2987 search results - page 297 / 598 » Multiobjective Query Optimization |
98
Voted
KDD
2005
ACM
16 years 3 months ago
2005
ACM
We present an algorithm for mining tree-shaped patterns in a large graph. Novel about our class of patterns is that they can contain constants, and can contain existential nodes w...
124
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PODS
2005
ACM
16 years 2 months ago
2005
ACM
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...
121
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ICPADS
2008
IEEE
15 years 9 months ago
2008
IEEE
Existing solutions for top-k queries in wireless sensor networks mainly focused on energy efficiency and little attention has been paid to the response time to answer a top-k que...
116
Voted
ICPP
2003
IEEE
15 years 7 months ago
2003
IEEE
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...
142
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SSDBM
2002
IEEE
15 years 7 months ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...