| Vol-1171 urn:nbn:de:0074-1171-0 Copyright © 2005 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# CLEF 2005
CLEF2005 Working Notes

### Working Notes for CLEF 2005 Workshop
co-located with the 9th European Conference on Digital Libraries (ECDL 2005)

### Wien, Austria, September 21-22, 2005.

Edited by

### Carol Peters *
Nicola Ferro (CEUR-WS Republishing Managing Editor) **

* Istituto di Scienze e Tecnologie dell'Informazione (ISTI), CNR, Pisa, Italy
** Department of Information Engineering (DEI), University of Padua, Via Gradenigo 6/B, 35131, Padova, Italy

## Table of Contents

### Preface

- What Happened in CLEF 2005
  Carol Peters

### Cross-Language Geographical Information Retrieval

- GeoCLEF: the CLEF 2005 Cross-Language Geographic Information Retrieval Track
  Fredric Gey, Ray Larson, Mark Sanderson, Hideo Joho, Paul Clough
- MIRACLE's 2005 Approach to Geographical Information Retrieval
  Sara Lana-Serrano, José M. Goñi-Menoyo, José C. González-Cristóbal
- The University of Alicante at GeoCLEF 2005
  O. Ferrández, Z. Kozareva, A. Toral, E. Noguera, A. Montoyo, R. Muñoz, Fernando Llopis
- MetaCarta at GeoCLEF 2005
  András Kornai
- A WordNet-based Query Expansion Method for Geographical Information Retrieval
  Davide Buscaldi, Paolo Rosso, Emilio Sanchis Arnal
- The GeoTALP-IR System at GeoCLEF-2005: Experiments Using a QA-based IR System, Linguistic Analysis, and a Geographical Thesaurus
  Daniel Ferrés, Alicia Ageno, Horacio Rodríguez
- Cheshire II at GeoCLEF: Fusion and Query Expansion for GIR
  Ray R. Larson
- CSUSM Experiments in GeoCLEF2005: Monolingual and Bilingual Tasks
  Rocio Guillén
- Berkeley2 at GeoCLEF: Cross-Language Geographic Information Retrieval of German and English Documents
  Vivien Petras, Fredric Gey
- University of Hagen at GeoCLEF 2005: Using Semantic Networks for Interpreting Geographical Queries
  Johannes Leveling, Sven Hartrumpf, Dirk Veiel
- Preliminary Experiments with Geo-Filtering Predicates for Geographic IR
  Jochen L. Leidner
- NICTA i2d2 in GeoCLEF 2005
  Baden Hughes
- The XLDB Group at GeoCLEF 2005
  Nuno Cardoso, Bruno Martins, Marcirio Silveira Chaves, Leonardo Andrade, Mário J. Silva

### Cross-Language Retrieval in Image Collections

- The CLEF 2005 Cross-Language Image Retrieval Track
  Paul Clough, Henning Müller, Thomas Deselaers , Michael Grubinger, Thomas Lehmann, Jeffery Jensen, William Hersh
- Towards a Topic Complexity Measure for Cross Language Image Retrieval
  Michael Grubinger, Clement Leung, Paul Clough
- Dublin City University at CLEF 2005: Experiments with the ImageCLEF St Andrew's Collection
  Gareth J. F. Jones, Kieran McDonald
- University of Alicante in ImageCLEF2005
  Rubén Izquierdo-Beviá, David Tomás, Maximiliano Saiz-Noeda, José Luis Vicedo
- Exploiting Semantic Features for Image Retrieval at CLEF 2005
  J.L. Martínez-Fernández, J. Villena, Ana García-Serrano , S. González-Tortosa , F. Carbone, M.Castagnone
- UNED at ImageCLEF 2005: Automatically Structured Queries with Named Entities over Metadata
  Víctor Peinado, Fernando López-Ostenero, Julio Gonzalo
- Recovering Translation Errors in Cross-Language Image Retrieval using Word Association Models
  Masashi Inoue
- Combining Text and Image Queries at ImageCLEF2005
  Yih-Chen Chang, Wen-Cheng Lin, Hsin-Hsi Chen
- CUHK Experiments with ImageCLEF 2005
  Steven C.H. Hoi, Jianke Zhu, Michael R. Lyu
- SINAI at ImageCLEF 2005
  M.T. Martín-Valdivia, M.A. García-Cumbreras, M.C. Díaz-Galiano, L.A. Ureña-López, A. Montejo-Raez
- Merging Results from Different Media: Lic2m Experiments at ImageCLEF 2005
  Romaric Besançon, Christophe Millet
- Combining Multilevel Visual Features for Medical Image Retrieval in ImageCLEFmed 2005
  Wei Xiong, Bo Qiu, Qi Tian, Changsheng Xu, S.H. Ong, Kelvin Foong
- A Structured Learning Approach for Medical Image Indexing and Retrieval
  Joo-Hwee Lim, Jean-Pierre Chevallet
- FIRE in ImageCLEF 2005: Combining Content-based Image Retrieval with Textual Information Retrieval
  Thomas Deselaers, Tobias Weyand, Daniel Keysers, Wolfgang Macherey, Hermann Ney
- Categorizing and Annotating Medical Images by Retrieving Terms Relevant to Visual Features
  Desislava Petkova, Lisa Ballesteros
- Manual Query Modification and Automated Translation to Improve Cross-Language Medical Image Retrieval
  Jeffery R. Jensen, William R. Hersh
- MIRACLE's Combination of Visual and Textual Queries for Medical Image Retrieval
  Julio Villena-Román, José Carlos González-Cristóbal, José Miguel Goñi-Menoyo, Juan José Fernández
- Supervised Machine Learning based Medical Image Annotation and Retrieval
  Md. Mahmudur Rahman, Bipin C. Desai, Prabir Bhattacharya
- Combining Global features for Content-based Retrieval of Medical Images
  Mark O Güld, Christian Thies, Benedikt Fischer, Thomas M. Lehmann
- NCTU_DBLAB@ImageCLEFmed 2005: Medical Image Retrieval Task
  Pei-Cheng Cheng, Been-Chian Chien, Hao-Ren Ke, Wei-Pang Yang
- Using medGIFT and easyIR for the ImageCLEF 2005 Evaluation Tasks
  Henning Müller, Antoine Geissbühler, Johan Marty, Christian Lovis, Patrick Ruch
- The University of Indonesia's Participation in IMAGE-CLEF 2005
  Mirna Adriani, A. Framadhan
- MIRACLE's Naive Approach to Medical Images Annotation
  Julio Villena-Román, José Carlos González-Cristóbal, José Miguel Goñi-Menoyo, José Luís Martínez-Fernandez
- Report on the Annotation Task in ImageCLEFmed 2005
  Bo Qiu, Wei Xiong, Qi Tian, Chang Sheng Xu
- Using Ontology Dimensions and Negative Expansion to solve Precise Queries in the ImageCLEF Medical Task
  Jean-Pierre Chevallet, Joo-Hwee Lim, Saïd Radhouani
- UB at CLEF 2005: Medical Image Retrieval Task
  Miguel E. Ruiz, Silvia Southwick
- NCTU_DBLAB@ImageCLEF 2005: Automatic Annotation Task
  Pei-Cheng Cheng, Been-Chian Chien, Hao-Ren Ke, Wei-Pang Yang

### Cross-Language Speech Retrieval

- Overview of the CLEF-2005 Cross-Language Speech Retrieval Track
  Ryen W. White, Douglas W. Oard, Gareth J. F. Jones, Dagobert Soergel, Xiaoli Huang
- University of Ottawa's Contribution to CLEF 2005, the CL-SR Track
  Diana Inkpen, Muath Alzghool, Aminul Islam
- Waterloo Experiments for the CLEF05 SDR Track
  Charles L. A. Clarke
- The University of Alicante at CL-SR Track
  Rafael M. Terol, Manuel Palomar, Patricio Martínez-Barco, Fernando Llopis, Rafael Muñoz, Elisa Noguera
- Pitt at CLEF05: Data Fusion for Spoken Document Retrieval
  Daqing He, Jaewook Ahn
- UNED at CL-SR CLEF 2005: Mixing Different Strategies to Retrieve Automatic Speech Transcriptions
  Fernando López-Ostenero, Víctor Peinado, Valentín Sama
- Dublin City University at CLEF 2005: Cross-Language Spoken Document Retrieval (CL-SR) Experiments
  Adenike M. Lam-Adesina, Gareth J. F.Jones
- CLEF-2005 CL-SR at Maryland: Document and Query Expansion using Side Collections and Thesauri
  Jianqiang Wang, Douglas W. Oard

### Mono- and Cross-Language IR on Structured Scientific Data

- Domain-Specific Track CLEF 2005: Overview of Results and Approaches, Remarks on the Assessment Anaalysis
  Michael Kluck, Maximilian Stempfhuber
- Fusion of Probabilistic Algorithms for the CLEF Domain Specific Task
  Ray R. Larson
- Domain-Specific Russian Retrieval: A Baseline Approach
  Fredric C. Gey
- University of Hagen at CLEF 2005: Towards a Better Baseline for NLP Methods in Domain-Specific Information Retrieval
  Johannes Leveling
- How One Word Can Make all the Difference - Using Subject Metadata for Automatic Query Expansion and Reformulation
  Vivien Petras
- Evaluating a Conceptual Indexing Method by Utilizing WordNet
  Mustapha Baziz, Mohand Boughanem, Nathalie Aussenac-Gilles
- Mono- and Bilingual Retrieval Experiments with a Social Science Document Corpus
  René Hackl, Thomas Mandl

### Interactive Cross-Language Information Retrieval

- Overview of the CLEF 2005 Interactive Track
  Julio Gonzalo, Paul Clough, Alessandro Vallin
- iCLEF2005 at REINA-USAL: Use of Free On-line Machine Translation Programs for Interactive Cross-Language Question Answering
  Ángel F. Zazo Rodríguez, Carlos G. Figuerola, José Luis Alonso Berrocal, Viviana Fernández Marcial
- How much Context do you need? An Experiment about Context Size in Interactive Cross-language Question Answering
  Borja Navarro, Lorenza Moreno-Monteagudo, Elisa Noguera, Sonia Vázquez, Fernando Llopis, Andrés Montoyo
- UNED at iCLEF 2005: Automatic Highlighting of Potential Answers
  Víctor Peinado, Fernando López-Ostenero, Julio Gonzalo, Felisa Verdejo
- Boolean Operators in Interactive Search
  Julio Villena-Román, Raquel M. Crespo-García, José Carlos González-Cristóbal
- Concept Hierarchy across Languages in Text-Based Image Retrieval: A User Evaluation
  Daniela Petrelli, Paul Clough

### Mono-, Bi- and Multilingual Information Retrieval

- CLEF 2005: Ad Hoc Track Overview
  Giorgio M. Di Nunzio, Nicola Ferro, Gareth J.F. Jones, Carol Peters
- Portuguese at CLEF 2005: Reflections and Challenges
  Diana Santos, Nuno Cardoso
- Ad-hoc Mono- and Bilingual Retrieval Experiments at the University of Hildesheim
  René Hackl, Thomas Mandl, Christa Womser-Hacker
- MIRACLE's 2005 Approach to Cross-lingual Information Retrieval
  José C. González, José Miguel Goñi-Menoyo, Julio Villena-Román
- The XLDB Group Participation in the CLEF 2005 Ad Hoc Task
  Nuno Cardoso, Leonardo Andrade, Alberto Simões, Mário J. Silva
- Thomson Legal and Regulatory Experiments at CLEF-2005
  Isabelle Moulinier, Ken Williams
- Using Syntactic Dependency and Language Model X-IOTA IR System for CLIPS Mono & Bilingual Experiments in CLEF 2005
  Loïc Maisonnasse, Gilles Sérasset, Jean-Pierre Chevallet
- Bilingual and Multilingual Experiments with the IR-n System
  Elisa Noguera, Fernando Llopis, Rafael Muñoz, Rafael M. Terol, Miguel A. García-Cumbreras,Fernando Martínez-Santiago, Arturo Montejo-Raez
- Dictionary-based Amharic-French Information Retrieval
  Atelach Alemu Argaw, Lars Asker, Rickard Cöster, Jussi Karlgren, Magnus Sahlgren
- Hybrid Approach of Query and Document Translation with Pivot Language for Cross-Language Information Retrieval
  Kazuaki Kishida, Noriko Kando
- Ontology-Based Multilingual Information Retrieval
  Jacques Guyot, Saïd Radhouani, Gilles Falquet
- SINAI at CLEF 2005: Multi-8 Two-years-on and Multi-8 Merging-only Tasks
  Fernando Martínez-Santiago, Miguel A. García-Cumbreras
- CLEF 2005: Multilingual Retrieval by Combining Multiple Multilingual Ranked Lists
  Luo Si, Jamie Callan
- Report on CLEF-2005 Evaluation Campaign: Monolingual, Bilingual and GIRT Information Retrieval
  Jacques Savoy, Pierre-Yves Berger
- Sociopolitical Thesaurus in Concept-based Information Retrieval
  M. Ageev, B. Dobrov, N. Loukachevitch
- University of Indonesia's Participation in Ad Hoc at CLEF 2005
  Mirna Adriani, Ihsan Wahyu
- Exploring New Languages with HAIRCUT at CLEF 2005
  Paul McNamee
- Dublin City University at CLEF 2005: Multilingual Merging Experiments
  Adenike M. Lam-Adesina, Gareth J. F.Jones
- Applying Light Natural Language Processing to Ad-Hoc Cross Language Information Retrieval
  Christina Lioma, Craig Macdonald, Ben He, Vassilis Plachouras, Iadh Ounis
- Hungarian Monolingual Retrieval at CLEF 2005
  Anna Tordai, Maarten de Rijke
- ENSM-SE at CLEF 2005: Uses of Fuzzy Proximity Matching Function
  Annabelle Mercier, Amelie Imafouo, Michel Beigbeder
- European Ad Hoc Retrieval Experiments with Hummingbird SearchServerTM at CLEF 2005
  Stephen Tomlinson
- Combining Passages in the Monolingual Task with the IR-n System
  Fernando Llopis, Elisa Noguera
- Principled Query Processing
  Jussi Karlgren, Magnus Sahlgren, Rickard Cöster
- MIRACLE's 2005 Approach to Monolingual Information Retrieval
  José Miguel Goñi-Menoyo, José C. González, Julio Villena-Román

### Multilingual Web Track

- Overview of WebCLEF 2005
  Börkur Sigurbjörnsson, Jaap Kamps, Maarten de Rijke
- EuroGOV: Engineering a Multilingual Web Corpus
  Börkur Sigurbjörnsson, Jaap Kamps, Maarten de Rijke
- Web Retrieval Experiments with the EuroGOV Corpus at the University of Hildesheim
  Niels Jensen, René Hackl, Thomas Mandl, Robert Ströstgen
- European Web Retrieval Experiments with Hummingbird SearchServer™ at CLEF 2005
  Stephen Tomlinson
- Melange: Components for Cross-Lingual Retrieval
  Max Pfingsthorn, Koen van de Sande, Vladimir Nedovic
- The University of Amsterdam at WebCLEF 2005
  Jaap Kamps, Maarten de Rijke, Borkur Sigurbjornsson
- Web Track for CLEF2005 at Alicante University
  Trinitario Martínez, Elisa Noguera, Rafael Muñoz, Fernando Llopis
- MIRACLE's Approach to Multilingual Web Retrieval
  Ángel Martínez-González, José Luis Martínez-Fernández, César de Pablo-Sánchez, Julio Villena-Román, Luis Jiménez-Cuadrado, Paloma Martínez, José Carlos González-Cristóbal
- TPIRS: A System for Document Indexing Reduction on WebCLEF
  David Pinto, Héctor Jiménez-Salazar, Paolo Rosso, Emilio Sanchis
- REINA at the WebCLEF Task: Combining Evidences and Link Analysis
  Carlos G. Figuerola, José L. Alonso Berrocal, Ángel F. Zazo Rodríguez, Emilio Rodríguez
- UNED at WebCLEF 2005
  Javier Artiles, Víctor Peinado, Anselmo Peñas, Felisa Verdejo
- University of Indonesia's Participation in WEB-CLEF 2005
  Mirna Ariani, Rama Pandugita
- University of Glasgow at WebCLEF 2005: Experiments in per-field Normalisation and Language Specific Stemming
  Craig Macdonald, Vassilis Plachouras, Ben He, Christina Lioma, Iadh Ounis

### Multiple Language Question Answering

- Overview of the CLEF 2005 Multilingual Question Answering Track
  Alessandro Vallin, Danilo Giampiccolo, Lili Aunimo, Christelle Ayache, Petya Osenova, Anselmo Peñas, Maarten de Rijke, Bogdan Sacaleanu, Diana Santos, Richard Sutcliffe
- A Fast Forward Approach to Cross-lingual Question Answering for English and German
  Robert Strötgen, Thomas Mandl, René Schneider
- The Oedipe System at CLEF-QA 2005
  Romaric Besançon, Mehdi Embarek, Olivier Ferret
- Building an XML Framework for Question Answering
  David Tomás, José L. Vicedo, Maximiliano Saiz, Rubén Izquierdo
- A Logic Programming-based Approach to the QA@CLEF05 Track
  Paulo Quaresma, Irene Rodrigues
- University of Hagen at QA@CLEF 2005: Extending Knowledge and Deepening Linguistic Processing for Question Answering
  Sven Hartrumpf
- Question Answering for Dutch using Dependency Relations
  Gosse Bouma, Jori Mur, Gertjan van Noord, Lonneke van der Plas, Jörg Tiedemann
- Term Translation Validation by Retrieving Bi-terms
  Brigitte Grau, Anne-Laure Ligozat, Isabelle Robba, Madeleine Sialeu, Anne Vilnat
- Exploiting Linguistic Indices and Syntactic Structures for Multilingual Question Answering: ITC-irst at CLEF 2005
  Hristo Tanev, Milen Kouylekov, Bernardo Magnini, Matteo Negri, Kiril Simov
- The TALP-QA System for Spanish at CLEF-2005
  Daniel Ferrés, Samir Kanaan, Edgar González, Alicia Ageno, Horacio Rodríguez, Jordi Turmo
- Priberam's Question Answering System for Portuguese
  Carlos Amaral, Helena Figueira, André Martins, Afonso Mendes, Pedro Mendes, Cláudia Pinto
- INAOE-UPV Joint Participation in CLEF 2005: Experiments in Monolingual Question Answering
  M. Montes-y-Gómez, L. Villaseñor-Pineda, M. Pérez-Coutiño, J. M. Gómez-Soriano, E. Sanchis-Arnal, P. Rosso
- DFKI's LT-lab at the CLEF 2005 Multiple Language Question Answering Track
  Günter Neuman, Bogdan Sacaleanu
- Monolingual and Cross-language QA using a QA-oriented Passage Retrieval System
  José Manuel Gómez Soriano, Empar Bisbal Asensi, Davide Buscaldi, Paolo Rosso, Emilio Sanchis Arnal
- The University of Amsterdam at QA@CLEF 2005
  David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik Tjong, Kim Sang
- AliQAn, Spanish QA System at CLEF-2005
  S. Roger, S. Ferrández, A. Ferrández, J. Peral, F. Llopis, A. Aguilar, D. Tomás
- 20th Century Esfinge (Sphinx) Solving the Riddles at CLEF 2005
  Luís Costa
- Question Answering using Semantic Annotation
  Lili Aunimo, Reeta Kuuskoski
- MIRACLE's 2005 Approach to Cross-Lingual Question Answering
  César de Pablo-Sánchez, Ana González-Ledesma, José Luis Martínez-Fernández, José Maria Guirao, Paloma Martinez, Antonio Moreno
- Cross Lingual Question Answering using QRISTAL for CLEF 2005
  Dominique Laurent, Patrick Séguéla, Sophie Nègre
- Experiments for Tuning the Values of Lexical Features in Question Answering for Spanish
  Manuel Pérez-Coutiño, Manuel Montes-y-Gómez, Aurelio López-López, Luis Villaseñor-Pineda
- Cross-Language French-English Question Answering using the DLT System at CLEF 2005
  Richard F. E. Sutcliffe, Michael Mulcahy, Igal Gabbay, Aoife O'Gorman, Kieran White, Darina Slattery
- University of Indonesia's Participation in Question Answering at CLEF 2005
  Mirna Adriani, R. Rinawati
- BulQA: Bulgarian-Bulgarian Question Answering at CLEF 2005
  Kiril Simov, Petya Osenova

### Appendix

- Appendix A: Results of the Core Tracks and Domain-Specific Tracks
- Appendix B: Results of the GeoCLEF Tracks
- Appendix C: Cross Language Speech Retrieval Results
- Appendix D: Participating Institutions

2014-08-11: submitted by Nicola Ferro
2014-08-11: published on CEUR-WS.org |valid HTML5|