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ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
— Real-world databases often have extremely complex schemas. With thousands of entity types and relationships, each with a hundred or so attributes, it is extremely difficult fo...
MDM
2010
Springer
14 years 13 days ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
DCG
2010
13 years 7 months ago
2010
We consider the well known geometric problem of determining shortest paths between pairs of points on a polyhedral surface P, where P consists of triangular faces with positive we...
INFOSCALE
2007
ACM
13 years 9 months ago
2007
ACM
Several caching techniques have been used to reduce the bandwidth consumption and to provide faster answers in P2P systems. In this paper, we address the problem of reducing unnec...
COMPGEOM
1994
ACM
13 years 11 months ago
1994
ACM
Ray (segment) shooting is the problem of determining the first intersection between a ray (directed line segment) and a collection of polygonal or polyhedral obstacles. In order t...