2228 search results - page 45 / 446 » A System for Semantic Query Optimization |
VLDB
1999
ACM
14 years 1 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...
OWLED
2008
13 years 10 months ago
2008
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
DGO
2003
13 years 10 months ago
2003
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...
CIVR
2006
Springer
14 years 27 days ago
2006
Springer
A combination of query-by-visual-example (QBVE) and semantic retrieval (SR), denoted as query-by-semantic-example (QBSE), is proposed. Images are labeled with respect to a vocabula...