3225 search results - page 79 / 645 » Query Optimization by Stored Queries |
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
IDEAS
1999
IEEE
14 years 1 months ago
1999
IEEE
The number of documents published via WWW in form of SGML/HTML has been rapidly growing for years. Efficient, declarative access mechanisms for this type of documents
VLDB
2000
ACM
14 years 10 days ago
2000
ACM
A range-max query finds the maximum value over all selected cells of an on-line analytical processing (OLAP) data cube where the selection is specified by ranges of contiguous val...
IS
2007
13 years 8 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
DBISP2P
2005
Springer
14 years 2 months ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...