33 search results - page 1 / 7 » The Treatment of Negation in Logic Programs for Representing... |
ICAIL
1989
ACM
13 years 11 months ago
1989
ACM
COLING
1992
13 years 8 months ago
1992
A formal treatment of typed feature structures (TFSs) is developed to augment TFSs, so that negative descriptions of them can be treated. Negative descriptions of TFSs can make li...
PODS
1990
ACM
13 years 11 months ago
1990
ACM
Previous researchers have proposed generalizations of Horn clause logic to support negation and nondeterminism as two separate extensions. In this paper, we show that the stable m...
JLP
2000
13 years 7 months ago
2000
In this paper we investigate updates of knowledge bases represented by logic programs. In order to represent negative information, we use generalized logic programs which allow de...
PODS
1991
ACM
13 years 11 months ago
1991
ACM
A novel approach is proposed for ezpresaing and computing eficienily a large cla88 of problem8, including jinding the shortest path in a graph, that were previously considered imp...