514 search results - page 41 / 103 » Management Of Schema Evolution In Databases |
AMW
2009
14 years 10 months ago
2009
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
182
Voted
SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
96
Voted
IFIP
1993
Springer
15 years 1 months ago
1993
Springer
EPOS is a kernel software engineering environment, o ering integrated software con guration and process management. The EPOS process modeling PM support system runs on top of th...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Constructing and maintaining semantic mappings are necessary but troublesome in data sharing systems. While most current work focuses on seeking automated techniques to solve this...