Sub-extensions in the Default Knowledge Base Systems

@inproceedings{Shi1991SubextensionsIT,
  title={Sub-extensions in the Default Knowledge Base Systems},
  author={Yihua Shi and 一華 史 and Setsuo Arikawa and 節夫 有川},
  year={1991}
}
The extension is the most important concept of default logic, but it is not constructible. In [6] , we have provided two kinds of successively constructible extensions, sub-extensions and approximate extensions whose construction steps are all finite. In this paper, we consider a time-bounded default knowledge base system. Particularly, we pay attention to the tradeoff between constructing an infinite extension and restricting usable resources to finite ones. To reduce unnecessary computations… CONTINUE READING

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