6004 search results - page 781 / 1201 » Parallelizing query optimization |
147
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DCOSS
2006
Springer
15 years 7 months ago
2006
Springer
Abstract. Today, there exist many algorithms and protocols for constructing agregation or dissemination trees for wireless sensor networks that are optimal (for different notions o...
124
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WWW
2008
ACM
16 years 4 months ago
2008
ACM
Current search mechanisms of DHT-based P2P systems can well handle a single keyword search problem. Other than single keyword search, multi-keyword search is quite popular and use...
148
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STOC
2009
ACM
16 years 4 months ago
2009
ACM
A mechanism for releasing information about a statistical database with sensitive data must resolve a trade-off between utility and privacy. Publishing fully accurate information ...
136
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
150
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IACR
2011
14 years 3 months ago
2011
We consider the family of 2n-to-n-bit compression functions that are solely based on at most three permutation executions and on XOR-operators, and analyze its collision and preima...