166 search results - page 5 / 34 » A Theory of Signs for Database Semantics |
PODS
1997
ACM
13 years 12 months ago
1997
ACM
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
SEMCO
2007
IEEE
14 years 1 months ago
2007
IEEE
— This paper aims to present ideas to bridge the gap between two conflicting views of information: Shannon information, which is used to model physical layer information, and se...
AI
1998
Springer
13 years 7 months ago
1998
Springer
We present a framework for recovery of nonmonotonic theories, i.e. of theories that are interpreted using a nonmonotonic semantics. Recovery of a nonmonotonic theory is needed if ...
ER
1993
Springer
13 years 11 months ago
1993
Springer
Two major problems in schema integration are to identify correspondences between different conceptual schemas and to verify that the proposed correspondences are consistent with th...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
In recent years, research about distributing databases over networks has become increasingly important. Here we concentrate on the issues of interoperability of heterogeneous DBMS...