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IJCAI
1989
15 years 7 months ago
Sometimes Updates Are Circumscription
Model-based revision of knowledge bases ex­ pressed as first-order theories was shown in [Winslett 88b] to be useful as a means of de­ scribing and reasoning about the effects o...
Marianne Winslett
IJCAI
1989
15 years 7 months ago
A Problem Space Approach to Expert System Specification
One view of expert system development separates the endeavor into two parts. First, a domain expert, with the aid of a knowledge engineer, articulates a procedure for performing t...
Gregg Yost, Allen Newell
IJCAI
2001
15 years 7 months ago
Dealing with Dependencies between Content Planning and Surface Realisation in a Pipeline Generation Architecture
The majority of existing language generation systems have a pipeline architecture which offers efficient sequential execution of modules, but does not allow decisions about text c...
Kalina Bontcheva, Yorick Wilks
IJCAI
2001
15 years 7 months ago
Backbones in Optimization and Approximation
We study the impact of backbones in optimization and approximation problems. We show that some optimization problems like graph coloring resemble decision problems, with problem h...
John K. Slaney, Toby Walsh
IJCAI
2003
15 years 7 months ago
Logical Filtering
Filtering denotes any method whereby an agent updates its belief state—its knowledge of the state of the world—from a sequence of actions and observations. In logical filterin...
Eyal Amir, Stuart J. Russell