7167 search results - page 495 / 1434 » Answer Set Programming |
148
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PODS
2008
ACM
16 years 4 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
188
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WADS
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. A Semi-Separated Pair Decomposition (SSPD), with parameter s > 1, of a set S ⊂ Rd is a set {(Ai, Bi)} of pairs of subsets of S such that for each i, there are balls ...
110
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CIKM
2007
Springer
15 years 10 months ago
2007
Springer
Heterogeneous entities or objects are very common and are usually interrelated with each other in many scenarios. For example, typical Web search activities involve multiple types...
150
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SIGMOD
1994
ACM
15 years 8 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
177
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ICDE
2011
IEEE
14 years 8 months ago
2011
IEEE
— The study of skylines and their variants has received considerable attention in recent years. Skylines are essentially sets of most interesting (undominated) tuples in a databa...