3225 search results - page 110 / 645 » Query Optimization by Stored Queries |
JCDCG
2000
Springer
14 years 13 days ago
2000
Springer
We present a simple and practical data structure for storing a (not necessarily convex) polyhedron P which can, given a query surface S cutting the polyhedron, determine the volume...
ESWS
2008
Springer
13 years 10 months ago
2008
Springer
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
ADBIS
2007
Springer
14 years 3 months ago
2007
Springer
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
APPROX
2005
Springer
14 years 2 months ago
2005
Springer
We resolve two open problems presented in [8]. First, we consider the problem of reconstructing an unknown string T over a fixed alphabet using queries of the form “does the st...
OTM
2005
Springer
14 years 2 months ago
2005
Springer
Peer-to-peer (P2P) networks are receiving increasing attention in a variety of current applications. In this paper, we concentrate on applications where a mobile user queries peers...