Unfold fold transformation of stratified programs:

Abstract: "This paper describes several extensions of Tamaki-Sato's [TS84] unfold/fold transformation of definite programs. We first propose unfold/fold rules preserving also the finite failure set (by SLD-resolution) of a definite program, which the original rules by Tamaki and Sato do no...

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Bibliographic Details
Main Author: Seki, Hirohisa (Author)
Format: Book
Language:English
Published: Tokyo, Japan 1988
Series:Shin-Sedai-Konpyūta-Gijutsu-Kaihatsu-Kikō <Tōkyō>: ICOT technical memorandum 649
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Summary:Abstract: "This paper describes several extensions of Tamaki-Sato's [TS84] unfold/fold transformation of definite programs. We first propose unfold/fold rules preserving also the finite failure set (by SLD-resolution) of a definite program, which the original rules by Tamaki and Sato do not. Then, we show that our unfold/fold rules can be extended to ones for stratified programs, and prove that both the success set and the finite failure set (by SLDNF-resolution) of a stratified program are preserved. Furthermore, preservation of equivalence of the perfect model semantics [Prz] is also discussed."
Physical Description:13 S.

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