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111
Voted
MOBIHOC
2009
ACM
16 years 4 months ago
2009
ACM
We consider a high density of sensors randomly placed in a geographical area for event monitoring. The monitoring regions of the sensors may have significant overlap, and a subset...
119
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KDD
2005
ACM
16 years 3 months ago
2005
ACM
Protection of privacy has become an important problem in data mining. In particular, individuals have become increasingly unwilling to share their data, frequently resulting in in...
145
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STOC
2003
ACM
16 years 3 months ago
2003
ACM
This paper provides the first explicit construction of extractors which are simultaneously optimal up to constant factors in both seed length and output length. More precisely, fo...
135
Voted
SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
143
Voted
MOBIHOC
2006
ACM
16 years 3 months ago
2006
ACM
Localization is an important and extensively studied problem in ad-hoc wireless sensor networks. Given the connectivity graph of the sensor nodes, along with additional local info...