Presentation 1994/1/26
Unification Problem for Term Rewriting Systems under Restricted Substitutions
Yuichi Kaji, Toru Fujiwara, Tadao Kasami,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) A generalization of unification problem,named unificatz′on probl em under restricted substitutions is proposed.We also propose an procedure which uses tree automata to solve the unification problem under restricted substitutions,and investigate a sufficient condition for the termination of the procedure.In the usual unification problem,a variable can be substituted with an arbitrary term.In the unification problem under restricted substitutions,a set A of avat′lable terms is given,and a variable can be substituted with a term in A only.Since the usual unification is a special case of the unification under restricted substitutions,our algorithm can be applied to the usual case.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) term rewriting system / unification problem / restricted substitutions / tree automaton
Paper # COMP93-70
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Committee COMP
Conference Date 1994/1/26(1days)
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Registration To Theoretical Foundations of Computing (COMP)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Unification Problem for Term Rewriting Systems under Restricted Substitutions
Sub Title (in English)
Keyword(1) term rewriting system
Keyword(2) unification problem
Keyword(3) restricted substitutions
Keyword(4) tree automaton
1st Author's Name Yuichi Kaji
1st Author's Affiliation Faculty of Engineering Sciences,Osaka University()
2nd Author's Name Toru Fujiwara
2nd Author's Affiliation Faculty of Engineering Sciences,Osaka University
3rd Author's Name Tadao Kasami
3rd Author's Affiliation Nara institute of Science and Technology
Date 1994/1/26
Paper # COMP93-70
Volume (vol) vol.93
Number (no) 438
Page pp.pp.-
#Pages 8
Date of Issue