1527 search results - page 7 / 306 » Data Integration by Describing Sources with Constraint Datab... |
EDBT
2012
ACM
12 years 11 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
SSDBM
1999
IEEE
15 years 1 months ago
1999
IEEE
Conducting bioinformatic analyses involves biologists in expressing requests over a range of highly heterogeneous information sources and software tools. Such activities are labor...
DEXAW
1998
IEEE
15 years 1 months ago
1998
IEEE
109
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BTW
2007
Springer
15 years 3 months ago
2007
Springer
: For the integration of data that resides in autonomous data sources Software AG uses ontologies. Data source ontologies describe the data sources themselves. Business ontologies ...
140
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...