105 search results - page 3 / 21 » Normalization and optimization of schema mappings |
IPM
2007
13 years 5 months ago
2007
In this paper, we propose a multi-strategic matching and merging approach to find correspondences between ontologies based on the syntactic or semantic characteristics and constr...
ER
2007
Springer
13 years 11 months ago
2007
Springer
Schema mappings come in different flavors: simple correspondences are produced by schema matchers, intensional mappings are used for schema integration. However, the execution of ...
EDBT
2010
ACM
14 years 2 days ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...
EDBT
2010
ACM
13 years 8 months ago
2010
ACM
The specification of schema mappings has proved to be time and resource consuming, and has been recognized as a critical bottleneck to the large scale deployment of data integrati...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
This paper describes Orchid, a system that converts declarative mapping specifications into data flow specifications s) and vice versa. Orchid provides an abstract operator model t...