735 search results - page 5 / 147 » Query Optimization In Compressed Database Systems |
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
IDEAS
2010
IEEE
13 years 6 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Publication
Tuning database system configuration parameters to proper values according to the expected query workload plays a very important role in determining DBMS performance. However, the ...
DEXAW
2007
IEEE
14 years 2 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
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...