10088 search results - page 186 / 2018 » Queries and Computation on the Web |
129
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DAWAK
2003
Springer
15 years 7 months ago
2003
Springer
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
121
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FAW
2009
Springer
15 years 5 months ago
2009
Springer
Abstract. Computing the visibility polygon, VP, of a point in a polygonal scene, is a classical problem that has been studied extensively. In this paper, we consider the problem of...
PERCOM
2008
ACM
16 years 1 months ago
2008
ACM
This paper identifies requirements for querying and accessing context information in mobile and pervasive computing environments. Furthermore it studies existing query languages s...
142
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DPD
2006
15 years 1 months ago
2006
Advances in network technologies and the emergence of Grid computing have both increased the need and provided the infrastructure for computation and data intensive applications to...
148
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ICDE
2012
IEEE
13 years 4 months ago
2012
IEEE
—Shortest distance query between two nodes is a fundamental operation in large-scale networks. Most existing methods in the literature take a landmark embedding approach, which s...