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184
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
165
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
185
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Many online or local data sources provide powerful querying mechanisms but limited ranking capabilities. For instance, PubMed allows users to submit highly expressive Boolean keywo...
192
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WWW
2010
ACM
16 years 1 months ago
2010
ACM
We introduce a new dissimilarity function for ranked lists, the expected weighted Hoeffding distance, that has several advantages over current dissimilarity measures for ranked s...
166
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COMPGEOM
2006
ACM
16 years 14 days ago
2006
ACM
We study the problem of covering a set of points or polyhedra in 3 with two axis-aligned boxes in order to minimize a function of the measures of the two boxes, such as the sum or...