赵希顺,丁德成.若干限制形式的缺省推理的复杂性.软件学报,2000,11(7):881-888 |
若干限制形式的缺省推理的复杂性 |
Complexity Results for Restricted Credulous Default Reasoning |
投稿时间:1998-12-23 修订日期:1999-05-10 |
DOI: |
中文关键词: 缺省逻辑,Horn缺省规则,轻信推理. |
英文关键词:Default logic, Horn default, credulous reasoning. |
基金项目:This research is supported by the National Natural Science Foundation of China(国家自然科学基金,Nos.19771045,19931020)(and the National High Technology Development Program of China国家863高科技项目基金,No.863-306-ZT06-01-2) |
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中文摘要: |
该文研究判定一文字是否出现在缺省理论〈D,W〉的某一扩张中的复杂性.其中,D是一集Horn缺省规则,而W是definite Horn公式或者Bi-Horn公式. |
英文摘要: |
This paper concentrates on the complexity of the decision problem which decides whether a literal belongs to at least one extension of a default theory 〈D,W〉 in which D is a set of Horn defaults and W is a definite Horn formula or a Bi-Horn formula. |
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