By Carol Peters (auth.), Carol Peters, Fredric C. Gey, Julio Gonzalo, Henning Müller, Gareth J. F. Jones, Michael Kluck, Bernardo Magnini, Maarten de Rijke (eds.)
The 6th crusade of the move Language assessment discussion board (CLEF) for ecu languages was once held from January to September 2005. CLEF is through now a longtime foreign overview initiative and seventy four teams from world wide submitted effects for a number of of the several overview tracks in 2005, in comparison with fifty four teams in 2004. there have been 8 certain review tracks, designed to check the functionality of a variety of structures for multilingual info entry. complete information concerning the layout of the tracks, the methodologies used for assessment, and the consequences received through the members are available within the assorted sections of those lawsuits. As consistently the result of the crusade have been mentioned and mentioned on the annual workshop held in Vienna, Austria, September 21-23, instantly following the 9th ecu convention on electronic Libraries. The workshop was once attended through nearly one hundred ten educational and business researchers and process builders. as well as shows through members within the crusade, Noriko Kando from the nationwide Institute of Informatics, Tokyo, gave an invited speak at the actions of the NTCIR evaluate initiative for Asian languages. Breakout classes gave members an opportunity to debate principles and ends up in element. the ultimate consultation used to be devoted to proposals for actions for CLEF 2006. The shows given on the workshop are available at the CLEF website at: www. clef-campaign. org. we must always wish to thank the opposite individuals of the CLEF steerage Committee for his or her suggestions within the coordination of this event.
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Extra resources for Accessing Multilingual Information Repositories: 6th Workshop of the Cross-Language Evalution Forum, CLEF 2005, Vienna, Austria, 21-23 September, 2005, Revised Selected Papers
09%; Run humHU05tde, TD Auto, Pooled] hildesheim [Avg. Prec. 64%; Run UHIHU2, TD Auto, Pooled] 80% Average Precision 70% 60% 50% 40% 30% 20% 10% 0% 0% 10% 20% 30% 40% 50% 60% Interpolated Recall 70% 80% 90% 100% Fig. 3. Monolingual Hungarian of the sub-task. Table 3 regards runs using title + description ﬁelds only (the mandatory run). All the groups in the top ﬁve had participated in previous editions of CLEF. Both pooled and not pooled runs are included in the best entries for each track. CLEF 2005: Ad Hoc Track Overview 19 CLEF 2005 − Top 5 participants of Ad−Hoc Monolingual PT − Interpolated Recall vs Average Precision 100% unine [Avg.
Several experiments with different boost values and blind relevance feedback parameters were carried out for each stemmer. The following tables 6, 7 and 8 show the results for the three stemmers. Yet again, searching on structured document parts instead of the full text was worse. More importantly, even the baseline run with an Egothor-based stemmer was better than any n-gram run. Table 9 summarizes the settings for the best runs. Boost values were applied to title, description and terms from blind relevance feedback in this order.
Boost values were applied to title, description and terms from blind relevance feedback in this order. 3 Results of Submitted Runs The parameters settings optimized with the French collection of CLEF 2004 were applied to the multi-lingual collection in 2005. We submitted monolingual runs for Bulgarian, French, Hungarian and domain specific (GIRT), bilingual runs for French and GIRT.