3225 search results - page 66 / 645 » Query Optimization by Stored Queries |
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
CIA
1998
Springer
14 years 29 days ago
1998
Springer
In a simple cooperative MAS model where a collection of "querying agents" can send queries to a collection of "information agents", we formalize the problem of ...
BDA
2000
13 years 10 months ago
2000
Due to the popularity of the XML data format, several query languages for XML have been proposed, specially devised to handle data whose structure is unknown, loose, or absent. Wh...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
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 ...