9719 search results - page 145 / 1944 » Answer Set Optimization |
VLDB
2007
ACM
15 years 7 months ago
2007
ACM
A relational ranking query uses a scoring function to limit the results of a conventional query to a small number of the most relevant answers. The increasing popularity of this q...
115
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FAW
2008
Springer
15 years 2 months ago
2008
Springer
Abstract. We study a constrained version of the shortest path problem in polygonal domains, in which the path must visit a given target polygon. We provide an efficient algorithm f...
150
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FOCS
2009
IEEE
15 years 7 months ago
2009
IEEE
Abstract— Thorup and Zwick, in their seminal work, introduced the approximate distance oracle, which is a data structure that answers distance queries in a graph. For any integer...
193
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
We consider the problem of maintaining frequency counts for items occurring frequently in the union of multiple distributed data streams. Na?ive methods of combining approximate f...
126
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INFOCOM
2008
IEEE
15 years 7 months ago
2008
IEEE
Abstract—We study the throughput capacity of wireless networks which employ (asynchronous) random-access scheduling as opposed to deterministic scheduling. The central question w...