843 search results - page 55 / 169 » Generic Schema Mappings |
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PVLDB
2008
14 years 8 months ago
2008
Data exchange is the process of converting an instance of one schema into an instance of a different schema according to a given specification. Recent data exchange systems have l...
IPPS
2006
IEEE
15 years 3 months ago
2006
IEEE
role assignment is a programming abstraction that supports the assignment of user-defined roles to sensor nodes such that certain conditions are met. Many common network configu...
CAISE
2004
Springer
15 years 3 months ago
2004
Springer
Many information systems store their objects in a relational database. If the object schema or the relational schema of an application can change often or in an independent way, it...
ADBIS
1997
Springer
15 years 1 months ago
1997
Springer
A graphical formalized language is proposed for specifying systems of views over database schemas. The language is based on the notion of arrow (mapping) between data schemas and ...
VLDB
1989
ACM
15 years 1 months ago
1989
ACM
The derived data update problem involves the transformation of modifications of derived facts into corresponding changes to base facts and other derived facts. Using a database sc...