Mandl | Christa Womser-Hacker

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Multi-Modal Interactive Approach to ImageCLEF 2007 Photographic and Medical Retrieval Tasks by CINDI
Md Mahmudur Rahman | Bipin C. Desai | Prabir Bhattacharya

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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

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Multiplying Concept Sources for Graph Modeling
Loïc Maisonnasse | Éric Gaussier | Jean-Pierre Chevallet

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N-Gram Morphemes for Retrieval
Paul McNamee | James Mayfield

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Oromo-English Information Retrieval Experiments at CLEF 2007
Kula Kekeba Tune | Vasudeva Varma

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Overview of Morpho Challenge in CLEF 2007
Mikko Kurimo | Mathias Creutz | Ville T. Turunen

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Overview of QAST 2007
Jordi Turmo | Pere Comas | Christelle Ayache | Djamel Mostefa | Sophie Rosset | Lori Lamel

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Overview of WebCLEF 2007
Valentin Jijkoun | Maarten de Rijke

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Overview of the Answer Validation Exercise 2007
Anselmo Peñas | Álvaro Rodrigo | Felisa Verdejo

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Overview of the CLEF 2007 Multilingual Question Answering Track
Danilo Giampiccolo | Pamela Forner | Anselmo Peñas | Christelle Ayache | Dan Cristea | Valentin Jijkoun | Petya Osenova | Paulo Rocha | Bogdan Sacaleanu | Richard F. E. Sutcliffe

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Overview of the CLEF-2007 Cross Language Speech Retrieval Track
Pavel Pecina | Petra Hoffmannová | Gareth J. F. Jones | Ying Zhang | Douglas W. Oard

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Overview of the ImageCLEFphoto 2007 Photographic Retrieval Task
Michael Grubinger | Paul D. Clough | Allan Hanbury | Henning Müller

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Overview of the ImageCLEF 2007 Medical Retrieval and Annotation Tasks
Henning Müller | Thomas Deselaers | Eugene Kim | Jayashree Kalpathy-Cramer | Thomas Martin Deserno | William R. Hersh

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Overview of the ImageCLEF 2007 Object Retrieval Task
Thomas Deselaers | Allan Hanbury | Ville Viitaniemi | András A. Benczúr | Mátyás Brendel | Bálint Daróczy | Hugo Jair Escalante Balderas | 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

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ParaMor: Finding Paradigms across Morphology
Christian Monson | Jaime G. Carbonell | Alon Lavie | Lori S. Levin

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Performing Cross-Language Retrieval with Wikipedia
Péter Schönhofen | András A. Benczúr | István Bíró | Károly Csalogány

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Priberam's Question Answering System in QA@CLEF 2007
Carlos Amaral | Adán Cassan | Helena Figueira | André F. T. Martins | Afonso Mendes | Pedro Mendes | Cláudia Pinto | Daniel Vidal

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QA@L2F@QA@CLEF
Ana Cristina Mendes | Luísa Coheur | Nuno J. Mamede | Luis Romão | João Loureiro | Ricardo Ribeiro | Fernando Batista | David Martins de Matos

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Query Parsing Task for GeoCLEF2007 Report
Zhisheng Li | Chong Wang | Xing Xie | Wei-Ying Ma

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Question Answering with Joost at CLEF 2007
Gosse Bouma | Geert Kloosterman | Jori Mur

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RACAI's Question Answering System at QA@CLEF 2007
Dan Tufis | Dan Stefanescu | Radu Ion | Alexandru Ceausu

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REINA at CLEF 2007 Robust Task
Ángel F. Zazo Rodríguez | Carlos G. Figuerola | José Luis Alonso Berrocal

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REINA at WebCLEF 2007. Selecting Useful Snippets
Carlos G. Figuerola | José Luis Alonso Berrocal | Ángel F. Zazo Rodríguez | Emilio Rodríguez

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Report of MIRACLE team for the Ad-Hoc Track in CLEF 2007
José Miguel Goñi-Menoyo | José Carlos González Cristóbal | Julio Villena-Román | Sara Lana-Serrano

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Robust Question Answering for Speech Transcripts Using Minimal Syntactic Analysis
Pere Comas | Jordi Turmo | Mihai Surdeanu

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Robust Retrieval Experiments at the University of Hildesheim
Ben Heuwing | Thomas Mandl

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SINAI at CL-SR Task at CLEF 2007
Manuel Carlos Díaz-Galiano | María Teresa Martín-Valdivia | Miguel Ángel García Cumbreras | Luis Alfonso Ureña López

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SINAI at CLEF Ad-Hoc Robust Track 2007: Applying Google Search Engine for Robust Cross-Lingual Retrieval
Fernando Javier Martínez Santiago | Arturo Montejo-Ráez | Miguel Ángel García Cumbreras

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SINAI at ImageCLEF 2007
Manuel Carlos Díaz-Galiano | Miguel Ángel García Cumbreras | María Teresa Martín-Valdivia | Arturo Montejo-Ráez | Luis Alfonso Ureña López

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SINAI at QA@CLEF 2007. Answer Validation Exercise
Miguel Ángel García Cumbreras | José Manuel Perea Ortega | Fernando Javier Martínez Santiago | Luis Alfonso Ureña López

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Sampling Precision to Depth 10000: Evaluation Experiments at CLEF 2007
Stephen Tomlinson

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SemEval-2007 Task 01: Evaluating WSD on Cross-Language Information Retrieval
Eneko Agirre | Oier Lopez de Lacalle | Bernardo Magnini | Arantxa Otegi | German Rigau | Piek Vossen

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Simple Morpheme Labelling in Unsupervised Morpheme Analysis
Delphine Bernhard

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Speeding up IDM without Degradation of Retrieval Quality
Michael Springmann | Heiko Schuldt

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Stemming Approaches for East European Languages
Ljiljana Dolamic | Jacques Savoy

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TALP at GeoCLEF 2007: Using Terrier with Geographical Knowledge Filtering
Daniel Ferrés | Horacio Rodríguez

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TALP at GeoQuery 2007: Linguistic and Geographical Analysis for Query Parsing
Daniel Ferrés | Horacio Rodríguez

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TIA-INAOE's Participation at ImageCLEF 2007
Hugo Jair Escalante | Carlos A. Hernández | Aurelio López-López | Heidy M. Marín | Manuel Montes-y-Gómez | Eduardo F. Morales | Luis Enrique Sucar | Luis Villaseñor Pineda

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The Contribution of the University of Alicante to AVE 2007
Óscar Ferrández | Daniel Micol | Rafael Muñoz | Manuel Palomar

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The Domain -Specific Track at CLEF 2007
Vivien Petras | Stefan Baerisch | Maximilian Stempfhuber

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The LIMSI Participation in the QAst Track
Sophie Rosset | Olivier Galibert | Gilles Adda | Éric Bilinski

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The Senso Question Answering Approach to Portuguese QA@CLEF-2007
José Saias | Paulo Quaresma

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The UPV at GeoCLEF 2007
Davide Buscaldi | Paolo Rosso

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The UPV at QA@CLEF 2007
Davide Buscaldi | Yassine Benajiba | Paolo Rosso | Emilio Sanchis

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The University of Amsterdam at CLEF@QA 2007
Valentin Jijkoun | Katja Hofmann | David Ahn | Mahboob Alam Khalid | Joris van Rantwijk | Maarten de Rijke | Erik F. Tjong Kim Sang

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The University of Amsterdam at the CLEF Cross Language Speech Retrieval Track 2007
Bouke Huurnink

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The University of Amsterdam at WebCLEF 2007: Using Centrality to Rank Web Snippets
Valentin Jijkoun | Maarten de Rijke

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The University of Lisbon at GeoCLEF 2007
Nuno Cardoso | David Cruz | Marcirio Silveira Chaves | Mário J. Silva

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Towards Unsupervised Induction of Morphophonemic Rules
Erwin Chan

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UNED at Answer Validation Exercise 2007
Álvaro Rodrigo | Anselmo Peñas | Felisa Verdejo

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University and Hospitals of Geneva at ImageCLEF 2007
Xin Zhou | Julien Gobeill | Patrick Ruch | Henning Müller

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University of Chicago at the CLEF 2007 Cross Language Speech Retrieval Track
Gina-Anne Levow

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University of Groningen at GeoCLEF 2007
Geoffrey Andogah | Gosse Bouma

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University of Hagen at GeoCLEF 2007: Exploring Location Indicators for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf

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University of Hagen at QA@CLEF 2007: Coreference Resolution for Questions and Answer Merging
Sven Hartrumpf | Ingo Glöckner | Johannes Leveling

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University of Hagen at CLEF 2007: Answer Validation Exercise
Ingo Glöckner

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University of Wolverhampton at CLEF 2007
Georgiana Puscasu | Constantin Orasan

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Unsupervised Acquiring of Morphological Paradigms from Tokenized Text
Daniel Zeman

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Unsupervised Morpheme Analysis Evaluation by IR experiments - Morpho Challenge 2007
Mikko Kurimo | Mathias Creutz | Ville T. Turunen

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Unsupervised Morpheme Analysis Evaluation by a Comparison to a Linguistic Gold Standard - Morpho Challenge 2007
Mikko Kurimo | Mathias Creutz | Matti Varjokallio

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Unsupervised and Knowledge-free Morpheme Segmentation and Analysis
Stefan Bordag

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Using Hand-Written Rewrite Rules to Induce Underlying Morphology
Michael Tepper

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Using Pseudo-relevance Feedback to Improve Image Retrieval Results
Mouna Torjmen Khemakhem | Karen Pinel-Sauvagnat | Mohand Boughanem

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What happened in CLEF 2007: Introduction to the Working Notes
Carol Peters

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XRCE's Participation to ImageCLEFphoto 2007
Stéphane Clinchant | Jean-Michel Renders | Gabriela Csurka

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XRCE's Participation to CLEF 2007 Domain-Specific Track
Stéphane Clinchant | Jean-Michel Renders