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EDBT
2011
ACM
14 years 7 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
191
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ICDE
2011
IEEE
14 years 7 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
135
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IJNSEC
2011
14 years 10 months ago
2011
Shen and Chen proposed a novel key management scheme for dynamic access control in a hierarchy. In this article, the authors shall present an improved version of Shen and Chen’s...
161
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ENTCS
2011
14 years 7 months ago
2011
We revisit the connection between three notions of computation: Moggi’s monads, Hughes’s arrows and McBride and Paterson’s idioms (also called applicative functors). We show...
161
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EUROCRYPT
2011
Springer
14 years 7 months ago
2011
Springer
Abstract. We describe efficient formulas for computing pairings on ordinary elliptic curves over prime fields. First, we generalize lazy reduction techniques, previously considere...