1672 search results - page 113 / 335 » Optimizing Monitoring Queries over Distributed Data |
205
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ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
Search over graph databases has attracted much attention recently due to its usefulness in many fields, such as the analysis of chemical compounds, intrusion detection in network t...
163
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CIKM
2004
Springer
15 years 11 months ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
265
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JPDC
2007
15 years 6 months ago
2007
High-dimensional problems arising from robot motion planning, biology, data mining, and geographic information systems often require the computation of k nearest neighbor (knn) gr...
198
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
165
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MDM
2005
Springer
15 years 11 months ago
2005
Springer
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...