6004 search results - page 328 / 1201 » Parallelizing query optimization |
113
Voted
CIKM
2005
Springer
15 years 2 months ago
2005
Springer
We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...
106
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ISCI
2007
15 years 20 days ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
101
Voted
SIGMOD
2011
ACM
14 years 3 months ago
2011
ACM
We are witnessing an exciting revival of interest in recursive Datalog queries in a variety of emerging application domains such as data integration, information extraction, netwo...
126
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BDA
1993
15 years 2 months ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
104
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MOBIHOC
2003
ACM
16 years 11 days ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...