333 search results - page 21 / 67 » Query Optimization Using Local Completeness |
ESWS
2008
Springer
13 years 9 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...
COMBINATORICA
2011
12 years 7 months ago
2011
The topological Tverberg theorem states that for any prime power q and continuous map from a (d + 1)(q − 1)-simplex to Rd , there are q disjoint faces Fi of the simplex whose im...
SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
IPMI
2005
Springer
14 years 1 months ago
2005
Springer
Many types of transformations are used to model deformations in medical image registration. While some focus on modeling local changes, some on continuity and invertibility, there ...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Scheduling data processing workflows (dataflows) on the cloud is a very complex and challenging task. It is essentially an optimization problem, very similar to query optimizati...