297 search results - page 14 / 60 » Polynomial heuristics for query optimization |
ADC
2005
Springer
14 years 1 months ago
2005
Springer
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
PODS
2001
ACM
14 years 7 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
EDBT
2012
ACM
11 years 10 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...