777 search results - page 29 / 156 » Optimization of Relational Preference Queries |
VLDB
2010
ACM
13 years 6 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
SIGMOD
2002
ACM
14 years 7 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...
RTDB
1996
13 years 9 months ago
1996
We are developing an object-oriented real-time database system that includes a relationally complete query language. Unlike conventional query optimizers, our optimizer estimates ...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
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...