2217 search results - page 380 / 444 » Rank-aware Query Optimization |
108
Voted
COMPGEOM
2000
ACM
15 years 7 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...
91
Voted
AGENTS
2000
Springer
15 years 7 months ago
2000
Springer
Recent research has made it possible to build information agents that retrieve and integrate information from the World Wide Web. Although there now exist solutions for modeling W...
103
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CIKM
2000
Springer
15 years 7 months ago
2000
Springer
An e ective bu er management system is crucial for any database management system. While much work has been expended to provide extensible data types,extensible query languages an...
125
Voted
FOCS
1999
IEEE
15 years 6 months ago
1999
IEEE
This paper connects two fundamental ideas from theoretical computer science: hard-core set construction, a type of hardness amplification from computational complexity, and boosti...
94
Voted
JCSS
2000
15 years 2 months ago
2000
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...