508 search results - page 16 / 102 » Bringing Order to Query Optimization |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
WISE
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
SWAP
2007
13 years 8 months ago
2007
The JUMP project aims at bringing together the knowledge stored in different information systems in order to satisfy information and training needs in knowledge-intensive organisa...
EWDW
1994
13 years 11 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...