449 search results - page 6 / 90 » Novel Optimization Techniques for Modern Database Environmen... |
SIGMOD
1992
ACM
13 years 10 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...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
ICDAR
2011
IEEE
12 years 6 months ago
2011
IEEE
—We propose a novel scenario called “writer retrieval” consisting in the retrieval from a set of documents all those produced by the same writer. The retrieval is based on a ...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...
SSDBM
2003
IEEE
13 years 12 months ago
2003
IEEE
— Many novel spatio-temporal applications deal with moving objects. In such environments, a database typically maintains the initial position and the moving function for each obj...