443 search results - page 6 / 89 » Quasi-inverses of schema mappings |
PODS
2007
ACM
14 years 7 months ago
2007
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
26
Voted
KES
2008
Springer
13 years 7 months ago
2008
Springer
Abstract. We present a method for mapping security levels among the components of a distributed system where data in the local sources are represented in XML. Distributed data is i...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Most previous schema mapping works focus on creating mappings in specific data models for data transformation, failing to capture a richer set of possible relationships between sc...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
We demonstrate a prototype that translates schemas from a source metamodel (e.g., OO, relational, XML) to a target metamodel. The prototype is integrated with Microsoft Visual Stu...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
ma's abstract data model consists of components, which are the structures that eventually define a schema as a whole. XML Schema's XML syntax, on the other hand, is not ...