47 search results - page 5 / 10 » Expressing and Optimizing Similarity-Based Queries in SQL |
ADBIS
2009
Springer
13 years 5 months ago
2009
Springer
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...
OWLED
2008
13 years 9 months ago
2008
Abstract. We present Owlgres, a DL-Lite reasoner implementation written for PostgreSQL, a mature open source database. Owlgres is an OWL reasoner that provides consistency checking...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
BTW
2003
Springer
14 years 27 days ago
2003
Springer
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...
SSDBM
2005
IEEE
14 years 1 months ago
2005
IEEE
Advanced Data Mining applications require more and more support from relational database engines. Especially clustering applications in high dimensional features space demand a pr...