Multilingual Information Access Evaluation I. Text Retrieval Experiments: 10th Workshop of the Cross-Language Evaluation Forum, CLEF 2009, Corfu, Greece, September 30 - October 2, 2009, Revised Selected Papers

Front Matter....Pages -
What Happened in CLEF 2009....Pages 1-12
CLEF 2009 Ad Hoc Track Overview: TEL and Persian Tasks....Pages 13-35
CLEF 2009 Ad Hoc Track Overview: Robust-WSD Task....Pages 36-49
Evaluating Cross-Language Explicit Semantic Analysis and Cross Querying....Pages 50-57
Document Expansion, Query Translation and Language Modeling for Ad-Hoc IR....Pages 58-61
Smoothing Methods and Cross-Language Document Re-ranking....Pages 62-69
Cross-Language Information Retrieval Using Meta-language Index Construction and Structural Queries....Pages 70-77
Sampling Precision to Depth 10000 at CLEF 2009....Pages 78-85
Multilingual Query Expansion for CLEF Adhoc-TEL....Pages 86-89
Experiments with N-Gram Prefixes on a Multinomial Language Model versus Lucene’s Off-the-Shelf Ranking Scheme and Rocchio Query Expansion (TEL@CLEF Monolingual Task)....Pages 90-97
Evaluation of Perstem: A Simple and Efficient Stemming Algorithm for Persian....Pages 98-101
Ad Hoc Retrieval with the Persian Language....Pages 102-109
Ad Hoc Information Retrieval for Persian....Pages 110-119
Combining Probabilistic and Translation-Based Models for Information Retrieval Based on Word Sense Annotations....Pages 120-127
Indexing with WordNet Synonyms May Improve Retrieval Results....Pages 128-134
UFRGS@CLEF2009: Retrieval by Numbers....Pages 135-141
Evaluation of Axiomatic Approaches to Crosslanguage Retrieval....Pages 142-149
UNIBA-SENSE @ CLEF 2009: Robust WSD Task....Pages 150-157
Using WordNet Relations and Semantic Classes in Information Retrieval Tasks....Pages 158-165
Using Semantic Relatedness and Word Sense Disambiguation for (CL)IR....Pages 166-173
Overview of ResPubliQA 2009: Question Answering Evaluation over European Legislation....Pages 174-196
Overview of QAST 2009....Pages 197-211
GikiCLEF: Expectations and Lessons Learned....Pages 212-222
NLEL-MAAT at ResPubliQA....Pages 223-228
Question Answering on English and Romanian Languages....Pages 229-236
Studying Syntactic Analysis in a QA System: FIDJI @ ResPubliQA’09....Pages 237-244
Approaching Question Answering by Means of Paragraph Validation....Pages 245-252
Information Retrieval Baselines for the ResPubliQA Task....Pages 253-256
A Trainable Multi-factored QA System....Pages 257-264
Extending a Logic-Based Question Answering System for Administrative Texts....Pages 265-272
Elhuyar-IXA: Semantic Relatedness and Cross-Lingual Passage Retrieval....Pages 273-280
Are Passages Enough? The MIRACLE Team Participation in QA@CLEF2009....Pages 281-288
The LIMSI Participation in the QAst 2009 Track: Experimenting on Answer Scoring....Pages 289-296
Robust Question Answering for Speech Transcripts: UPC Experience in QAst 2009....Pages 297-304
Where in the Wikipedia Is That Answer? The XLDB at the GikiCLEF 2009 Task....Pages 305-309
Recursive Question Decomposition for Answering Complex Geographic Questions....Pages 310-317
GikiCLEF Topics and Wikipedia Articles: Did They Blend?....Pages 318-321
TALP at GikiCLEF 2009....Pages 322-325
Semantic QA for Encyclopaedic Questions: EQUAL in GikiCLEF....Pages 326-333
Interactive Probabilistic Search for GikiCLEF....Pages 334-341
Information Filtering Evaluation: Overview of CLEF 2009 INFILE Track....Pages 342-353
Batch Document Filtering Using Nearest Neighbor Algorithm....Pages 354-361
UAIC: Participation in INFILE@CLEF Task....Pages 362-365
Multilingual Information Filtering by Human Plausible Reasoning....Pages 366-373
Hossur’Tech’s Participation in CLEF 2009 INFILE Interactive Filtering....Pages 374-380
Experiments with Google News for Filtering Newswire Articles....Pages 381-384
CLEF-IP 2009: Retrieval Experiments in the Intellectual Property Domain....Pages 385-409
Exploring Structured Documents and Query Formulation Techniques for Patent Retrieval....Pages 410-417
Formulating Good Queries for Prior Art Search....Pages 418-425
UAIC: Participation in CLEF-IP Track....Pages 426-429
PATATRAS: Retrieval Model Combination and Regression Models for Prior Art Search....Pages 430-437
NLEL-MAAT at CLEF-IP....Pages 438-443
Simple Pre and Post Processing Strategies for Patent Searching in CLEF Intellectual Property Track 2009....Pages 444-451
Prior Art Search Using International Patent Classification Codes and All-Claims-Queries....Pages 452-459
UTA and SICS at CLEF-IP’09....Pages 460-467
Searching CLEF-IP by Strategy....Pages 468-475
UniNE at CLEF-IP 2009....Pages 476-479
Automatically Generating Queries for Prior Art Search....Pages 480-490
Patent Retrieval Experiments in the Context of the CLEF IP Track 2009....Pages 491-496
Prior Art Retrieval Using the Claims Section as a Bag of Words....Pages 497-501
UniGE Experiments on Prior Art Search in the Field of Patents....Pages 502-507
LogCLEF 2009: The CLEF 2009 Multilingual Logfile Analysis Track Overview....Pages 508-517
Identifying Common User Behaviour in Multilingual Search Logs....Pages 518-525
A Search Engine Based on Query Logs, and Search Log Analysis by Automatic Language Identification....Pages 526-533
Identifying Geographical Entities in Users’ Queries....Pages 534-537
Search Path Visualization and Session Performance Evaluation with Log Files....Pages 538-543
User Logs as a Means to Enrich and Refine Translation Dictionaries....Pages 544-551
CLEF 2009: Grid@CLEF Pilot Track Overview....Pages 552-565
Decomposing Text Processing for Retrieval: Cheshire Tries GRID@CLEF....Pages 566-569
Putting It All Together: The Xtrieval Framework at Grid@CLEF 2009....Pages 570-577
Overview and Results of Morpho Challenge 2009....Pages 578-597
MorphoNet: Exploring the Use of Community Structure for Unsupervised Morpheme Analysis....Pages 598-608
Unsupervised Morpheme Analysis with Allomorfessor....Pages 609-616
Unsupervised Morphological Analysis by Formal Analogy....Pages 617-624
Unsupervised Word Decomposition with the Promodes Algorithm....Pages 625-632
Unsupervised Morpheme Discovery with Ungrade....Pages 633-640
Clustering Morphological Paradigms Using Syntactic Categories....Pages 641-648
Simulating Morphological Analyzers with Stochastic Taggers for Confidence Estimation....Pages 649-657
A Rule-Based Acquisition Model Adapted for Morphological Analysis....Pages 658-665
Morphological Analysis by Multiple Sequence Alignment....Pages 666-673
Back Matter....Pages -