3225 search results - page 156 / 645 » Query Optimization by Stored Queries |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
CEAS
2005
Springer
14 years 3 months ago
2005
Springer
Implicit query systems examine a document and automatically conduct searches for the most relevant information. In this paper, we offer three contributions to implicit query resea...
IPPS
2002
IEEE
14 years 3 months ago
2002
IEEE
Query scheduling plays an important role when systems are faced with limited resources and high workloads. It becomes even more relevant for servers applying multiple query optimi...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
PPDP
2010
Springer
13 years 8 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...