4645 search results - page 656 / 929 » Using Information Extraction to Improve Document Retrieval |
196
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ACIIDS
2009
IEEE
15 years 11 months ago
2009
IEEE
— We consider the problem of processing exact results for sliding window joins over data streams with limited memory. Existing approaches deal with memory limitations by shedding...
191
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EKAW
2004
Springer
16 years 1 days ago
2004
Springer
The exploration of large information spaces is a difficult task, especially if the user is not familiar with the terminology used to describe information. Conceptual models of a do...
162
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ECIR
2004
Springer
15 years 8 months ago
2004
Springer
In this paper we report on a study of implicit feedback models for unobtrusively tracking the information needs of searchers. Such models use relevance information gathered from se...
197
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ISCI
2007
15 years 6 months ago
2007
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...
181
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MVA
2007
15 years 8 months ago
2007
This paper presents a new approach to extracting and representing structural features of images. The approach is based on both a region-based analysis and a contour-based analysis...