Abstract
We describe a new inconsistent case which is susceptible to occur while producing consistent answer set using prioritized default logic. We define new semantics for prioritized default logic in order to solve this problem. There is a sign difference between General and Extended logic programs. Extended logic programs are formulated using classical negation, For this reason, an inconsistent answer set can sometimes be produced. For the most part, default reasoning semantics successfully resolved this problem, but a conflict could still arise in one particular case. The purpose of this paper is to present this eventuality, and revise the semantics of default logic in order to give an answer to this problem.
| Original language | English |
|---|---|
| Pages (from-to) | 2883-2884 |
| Number of pages | 2 |
| Journal | IEICE Transactions on Information and Systems |
| Volume | E87-D |
| Issue number | 12 |
| Publication status | Published - 2004 Dec |
Keywords
- Courteous logic programs
- Default reasoning
- Intelligent agent
- Non-monotonic reasoning
- Priorities
ASJC Scopus subject areas
- Software
- Hardware and Architecture
- Computer Vision and Pattern Recognition
- Electrical and Electronic Engineering
- Artificial Intelligence
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Cite this
Yoo, H. J., Bai, M., & Choi, J. Y. (2004). Answer set semantics for prioritized defaults logic. IEICE Transactions on Information and Systems, E87-D(12), 2883-2884.