705 search results - page 55 / 141 » Approximating Extended Answer Sets |
157
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MLDM
2008
Springer
15 years 6 months ago
2008
Springer
Monitoring frequently occuring items is a recurring task in a variety of applications. Although a number of solutions have been proposed there has been few to address the problem i...
175
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ICDT
2005
ACM
15 years 11 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
168
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SIGECOM
2009
ACM
16 years 19 days ago
2009
ACM
The Target Set Selection problem proposed by Kempe, Kleinberg, and Tardos, gives a nice clean combinatorial formulation for many problems arising in economy, sociology, and medicin...
198
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SIGECOM
2009
ACM
16 years 19 days ago
2009
ACM
The literature on algorithmic mechanism design is mostly concerned with game-theoretic versions of optimization problems to which standard economic money-based mechanisms cannot b...
190
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CIKM
2000
Springer
15 years 10 months ago
2000
Springer
—As databases increasingly integrate different types of information such as multimedia, spatial, time-series, and scientific data, it becomes necessary to support efficient retri...