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PODS
2007
ACM
14 years 9 months ago
2007
ACM
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
PODS
2008
ACM
14 years 9 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
ICSE
2005
IEEE-ACM
14 years 9 months ago
2005
IEEE-ACM
Software systems evolve over time due to changes in requirements, optimization of code, fixes for security and reliability bugs etc. Code churn, which measures the changes made to...
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
A Connected Dominating Set (CDS) working as a virtual backbone is an effective way to decrease the overhead of routing in a wireless sensor network. Furthermore, a kConnected m-Do...