1179 search results - page 25 / 236 » Query Containment for Data Integration Systems |
74
Voted
IFIP
1992
Springer
15 years 1 months ago
1992
Springer
Retrieving relevant information in Data and Knowledge Bases containing a large number of di erent types of information is a non trivial problem. That is the reason why, in areas l...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
ASP
2003
Springer
15 years 2 months ago
2003
Springer
Integration of data is required when accessing multiple databases within an organization or on the WWW. Schema integration is required for database interoperability, but it is curr...
PVLDB
2010
14 years 8 months ago
2010
Microsoft SQL Server spatial libraries contain several components that handle geometrical and geographical data types. With advances in geo-sensing technologies, there has been an...
156
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...