Sciweavers

155 search results - page 22 / 31
» Maintaining Semantic Mappings between Database Schemas and O...
Sort
View
ICDE
2003
IEEE
102views Database» more  ICDE 2003»
14 years 8 months ago
Schema Mediation in Peer Data Management Systems
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
Alon Y. Halevy, Zachary G. Ives, Dan Suciu, Igor T...
ICDE
2006
IEEE
143views Database» more  ICDE 2006»
14 years 1 months ago
Effectiveness Bounds for Non-Exhaustive Schema Matching Systems
Semantic validation of the effectiveness of a schema matching system is traditionally performed by comparing system-generated mappings with those of human evaluators. The human ef...
Marko Smiljanic, Maurice van Keulen, Willem Jonker
OTM
2005
Springer
14 years 29 days ago
Spatio-temporal Schema Integration with Validation: A Practical Approach
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
Anastasiya Sotnykova, Nadine Cullot, Christelle Va...
COOPIS
2002
IEEE
14 years 13 days ago
Formal Ontology Engineering in the DOGMA Approach
This paper presents a specifically database-inspired approach (called DOGMA) for engineering formal ontologies, implemented as shared resources used to express agreed formal semant...
Mustafa Jarrar, Robert Meersman
IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
14 years 1 months ago
Semantic Query Transformation Using Ontologies
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
Chokri Ben Necib, Johann Christoph Freytag