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115
Voted
SSDBM
2005
IEEE
15 years 8 months ago
2005
IEEE
This paper introduces a framework for Phenomena Detection and Tracking (PDT, for short) in sensor network databases. Examples of detectable phenomena include the propagation over ...
131
Voted
CCS
2005
ACM
15 years 8 months ago
2005
ACM
Policy enforcement is an integral part of many applications. Policies are often used to control access to sensitive information. Current policy specification languages give users ...
116
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ICALP
2003
Springer
15 years 8 months ago
2003
Springer
Suppose we have n algorithms, quantum or classical, each computing some bit-value with bounded error probability. We describe a quantum algorithm that uses O( √ n) repetitions of...
193
Voted
SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
106
Voted
ISCI
2007
15 years 2 months ago
2007
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...