14 search results - page 2 / 3 » Automatic schema merging using mapping constraints among inc... |
KES
2008
Springer
13 years 10 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...
COOPIS
2004
IEEE
14 years 2 months ago
2004
IEEE
Large-scale database integration requires a significant cost in developing a global schema and finding mappings between the global and local schemas. Developing the global schema r...
DEXA
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. Existing mapping tools employ semi-automatic techniques for mapping ...
SAC
2006
ACM
14 years 4 months ago
2006
ACM
Structured data and complex schemas are becoming the main way to represent the information many Digital Libraries provide, thus impacting the services they offer. When searching i...
PODS
2008
ACM
14 years 11 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...