673 search results - page 48 / 135 » Capturing both Types and Constraints in Data Integration |
WEBDB
2010
Springer
14 years 24 days ago
2010
Springer
Wikipedia infoboxes is an example of a seemingly structured, yet extraordinarily heterogeneous dataset, where any given record has only a tiny fraction of all possible fields. Su...
AO
2005
13 years 7 months ago
2005
Relationships are an integral part of the design of a database. Comparing and integrating relationships from heterogeneous databases requires that the relationships be mapped to ea...
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ICCSA
2011
Springer
12 years 11 months ago
2011
Springer
The LMS plays a decisive role in most eLearning environments. Although they integrate many useful tools for managing eLearning activities, they must also be effectively integrated ...
LICS
1996
IEEE
13 years 12 months ago
1996
IEEE
Real PCF is an extension of the programming language PCF with a data type for real numbers. Although a Real PCF definable real number cannot be computed in finitely many steps, it...