1500 search results - page 58 / 300 » Query Optimization in Database Grid |
WEBDB
2000
Springer
14 years 13 days ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
SCCC
2005
IEEE
14 years 2 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
CLEF
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
VLDB
1994
ACM
14 years 29 days ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
SSDBM
2007
IEEE
14 years 3 months ago
2007
IEEE
High energy physics scientists analyze large amounts of data looking for interesting events when particles collide. These analyses are easily expressed using complex queries that ...