2514 search results - page 482 / 503 » On the Computation of Approximations of Database Queries |
194
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TCSV
2002
15 years 6 months ago
2002
Video query by semantic keywords is one of the most challenging research issues in video data management. To go beyond low-level similarity and access video data content by semanti...
196
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ASIACRYPT
2004
Springer
16 years 2 days ago
2004
Springer
Abstract. Even and Mansour [EM97] proposed a block cipher construction that takes a publicly computable random permutation oracle P and XORs different keys prior to and after appl...
216
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IPSN
2007
Springer
16 years 24 days ago
2007
Springer
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...
188
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IPTPS
2005
Springer
16 years 5 days ago
2005
Springer
— We propose here an analysis of a rich dataset which gives an exhaustive and dynamic view of the exchanges processed in a running eDonkey system. We focus on correlation in term...
200
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COMGEO
2006
ACM
15 years 6 months ago
2006
ACM
The ray shooting problem arises in many different contexts and is a bottleneck of ray tracing in computer graphics. Unfortunately, theoretical solutions to the problem are not ver...