155 search results - page 3 / 31 » Maintaining Semantic Mappings between Database Schemas and O... |
ER
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
Querying semantically related data sources depends on the ability to map between their schemas. Unfortunately, in most cases matching between schema is still largely performed man...
WEBDB
2005
Springer
14 years 1 months ago
2005
Springer
Semantic mapping is one of the important components underlying the data sharing systems. As is known, constructing and maintaining such mappings both are necessary yet extremely h...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
DEXA
2004
Springer
14 years 29 days ago
2004
Springer
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...