5350 search results - page 911 / 1070 » Space and time in eco-ontologies |
184
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PVLDB
2010
15 years 4 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
198
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RE
2010
Springer
15 years 4 months ago
2010
Springer
Abstract The generation of traceability links or traceability matrices is vital to many software engineering activities. It is also person-power intensive, time-consuming, error-pr...
166
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SIAMCOMP
2010
15 years 4 months ago
2010
Let G = (V, E) be a weighted undirected graph having non-negative edge weights. An estimate ˆδ(u, v) of the actual distance δ(u, v) between u, v ∈ V is said to be of stretch t...
160
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
180
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SPIN
2010
Springer
15 years 4 months ago
2010
Springer
Directed model checking is a well-established technique to efficiently tackle the state explosion problem when the aim is to find error states in concurrent systems. Although dir...