77 search results - page 10 / 16 » Foundations of SPARQL Query Optimization |
PODS
2009
ACM
14 years 10 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
WAIM
2005
Springer
14 years 3 months ago
2005
Springer
In order to lay a solid foundation for the emerging semantic web, effective and efficient management of large RDF(S) data is in high demand. In this paper we propose an approach t...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
To truly meet the requirements of multimedia database (MMDB) management, an integrated framework for modeling, managing and retrieving various kinds of media data in a uniform way...
VLDB
1998
ACM
14 years 2 months ago
1998
ACM
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
PODS
2004
ACM
14 years 10 months ago
2004
ACM
The problem of disk declustering is to distribute data among multiple disks to reduce query response times through parallel I/O. A strictly optimal declustering technique is one t...