983 search results - page 176 / 197 » Continuous Queries in Oracle |
CAISE
2003
Springer
15 years 2 months ago
2003
Springer
In a selective information dissemination (SDI) system, users submit profiles consisting of a number of long-standing queries to represent their information needs. The system then c...
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ICRA
2000
IEEE
15 years 2 months ago
2000
IEEE
We present techniques for fast motion planning by using discrete approximations of generalized Voronoi diagrams, computed with graphics hardware. Approaches based on this diagram ...
COMPGEOM
2000
ACM
15 years 2 months ago
2000
ACM
We describe a kinetic data structure (KDS) that maintains the connected components of the union of a set of unit-radius disks moving in the plane. We assume that the motion of eac...
SIGMOD
2000
ACM
15 years 2 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
CIKM
1999
Springer
15 years 1 months ago
1999
Springer
Prior work has shown that combining results of various retrieval approaches and query representations can improve search effectiveness. Today, many meta-search engines exist which...