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Overview of iCLEF 2009: Exploring Search Behaviour in a Multilingual Folksonomy environment
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In: http://clef.isti.cnr.it/2009/working_notes/iclef_overview_2009.pdf (2009)
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Overview of iCLEF 2008: search log analysis for Multilingual Image Retrieval
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In: http://ceur-ws.org/Vol-1174/CLEF2008wn-iCLEF-GonzaloEt2008.pdf (2008)
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| 3 |
General Terms
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In: http://eprints.sics.se/321/01/iclef-2006-overview-v4.pdf
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General
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In: http://nlp.uned.es/pergamus/pubs/uned-iclef06.pdf
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F.: FlickLing: a multilingual search interface for Flickr
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In: http://clef.isti.cnr.it/2008/working_notes/peinado-paper_OC_CLE2008.pdf
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F.: UNED at iCLEF 2008: Analysis of a large log of multilingual image searches in Flickr
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In: http://ceur-ws.org/Vol-1174/CLEF2008wn-iCLEF-PeinadoEt2008b.pdf
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Abstract:
In this paper, we summarise our analysis of the large log of multilingual image searches in Flickr provided to iCLEF 2008 participants. We have studied (a) correlations be-tween the language skills of searchers in the target language and other session para-meters, such as success (was the image found?), number of query refinements, etc.; (b) learning effects over time; (c) usage of specific cross-language search facilities and (d) users perceptions on the task (questionnaire analysis). We have identified 5101 complete search sessions (searcher/target image pairs) in the logs provided by the organisation. Our analysis shows that when users have active competence in the target language, their success rate is 12 % higher than if they do not know the language at all. If the user has passive competence of the language (i.e. can partially understand texts but cannot make queries), the success rate equals those with active competence, but at the expense of executing more interactions with the system. The most remarkable learning effect is that users carry out fewer interactions when they are familiarised with the task and the system, keeping the success rate and the number of hints invariant. Finally, the usage of specific cross-language facilities (such as refining translations offered by the system) is low, but significantly higher than standard relevance feedback facilities, and is perceived as useful by searchers.
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Keyword:
Categories and Subject Descriptors H.3 [Information Storage and Retrieval; cross-language information retrieval Keywords iCLEF; Flickr; H.3.1 Content Analysis and Indexing; H.3.3 Infor- mation Search and Retrieval; H.4 [Information Systems Applications; H.4.m Miscellaneous General Terms interactive information retrieval
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URL: http://ceur-ws.org/Vol-1174/CLEF2008wn-iCLEF-PeinadoEt2008b.pdf
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.663.7183
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| 7 |
General
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In: http://ir.shef.ac.uk/cloughie/papers/iclef2008.pdf
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| 8 |
General
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In: http://www.sics.se/%7Ejussi/Artiklar/2008.09.17.CLEF.Arhus/iclef_overview.pdf
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