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

Clough, Paul (EDT); Gey, Fredric C. (EDT); Karlgren, Jussi (EDT); Magnini, Bernardo (EDT); Oard, Douglas W. (EDT)

ISBN 10: 3540749985 / ISBN 13: 9783540749981

Editore: Springer, 2007

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Dati bibliografici

• Titolo: 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
• Editore: Springer
• Data di pubblicazione: 2007
• Lingua: Inglese
• ISBN 10: 3540749985
• ISBN 13: 9783540749981
• Rilegatura: Brossura
• Condizione: As New

Descrizione articolo

Riassunto

This book constitutes the thoroughly refereed postproceedings of the 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, held in Alicante, Spain, September 2006. The revised papers presented together with an introduction were carefully reviewed and selected for inclusion in the book. The papers are organized in topical sections on Multilingual Textual Document Retrieval, Domain-Specifig Information Retrieval, i-CLEF, QA@CLEF, ImageCLEF, CLSR, WebCLEF and GeoCLEF.

Contenuti

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.