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By Carol; Gonzalo, Julio; Braschler, Martin; Kluck, Michael (editors) Peters

The fourth crusade of the Cross-language review discussion board (CLEF) for eu languages used to be held from January to August 2003. Participation during this crusade confirmed a moderate upward push within the variety of individuals from the former yr, with forty two teams filing effects for a number of of the various tracks (compared with 37 in 2002), yet a steep upward push within the variety of experiments tried. a particular function of CLEF 2003 was once the variety of new tracks and initiatives that have been provided as pilot experiments. the purpose was once to aim out new rules and to motivate the advance of recent assessment methodologies, suited for the rising specifications of either method builders and clients with admire to today’s electronic collections and to motivate paintings on many eu languages instead of simply these most generally used. CLEF is therefore progressively pushing its contributors in the direction of the final word target: the improvement of really multilingual platforms in a position to processing collections in assorted media. The crusade culminated in a two-day workshop held in Trondheim, Norway, 21–22 August, instantly following the seventh ecu convention on electronic Libraries (ECDL 2003), and attended by means of greater than 70 researchers and procedure builders. the target of the workshop used to be to compile the teams that had participated within the CLEF 2003 crusade so they may possibly file at the result of their experiments.

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Additional resources for 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

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The differences may be summarized as follows: 1. Pooling strategies are slightly different according to the task. Additional interactive recall-oriented searches are performed to improve the exhaustivity (NTCIR-1, -2) [8] 38 N. Kando Additional interactive recall-oriented searches are performed by professional patent intermediaries (PATENT) [9] A “One-click distance model”, in which hyperlinked documents can be seen in WEB [10] Cross-lingual pooling for parallel or quasi-parallel documents (NTCIR-1, 2)[8] Graded-depth pooling: pool creation using top10, 11–20, 21–30, 31–41, (PATENT) [9] 2.

Kando For WEB, one participating group was a collaboration of research groups with strong backgrounds in content-based text retrieval and web-link analysis, and this worked well for NTCIR-3 WEB. , the most important terms for the users (topic authors) [15]. 5 Challenges at NTCIR-4 As shown in Table 1, the Fourth NTCIR Workshop is hosting five tasks, CLIR, PATENT, QAC, TSC, and WEB and their sub-tasks. jp/ntcir/ntc-ws4, or contact the author. 1 NTCIR-4 CLIR As this is the second multilingual CLIR at NTCIR, the task design will be a continuation of the previous one.

Much 20 M. Braschler and C. Peters of the methodology employed in the CLEF campaigns is based on TREC, and the authors would like to express their gratitude in particular to Donna Harman and Ellen Voorhees. 1 of this paper is based on a description contained in [12]. We thank Peter Schäuble for his contribution. References 1. : The Cranfield Tests on Index Language Devices. , Willett, P. ): Readings in Information Retrieval, Morgan Kaufmann (1997) 47--59. 2. : The TREC Conferences. , Rittberger, M.

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