1527 search results - page 1 / 306 » Data Integration by Describing Sources with Constraint Datab... |
ICDE
1999
IEEE
15 years 16 days ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
IJCAI
2003
14 years 17 days ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
MTSR
2007
Springer
14 years 5 months ago
2007
Springer
In this paper we describe the development of an ontology of molecular and phenotypic cereals data, realized by integrating existing public web databases with the database developed...
FOIKS
2004
Springer
14 years 2 months ago
2004
Springer
When two or more databases are combined into a global one, integrity may be violated even when each database is consistent with its own local integrity constraints. Efficient metho...
DEXAW
2006
IEEE
14 years 2 months ago
2006
IEEE
When a database is defined as views over autonomous sources, inconsistencies with respect to global integrity constraints are to be expected. This paper investigates the possibili...