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» Generic Schema Mappings
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CIKM
2010
Springer
14 years 7 months ago
Automatic schema merging using mapping constraints among incomplete sources
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
Xiang Li 0002, Christoph Quix, David Kensche, Sand...
EDBT
2009
ACM
102views Database» more  EDBT 2009»
15 years 4 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo
VLDB
2001
ACM
83views Database» more  VLDB 2001»
15 years 2 months ago
Generic Schema Matching with Cupid
Jayant Madhavan, Philip A. Bernstein, Erhard Rahm
PODS
2007
ACM
142views Database» more  PODS 2007»
15 years 9 months ago
Quasi-inverses of schema mappings
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...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
KES
2008
Springer
14 years 9 months ago
A Secure Mediator for Integrating Multiple Level Access Control Policies
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...
Isabel F. Cruz, Rigel Gjomemo, Mirko Orsini