1179 search results - page 117 / 236 » Query Containment for Data Integration Systems |
PDIS
1996
IEEE
14 years 1 months ago
1996
IEEE
A warehouse is a data repository containing integrated information for e cient querying and analysis. Maintaining the consistency of warehouse data is challenging, especially if t...
NAR
1998
13 years 8 months ago
1998
The HuGeMap database stores the major genetic and physical maps of the human genome. It is also interconnected with the gene radiation hybrid mapping database RHdb. HuGeMap is acc...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
CIDR
2009
13 years 10 months ago
2009
Recent research in domain-independent information extraction holds the promise of an automatically-constructed structured database derived from the Web. A query system based on th...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...