805 search results - page 2 / 161 » On the Role of Integrity Constraints in Data Integration |
AMAST
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Software applications are inevitably concerned with data integrity, whether the data is stored in a database, files, or program memory. An integrity guard is code execut...
GIS
1999
ACM
13 years 9 months ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
IJCAI
2003
13 years 6 months 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...
DEXAW
2006
IEEE
13 years 9 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...
DEXAW
2006
IEEE
13 years 11 months ago
2006
IEEE
Traditional methods for integrity checking in relational or deductive databases heavily rely on the assumption that data have integrity before the execution of updates. In this wa...