6974 search results - page 962 / 1395 » Querying Semi-Structured Data |
201
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
Measuring the similarity between documents and queries has been extensively studied in information retrieval. However, there are a growing number of tasks that require computing th...
156
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LWA
2008
15 years 8 months ago
2008
We investigate the topical structure of the set of documents used to expand a query in pseudorelevance feedback (PRF). We propose a coherence score to measure the relative topical...
192
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ECIR
2004
Springer
15 years 8 months ago
2004
Springer
We simulate different architectures of a distributed Information Retrieval system on a very large Web collection, in order to work out the optimal setting for a particular set of r...
265
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KRDB
2003
15 years 8 months ago
2003
We report about some preliminary issues from the DFG project “Description Logics and Spatial Reasoning” (“DLS”, DFG Grant NE 279/8-1), one of whose goals is to develop a p...
196
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BMVC
1997
15 years 8 months ago
1997
This paper describes recent work on the use of regional data extracted from segmented images for use as search keys in an image database query system. The motivation for this work...