80 search results - page 8 / 16 » Hypothetical Temporal Reasoning in Databases |
AAAI
1996
14 years 11 months ago
1996
The representation of narratives of actions and observations is a current issue in Knowledge Representation, where traditional plan-oriented treatments of action seem to fall shor...
GIS
2002
ACM
14 years 9 months ago
2002
ACM
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
TC
1997
14 years 11 months ago
1997
In this paper we describe a new approach to repairing violations of integrity constraints in databases with null values. By adopting basic concepts from model-based diagnosis, we ...
DBPL
1993
Springer
15 years 1 months ago
1993
Springer
This paper presents database applications of the recently proposed Transaction Logic—an extension of classical predicate logic that accounts in a clean and declarative fashion f...
GIS
1999
ACM
15 years 2 months ago
1999
ACM
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...