2223 search results - page 11 / 445 » Query Optimization in an OODBMS |
EDBT
2012
ACM
11 years 9 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
CIDR
2011
12 years 11 months ago
2011
For some problems, human assistance is needed in addition to automated (algorithmic) computation. In sharp contrast to existing data management approaches, where human input is ei...
CORR
2012
Springer
12 years 3 months ago
2012
Springer
We propose a novel mechanism for answering sets of counting queries under differential privacy. Given a workload of counting queries, the mechanism automatically selects a differ...
SIGMOD
1992
ACM
13 years 11 months ago
1992
ACM
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...
AICS
2009
13 years 5 months ago
2009
Document length normalisation is known to be a difficult problem in IR, as tuning is often needed to overcome the collection dependence problem known to affect many normalisation s...