315 search results - page 16 / 63 » An Overview of Query Optimization in Relational Systems |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
The ParAccel Analytic DatabaseTM is a fast shared-nothing parallel relational database system with a columnar orientation, adaptive compression, memory-centric design, and an enha...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
WISE
2000
Springer
14 years 1 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...