Comparative Evaluation of Multilingual Information Access Systems: 4th Workshop of the Cross-Language Evaluation Forum, CLEF 2003, Trondheim, Norway, August 21-22, 2003, Revised Selected Papers

Front Matter....Pages -
Introduction....Pages 1-6
CLEF 2003 Methodology and Metrics....Pages 7-20
Analysis of the Reliability of the Multilingual Topic Set for the Cross Language Evaluation Forum....Pages 21-28
Evaluation of Information Access Technologies at the NTCIR Workshop....Pages 29-43
CLEF 2003 – Overview of Results....Pages 44-63
Report on CLEF-2003 Multilingual Tracks....Pages 64-73
The Impact of Word Normalization Methods and Merging Strategies on Multilingual IR....Pages 74-84
JHU/APL Experiments in Tokenization and Non-word Translation....Pages 85-97
Report on CLEF-2003 Experiments: Two Ways of Extracting Multilingual Resources from Corpora....Pages 98-107
Combining Query Translation and Document Translation in Cross-Language Retrieval....Pages 108-121
Cross-Language Experiments with the IR-n System....Pages 122-132
Multilingual Information Retrieval Using Open, Transparent Resources in CLEF 2003....Pages 133-139
ITC-irst at CLEF 2003: Monolingual, Bilingual, and Multilingual Information Retrieval....Pages 140-151
Language-Dependent and Language-Independent Approaches to Cross-Lingual Text Retrieval....Pages 152-165
Multilingual Retrieval Experiments with MIMOR at the University of Hildesheim....Pages 166-173
Concept-Based Searching and Merging for Multilingual Information Retrieval: First Experiments at CLEF 2003....Pages 174-184
CLEF 2003 Experiments at UB: Automatically Generated Phrases and Relevance Feedback for Improving CLIR....Pages 185-191
SINAI at CLEF 2003: Decompounding and Merging....Pages 192-201
Merging Results by Predicted Retrieval Effectiveness....Pages 202-209
MIRACLE Approaches to Multilingual Information Retrieval: A Baseline for Future Research....Pages 210-219
Experiments to Evaluate Probabilistic Models for Automatic Stemmer Generation and Query Word Translation....Pages 220-235
Clairvoyance CLEF-2003 Experiments....Pages 236-241
Simple Translations of Monolingual Queries Expanded Through an Association Thesaurus....Pages 242-252
Two-Stage Refinement of Query Translation in a Pivot Language Approach to Cross-Lingual Information Retrieval: An Experiment at CLEF 2003....Pages 253-262
Regular Sound Changes for Cross-Language Information Retrieval....Pages 263-270
Exeter at CLEF 2003: Experiments with Machine Translation for Monolingual, Bilingual and Multilingual Retrieval....Pages 271-285
Lexical and Algorithmic Stemming Compared for 9 European Languages with Hummingbird SearchServer TM at CLEF 2003....Pages 286-300
Océ at CLEF 2003....Pages 301-309
Comparing Weighting Models for Monolingual Information Retrieval....Pages 310-318
Pruning Texts with NLP and Expanding Queries with an Ontology: TagSearch....Pages 319-321
Report on CLEF-2003 Monolingual Tracks: Fusion of Probabilistic Models for Effective Monolingual Retrieval....Pages 322-336
Selective Compound Splitting of Swedish Queries for Boolean Combinations of Truncated Terms....Pages 337-344
COLE Experiments at CLEF 2003 in the Spanish Monolingual Track....Pages 345-357
Experiments with Self Organizing Maps in CLEF 2003....Pages 358-366
Ricoh at CLEF 2003....Pages 367-372
MediaLab at CLEF-2003: Using Keyword Disambiguation....Pages 373-375
The GIRT Data in the Evaluation of CLIR Systems – from 1997 Until 2003....Pages 376-390
A Data-Compression Approach to the Monolingual GIRT Task: An Agnostic Point of View....Pages 391-400
UC Berkeley at CLEF-2003 – Russian Language Experiments and Domain-Specific Retrieval....Pages 401-411
University of Hagen at CLEF 2003: Natural Language Access to the GIRT4 Data....Pages 412-424
The CLEF 2003 Interactive Track....Pages 425-434
iCLEF 2003 at Maryland: Translation Selection and Document Selection....Pages 435-449
UNED at iCLEF 2003: Searching Cross-Language Summaries....Pages 450-461
Comparing Syntactic-Semantic Patterns and Passages in Interactive Cross Language Information Access (iCLEF at University of Alicante)....Pages 462-467
Continued Experiments on Cross-Language Relevance Assessment....Pages 468-470
The Multiple Language Question Answering Track at CLEF 2003....Pages 471-486
Creating the DISEQuA Corpus: A Test Set for Multilingual Question Answering....Pages 487-500
Bridging Languages for Question Answering: DIOGENE at CLEF 2003....Pages 501-513
Cross-Language Question Answering at the USC Information Sciences Institute....Pages 514-522
How Frogs Built the Berlin Wall....Pages 523-534
Cross Lingual QA: A Modular Baseline in CLEF 2003....Pages 535-540
Question Answering in Spanish....Pages 541-548
Quantum, a French/English Cross-Language Question Answering System....Pages 549-558
A Cross–Language Question/Answering–System for German and English....Pages 559-571
Cross-Language French-English Question Answering Using the DLT System at CLEF 2003....Pages 572-580
The CLEF 2003 Cross Language Image Retrieval Track....Pages 581-593
Assessing Translation Quality for Cross Language Image Retrieval....Pages 594-610
Foreign Name Backward Transliteration in Chinese-English Cross-Language Image Retrieval....Pages 611-620
Image Retrieval: The MIRACLE Approach....Pages 621-630
Scene of Crime Information System: Playing at St. Andrews....Pages 631-645
The CLEF 2003 Cross-Language Spoken Document Retrieval Track....Pages 646-652
Exeter at CLEF 2003: Cross-Language Spoken Document Retrieval Experiments....Pages 653-657
N-Grams for Translation and Retrieval in CL-SDR....Pages 658-663
Spoken Document Retrieval Experiments with IR-n System....Pages 664-671
ITC-irst at CLEF 2003: Cross-Language Spoken Document Retrieval....Pages 672-675
Back Matter....Pages -