3377 search results - page 379 / 676 » Describing differences between databases |
276
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...
156
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SSDBM
2006
IEEE
16 years 10 days ago
2006
IEEE
In many modern applications, there are no exact values available to describe the data objects. Instead, the feature values are considered to be uncertain. This uncertainty is mode...
170
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OTM
2005
Springer
15 years 11 months ago
2005
Springer
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...
137
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
180
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ISD
1999
Springer
15 years 10 months ago
1999
Springer
This paper describes an ongoing collaborative research program between the Computer Science and the Forestry and Wildlife Management Departments at the University of Massachusetts...