5630 search results - page 968 / 1126 » Computability in Specification |
224
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SIGMOD
2009
ACM
16 years 5 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...
251
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SIGMOD
2009
ACM
16 years 5 months ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...
220
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
The concept of dominance has recently attracted much interest in the context of skyline computation. Given an Ndimensional data set S, a point p is said to dominate q if p is bett...
225
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
176
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PERCOM
2006
ACM
16 years 4 months ago
2006
ACM
In this paper we study the use of vehicles as sensors in a "vehicular sensor network," a new network paradigm that is critical for gathering valuable information in urba...