3225 search results - page 34 / 645 » Query Optimization by Stored Queries |
SEMWEB
2010
Springer
13 years 6 months ago
2010
Springer
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
DCOSS
2009
Springer
14 years 3 months ago
2009
Springer
Wireless sensor networks (WSNs) have been proposed for a large variety of applications. As the number of applications of sensor networks continue to grow, the number of users in se...
BTW
2007
Springer
14 years 2 months ago
2007
Springer
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
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The wide spread use of cellular phones, handheld devices, and GPS-like technology enables location-aware environments where virtually all objects are aware of their locations. Loca...