641 search results - page 36 / 129 » Simplifying schema mappings |
JODS
2006
13 years 7 months ago
2006
Abstract. Many problems in Information and Data Management require a semantic account of a database schema. At its best, such an account consists of formulas expressing the relatio...
IKE
2004
13 years 9 months ago
2004
A serious problem facing many organizations today is the need to share information among systems that have been developed separately. Conflicts in the structure and semantics of t...
ASP
2003
Springer
14 years 24 days 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...
ER
2007
Springer
14 years 1 months ago
2007
Springer
This paper describes a rule-based algorithm to derive a relational schema from an extended entity-relationship model. Our work is based on an approach by Atzeni and Torlone in whic...
DGO
2003
13 years 9 months ago
2003
To query XML data over the Web, query engines need to be able to resolve semantic differences between heterogeneous attributes that are conceptually similar. This demo presents a ...