Sciweavers

1109 search results - page 162 / 222
» Query Processing, Approximation, and Resource Management in ...
Sort
View
POLICY
2007
Springer
14 years 2 months ago
Specifying and Enforcing High-Level Semantic Obligation Policies
Obligation Policies specify management actions that must be performed when a particular kind of event occurs and certain conditions are satisfied. Large scale distributed systems...
Zhen Liu, Anand Ranganathan, Anton Riabov
ICDE
2008
IEEE
153views Database» more  ICDE 2008»
14 years 10 months ago
Mining Views: Database Views for Data Mining
We present a system towards the integration of data mining into relational databases. To this end, a relational database model is proposed, based on the so called virtual mining vi...
Élisa Fromont, Adriana Prado, Bart Goethals...
PODS
2010
ACM
207views Database» more  PODS 2010»
14 years 1 months ago
Understanding cardinality estimation using entropy maximization
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
Christopher Ré, Dan Suciu
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
14 years 9 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
SSDBM
2007
IEEE
118views Database» more  SSDBM 2007»
14 years 3 months ago
Database Support for Weighted Match Joins
As relational database management systems are applied to non-traditional domains such as scientific data management, there is an increasing need to support queries with semantics ...
Ameet Kini, Jeffrey F. Naughton