2223 search results - page 6 / 445 » Query Optimization in an OODBMS |
PODC
2011
ACM
12 years 10 months ago
2011
ACM
We present the Mindicator, a set implementation customized for shared memory runtime systems. The Mindicator is optimized for constant-time querying of its minimum element, while ...
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
DEBU
2008
13 years 7 months ago
2008
Query optimization is an inherently complex problem, and validating the correctness and effectiveness of a query optimizer can be a task of comparable complexity. The overall proc...
VISUAL
1999
Springer
13 years 11 months ago
1999
Springer
Abstract. Methods for processing of pictorial queries speci ed by pictorial query trees are presented. Leaves of a pictorial query tree correspond to individual pictorial queries w...
ICDE
2012
IEEE
11 years 9 months ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...