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Advances in Cross-Language Information Retrieval : Third Workshop of the Cross-Language Evaluation Forum, CLEF 2002 Rome, Italy, September 19-20, 2002 Revised Papers - Carol Peters

Advances in Cross-Language Information Retrieval

Third Workshop of the Cross-Language Evaluation Forum, CLEF 2002 Rome, Italy, September 19-20, 2002 Revised Papers

By: Carol Peters (Editor), Martin Braschler (Editor), Julio A. Gonzalo (Editor), Martin Kluck (Editor)

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Published: 10th October 2003
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The third campaignof the Cross-LanguageEvaluation Forum (CLEF) for Eu- pean languages was held from January to September 2002. Participation in this campaignshowedaslightriseinthenumberofparticipantswith,37groupsfrom both academia and industry and a steep rise in the number of experiments they submitted for oneor moreof the ?ve o?cialtracks. The campaignculminated in atwo-dayworkshopheldinRome, Italy,19-20September, immediatelyfollowing the Sixth European Conference on Digital Libraries (ECDL 2002), attended by nearly 70 researchersand system developers. The objective of the workshop was to bring together the groups that had participated in CLEF 2002 so that they could report on the results of their experiments. Attendance at the workshop was thus limited to participants in the campaignplus severalinvited guests with recognized expertise in the multilingual information access ?eld. This volume contains thoroughly revised and expanded versions of the preliminary papers presented at the workshop accompanied by a complete run-down and detailed analysis of the results, and it thus provides an exhaustive record of the CLEF 2002 campaign. CLEF2002 wasconducted within the frameworkof a projectof the Infor- tion Society Technologies programme of the European Commission (IST-2000- 31002). The campaign was organized in collaboration with the US National - stitute ofStandardsandTechnology(NIST)andwiththe supportoftheDELOS Network of Excellence for Digital Libraries. The support of NIST and DELOS in the running of the evaluation campaign is gratefully acknowledged. We would also like to thank the other members of the Workshop Steering Committee for their assistance in the coordination of this event.

Introductionp. 1
CLEF 2002 - Overview of Resultsp. 9
Cross-Language Retrieval Experiments at CLEF 2002p. 28
ITC-irst at CLEF 2002: Using N-Best Query Translations for CLIRp. 49
Oce at CLEF 2002p. 59
Report on CLEF 2002 Experiments: Combining Multiple Sources of Evidencep. 66
UTACLIR @ CLEF 2002 - Bilingual and Multilingual Runs with a Unified Processp. 91
A Multilingual Approach to Multilingual Information Retrievalp. 101
Combining Evidence for Cross-Language Information Retrievalp. 111
Exeter at CLEF 2002: Experiments with Machine Translation for Monolingual and Bilingual Retrievalp. 127
Portuguese-English Experiments Using Latent Semantic Indexingp. 147
Thomson Legal and Regulatory Experiments for CLEF 2002p. 155
Eurospider at CLEF 2002p. 164
Merging Mechanisms in Multilingual Information Retrievalp. 175
SINAI at CLEF 2002: Experiments with Merging Strategiesp. 187
Cross-Language Retrieval at the University of Twente and TNOp. 197
Scalable Multilingual Information Accessp. 207
Some Experiments with the Dutch Collectionp. 219
Resolving Translation Ambiguity Using Monolingual Corporap. 223
Experiments in 8 European Languages with Hummingbird SearchServer at CLEF 2002p. 242
Italian Monolingual Information Retrieval with PROSITp. 257
COLE Experiments in the CLEF 2002 Spanish Monolingual Trackp. 265
Improving the Automatic Retrieval of Text Documentsp. 279
IR-n System at CLEF-2002p. 291
Experiments in Term Expansion Using Thesauri in Spanishp. 301
SICS at CLEF 2002: Automatic Query Expansion Using Random Indexingp. 311
Pliers and Snowball at CLEF 2002p. 321
Experiments with a Chunker and Lucenep. 336
Information Retrieval with Language Knowledgep. 338
Domain Specific Retrieval Experiments with MIMOR at the University of Hildesheimp. 343
Using Thesauri in Cross-Language Retrieval of German and French Indexed Collectionsp. 349
Assessing Automatically Extracted Bilingual Lexicons for CLIR in Vertical Domains: XRCE Participation in the GIRT Track of CLEF 2002p. 363
The CLEF 2002 Interactive Trackp. 372
SICS at iCLEF 2002: Cross-Language Relevance Assessment and Task Contextp. 383
Universities of Alicante and Jaen at iCLEFp. 392
Comparing User-Assisted and Automatic Query Translationp. 400
Interactive Cross-Language Searching: Phrases Are Better than Terms for Query Formulation and Refinementp. 416
Exploring the Effect of Query Translation when Searching Cross-Languagep. 430
CLEF 2002 Cross-Language Spoken Document Retrieval Pilot Track Reportp. 446
Exeter at CLEF 2002: Cross-Language Spoken Document Retrieval Experimentsp. 458
Cross-Language Spoken Document Retrieval on the TREC SDR Collectionp. 476
CLIR at NTCIR Workshop 3: Cross-Language and Cross-Genre Retrievalp. 485
Linguistic and Statistical Analysis of the CLEF Topicsp. 505
CLEF 2002 Methodology and Metricsp. 512
List of Run Characteristicsp. 529
Overview Graphsp. 533
Multilingual Runsp. 544
Bilingual to German Runsp. 580
Bilingual to English Runsp. 593
Bilingual to Spanish Runsp. 609
Bilingual to Finnish Runsp. 625
Bilingual to French Runsp. 627
Bilingual to Italian Runsp. 641
Bilingual to Dutch Runsp. 655
Bilingual to Swedish Runsp. 664
Monolingual German Runsp. 665
Monolingual Spanish Runsp. 666
Monolingual Finnish Runsp. 714
Monolingual French Runsp. 725
Monolingual Italian Runsp. 741
Monolingual Dutch Runsp. 766
Monolingual Swedish Runsp. 785
AMARYLLIS Domain-Specific Runsp. 794
GIRT Domain-Specific Runsp. 809
Author Indexp. 827
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9783540408307
ISBN-10: 3540408304
Series: Lecture Notes in Computer Science
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 831
Published: 10th October 2003
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.5 x 15.5  x 4.27
Weight (kg): 1.26