2269 search results - page 209 / 454 » Retrieval evaluation with incomplete information |
188
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GIS
2010
ACM
15 years 5 months ago
2010
ACM
Local search is a specialization of the web search that allows users to submit geographically constrained queries. However, one of the challenges for local search engines is to un...
187
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AIRS
2008
Springer
16 years 1 months ago
2008
Springer
Abstract. This paper proposes a hierarchical model to parse both English and Chinese sentences. This is done by iteratively constructing simple constituents first, so that complex...
173
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SIGIR
2003
ACM
15 years 12 months ago
2003
ACM
In this paper, we introduce the fractal summarization model based on the fractal theory. In fractal summarization, the important information is captured from the source text by ex...
175
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Folksonomies provide a comfortable way to search and browse the blogosphere. As the tags in the blogosphere are sparse, ambiguous and too general, this paper proposes both a super...
160
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
Topic Detection and Tracking (TDT) tasks are evaluated using a cost function. The standard TDT cost function assumes a constant probability of relevance P(rel) across all topics. ...