Download Focused Retrieval and Evaluation: 8th International Workshop by Peter Bruza (auth.), Shlomo Geva, Jaap Kamps, Andrew Trotman PDF

By Peter Bruza (auth.), Shlomo Geva, Jaap Kamps, Andrew Trotman (eds.)

This ebook constitutes the completely refereed post-workshop complaints of the eighth foreign Workshop of the Initiative for the evaluate of XML Retrieval, INEX 2009, held in Brisbane, Australia, in December 2009. the purpose of the INEX 2009 workshop was once to collect researchers within the box of XML IR who participated within the INEX 2009 crusade. in the past 12 months, partaking enterprises contributed to the development of large-scale XML attempt collections by means of growing subject matters, acting retrieval runs and delivering relevance exams. The workshop concluded the result of this attempt, summarized and addressed matters encountered, and devised a piece plan for the longer term overview of XML retrieval platforms. The forty two complete papers offered including three invited papers have been conscientiously reviewed and chosen from forty nine submissions. they've been divided into sections in accordance with the 8 tracks of the workshop, investigating quite a few features of XML retrieval, from e-book seek to entity

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Extra info for Focused Retrieval and Evaluation: 8th International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2009, Brisbane, Australia, December 7-9, 2009, Revised and Selected Papers

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4). Section 4 details particular types of runs (such as element versus passage, using phrases or using the reference run), and on particular subsets of the topics (such as topics with a non-trivial CAS query). Section 6 looks at the article retrieval aspects of the submissions, treating any article with highlighted text as relevant. We study the impact of result length in Section 7. Finally, in Section 8, we discuss our findings and draw some conclusions. 2 Analysis of the Relevance Judgments In this section, we analyze the relevance assessments used in the Ad Hoc Track.

The first main research question was to study the effect of the new collection. We saw that the collection’s size had little impact, with similar numbers of articles with relevance as for the INEX 2006–2008 collection. The second main research question was the impact of verbose queries using phrases or structural hints. The relatively few phase query submissions showed only marginal differences. The CAS query runs were in general less effective than the CO query runs, with one notable exception for the early precision measures of the Focused Task.

All other runs use only the CO query in the topic’s title field. – The top scoring run retrieves ranges of elements, all other runs retrieve elements as results. – Solid article ranking seems a prerequisite for good overall performance, with second best run, p4-Reference and the eighth best run, p167-09RefR, retrieving only full articles. 5 Best in Context Task We now discuss the results of the Best in Context Task in which documents were ranked on topical relevance and a single best entry point into the document was identified.

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