3049 search results - page 335 / 610 » On the Convergence of Bound Optimization Algorithms |
171
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ALT
2008
Springer
16 years 3 months ago
2008
Springer
In this paper we consider the problem of learning hidden independent cascade social networks using exact value injection queries. These queries involve activating and suppressing a...
142
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APPROX
2009
Springer
16 years 1 months ago
2009
Springer
We show that for every α > 0, there exist n-point metric spaces (X, d) where every “scale” admits a Euclidean embedding with distortion at most α, but the whole space req...
171
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IPPS
2005
IEEE
16 years 8 days ago
2005
IEEE
This paper addresses the problem of fine-grained data replication in large distributed systems, such as the Internet, so as to minimize the user access delays. With fine-grained d...
205
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DBPL
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. We are interested in the theoretical foundations of the optimization of conjunctive regular path queries (CRPQs). The basic problem here is deciding query containment bot...
213
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TMC
2010
15 years 1 months ago
2010
A data mule represents a mobile device that collects data in a sensor field by physically visiting the nodes in a sensor network. The data mule collects data when it is in the prox...