9719 search results - page 250 / 1944 » Answer Set Optimization |
282
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
146
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
175
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
Understanding multi-party meetings involves tasks such as dialog act segmentation and tagging, action item extraction, and summarization. In this paper we introduce a new task for...
166
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ISAAC
2005
Springer
16 years 5 days ago
2005
Springer
In this paper we present space-query trade-offs for external memory data structures that answer shortest path queries on planar directed graphs. For any S = Ω(N1+ ) and S = O(N2...
164
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SSD
2001
Springer
15 years 11 months ago
2001
Springer
In this paper we introduce the notion of constrained nearest neighbor queries (CNN) and propose a series of methods to answer them. This class of queries can be thought of as neare...