26 search results - page 3 / 6 » Data exchange and schema mappings in open and closed worlds |
ICDE
2006
IEEE
13 years 11 months ago
2006
IEEE
We consider pragmatic issues in applying constraint-based theories (such as that developed for data exchange) to a variety of problems. We identify disconnects between theoreticia...
IJVR
2006
13 years 5 months ago
2006
This paper introduces SCIVE, a Simulation Core for Intelligent Virtual Environments. SCIVE provides a Knowledge Representation Layer (KRL) as a central organizing struc...
PODS
2007
ACM
14 years 5 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...
PODS
2009
ACM
14 years 5 months ago
2009
ACM
Relational schema mappings have been extensively studied in connection with data integration and exchange problems, but mappings between XML schemas have not received the same amo...
JACM
2010
13 years 2 days ago
2010
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...