3368 search results - page 247 / 674 » The Complexity of Query Reliability |
295
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
The vast majority of work on skyline queries considers totally ordered domains, whereas in many applications some attributes are partially ordered, as for instance, domains of set ...
294
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
283
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
182
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STOC
2009
ACM
16 years 7 months ago
2009
ACM
We present an improved oracle for the distance sensitivity problem. The goal is to preprocess a directed graph G = (V, E) with non-negative edge weights to answer queries of the f...
165
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RECOMB
2009
Springer
16 years 7 months ago
2009
Springer
Finding similar structures from 3-D structure databases of proteins is becoming more and more important issue in the post-genomic molecular biology. To compare 3-D structures of tw...