Presentation 1999/1/22
Declarative Descriptions with References and Equivalent Transformation for Negative References
Kiyoshi Akama, Koichi Okada, Eiichi Miyamoto,
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Abstract(in English) Since definite clauses consisting only atoms do not have much expresive power, we introduce "constraints" and "references" into definite clauses and define a new class of declarative descriptions. We also assign a set of ground atoms(called a meaning) to each declarative description. References restrict instantiation of definite clauses according to the meanings of referred descriptions.Negative references are a kind of references and can be used for representation of negation. In this paper, we also propose two equivalent transformation rules(merging and lifting)and prove the correctness of these rules.
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Keyword(in English) reference / declarative description / equivalent transformation / stratified description
Paper # SS98-42
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Conference Date 1999/1/22(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Declarative Descriptions with References and Equivalent Transformation for Negative References
Sub Title (in English)
Keyword(1) reference
Keyword(2) declarative description
Keyword(3) equivalent transformation
Keyword(4) stratified description
1st Author's Name Kiyoshi Akama
1st Author's Affiliation Division of System and Information Engineering, Hokkaido University()
2nd Author's Name Koichi Okada
2nd Author's Affiliation NTT Software Laboratories
3rd Author's Name Eiichi Miyamoto
3rd Author's Affiliation Division of System and Information Engineering, Hokkaido University
Date 1999/1/22
Paper # SS98-42
Volume (vol) vol.98
Number (no) 558
Page pp.pp.-
#Pages 8
Date of Issue