Evaluation of Multilingual and Multi-modal Information Retrieval | 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

What Happened in CLEF 2006.- Scientific Data of an Evaluation Campaign: Do We Properly Deal with Them?.- I: Multilingual Textual Document Retrieval (Ad Hoc).- CLEF 2006: Ad Hoc Track Overview.- Hindi, Telugu, Oromo, English CLIR Evaluation.- Amharic-English Information Retrieval.- The University of Lisbon at CLEF 2006 Ad-Hoc Task.- Query and Document Translation for English-Indonesian Cross Language IR.- Passage Retrieval vs. Document Retrieval in the CLEF 2006 Ad Hoc Monolingual Tasks with the IR-n System.- The PUCRS NLP-Group Participation in CLEF2006: Information Retrieval Based on Linguistic Resources.- NLP-Driven Constructive Learning for Filtering an IR Document Stream.- ENSM-SE at CLEF 2006 : Fuzzy Proxmity Method with an Adhoc Influence Function.- A Study on the Use of Stemming for Monolingual Ad-Hoc Portuguese Information Retrieval.- Benefits of Resource-Based Stemming in Hungarian Information Retrieval.- Statistical vs. Rule-Based Stemming for Monolingual French Retrieval.- A First Approach to CLIR Using Character N-Grams Alignment.- SINAI at CLEF 2006 Ad Hoc Robust Multilingual Track: Query Expansion Using the Google Search Engine.- Robust Ad-Hoc Retrieval Experiments with French and English at the University of Hildesheim.- Comparing the Robustness of Expansion Techniques and Retrieval Measures.- Experiments with Monolingual, Bilingual, and Robust Retrieval.- Local Query Expansion Using Terms Windows for Robust Retrieval.- Dublin City University at CLEF 2006: Robust Cross Language Track.- JHU/APL Ad Hoc Experiments at CLEF 2006.- II: Domain-Specific Information Retrieval (Domain-Specific).- The Domain-Specific Track at CLEF 2006: Overview of Approaches, Results and Assessment.- Reranking Documents with Antagonistic Terms.- Domain Specific Retrieval: Back to Basics.- Monolingual Retrieval Experiments with a Domain-Specific Document Corpus at the Chemnitz University of Technology.- III: Interactive Cross-Langauge Information Retrieval (i-CLEF).- iCLEF 2006 Overview: Searching the Flickr WWW Photo-Sharing Repository.- Are Users Willing to Search Cross-Language? An Experiment with the Flickr Image Sharing Repository.- Providing Multilingual Access to FLICKR for Arabic Users.- Trusting the Results in Cross-Lingual Keyword-Based Image Retrieval.- IV: Multiple Language Question Answering (QA@CLEF).- Overview of the CLEF 2006 Multilingual Question Answering Track.- Overview of the Answer Validation Exercise 2006.- Overview of the WiQA Task at CLEF 2006.- Re-ranking Passages with LSA in a Question Answering System.- Question Types Specification for the Use of Specialized Patterns in Prodicos System.- Answer Translation: An Alternative Approach to Cross-Lingual Question Answering.- Priberam’s Question Answering System in a Cross-Language Environment.- LCC’s PowerAnswer at QA@CLEF 2006.- Using Syntactic Knowledge for QA.- A Cross-Lingual German-English Framework for Open-Domain Question Answering.- Cross Lingual Question Answering Using QRISTAL for CLEF 2006.- CLEF2006 Question Answering Experiments at Tokyo Institute of Technology.- Quartz: A Question Answering System for Dutch.- Experiments on Applying a Text Summarization System for Question Answering.- N-Gram vs. Keyword-Based Passage Retrieval for Question Answering.- Cross-Lingual Romanian to English Question Answering at CLEF 2006.- Finding Answers in the Œdipe System by Extracting and Applying Linguistic Patterns.- Question Answering Beyond CLEF Document Collections.- Using Machine Learning and Text Mining in Question Answering.- Applying Dependency Trees and Term Density for Answer Selection Reinforcement.- Interpretation and Normalization of Temporal Expressions for Question Answering.- Relevance Measures for Question Answering, The LIA at QA@CLEF-2006.- Monolingual and Cross–Lingual QA Using AliQAn and BRILI Systems for CLEF 2006.- The Bilingual System MUSCLEF at QA@CLEF 2006.- MIRACLE Experiments in QA@CLEF 2006 in Spanish: Main Task, Real-Time QA and Exploratory QA Using Wikipedia (WiQA).- A First Step to Address Biography Generation as an Iterative QA Task.- The Effect of Entity Recognition on Answer Validation.- A Knowledge-Based Textual Entailment Approach Applied to the AVE Task.- Automatic Answer Validation Using COGEX.- Paraphrase Substitution for Recognizing Textual Entailment.- Experimenting a “General Purpose” Textual Entailment Learner in AVE.- Answer Validation Through Robust Logical Inference.- University of Alicante at QA@CLEF2006: Answer Validation Exercise.- Towards Entailment-Based Question Answering: ITC-irst at CLEF 2006.- Link-Based vs. Content-Based Retrieval for Question Answering Using Wikipedia.- Identifying Novel Information Using Latent Semantic Analysis in the WiQA Task at CLEF 2006.- A Bag-of-Words Based Ranking Method for the Wikipedia Question Answering Task.- University of Alicante at WiQA 2006.- A High Precision Information Retrieval Method for WiQA.- QolA: Fostering Collaboration Within QA.- V: Cross-Language Retrieval in Image Collections (ImageCLEF).- Overview of the ImageCLEF 2006 Photographic Retrieval and Object Annotation Tasks.- Overview of the ImageCLEFmed 2006 Medical Retrieval and Medical Annotation Tasks.- Text Retrieval and Blind Feedback for the ImageCLEFphoto Task.- Expanding Queries Through Word Sense Disambiguation.- Using Visual Linkages for Multilingual Image Retrieval.- Approaches of Using a Word-Image Ontology and an Annotated Image Corpus as Intermedia for Cross-Language Image Retrieval.- Dublin City University at CLEF 2006: Experiments for the ImageCLEF Photo Collection Standard Ad Hoc Task.- Image Classification with a Frequency–Based Information Retrieval Scheme for ImageCLEFmed 2006.- Grayscale Radiograph Annotation Using Local Relational Features.- MorphoSaurus in ImageCLEF 2006: The Effect of Subwords On Biomedical IR.- Medical Image Retrieval and Automated Annotation: OHSU at ImageCLEF 2006.- MedIC at ImageCLEF 2006: Automatic Image Categorization and Annotation Using Combined Visual Representations.- Medical Image Annotation and Retrieval Using Visual Features.- Baseline Results for the ImageCLEF 2006 Medical Automatic Annotation Task.- A Refined SVM Applied in Medical Image Annotation.- Inter-media Concept-Based Medical Image Indexing and Retrieval with UMLS at IPAL.- UB at ImageCLEFmed 2006.- Translation by Text Categorisation: Medical Image Retrieval in ImageCLEFmed 2006.- Using Information Gain to Improve the ImageCLEF 2006 Collection.- CINDI at ImageCLEF 2006: Image Retrieval & Annotation Tasks for the General Photographic and Medical Image Collections.- Image Retrieval and Annotation Using Maximum Entropy.- Inter-media Pseudo-relevance Feedback Application to ImageCLEF 2006 Photo Retrieval.- ImageCLEF 2006 Experiments at the Chemnitz Technical University.- VI: Cross-Language Speech Retrieval (CLSR).- Overview of the CLEF-2006 Cross-Language Speech Retrieval Track.- Benefit of Proper Language Processing for Czech Speech Retrieval in the CL-SR Task at CLEF 2006.- Applying Logic Forms and Statistical Methods to CL-SR Performance.- XML Information Retrieval from Spoken Word Archives.- Experiments for the Cross Language Speech Retrieval Task at CLEF 2006.- CLEF-2006 CL-SR at Maryland: English and Czech.- Dublin City University at CLEF 2006: Cross-Language Speech Retrieval (CL-SR) Experiments.- VII: Multilingual Web Track (WebCLEF).- Overview of WebCLEF 2006.- Improving Web Pages Retrieval Using Combined Fields.- A Penalisation-Based Ranking Approach for the Mixed Monolingual Task of WebCLEF 2006.- Index Combinations and Query Reformulations for Mixed Monolingual Web Retrieval.- Multilingual Web Retrieval Experiments with Field Specific Indexing Strategies for WebCLEF 2006 at the University of Hildesheim.- Vocabulary Reduction and Text Enrichment at WebCLEF.- Experiments with the 4 Query Sets of WebCLEF 2006.- Applying Relevance Feedback for Retrieving Web-Page Retrieval.- VIII: Cross-Language Geographical Retrieval (GeoCLEF).- GeoCLEF 2006: The CLEF 2006 Cross-Language Geographic Information Retrieval Track Overview.- MIRACLE’s Ad-Hoc and Geographical IR Approaches for CLEF 2006.- GIR Experimentation.- GIR with Geographic Query Expansion.- Monolingual and Bilingual Experiments in GeoCLEF2006.- Experiments on the Exclusion of Metonymic Location Names from GIR.- The University of New South Wales at GeoCLEF 2006.- GEOUJA System. The First Participation of the University of Jaén at GEOCLEF 2006.- R2D2 at GeoCLEF 2006: A Combined Approach.- MSRA Columbus at GeoCLEF 2006.- Forostar: A System for GIR.- NICTA I2D2 Group at GeoCLEF 2006.- Blind Relevance Feedback and Named Entity Based Query Expansion for Geographic Retrieval at GeoCLEF 2006.- A WordNet-Based Indexing Technique for Geographical Information Retrieval.- University of Twente at GeoCLEF 2006: Geofiltered Document Retrieval.- TALP at GeoCLEF 2006: Experiments Using JIRS and Lucene with the ADL Feature Type Thesaurus.- GeoCLEF Text Retrieval and Manual Expansion Approaches.- UB at GeoCLEF 2006.- The University of Lisbon at GeoCLEF 2006.