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A proof of weak termination providing the right way to terminate

Identifieur interne : 000532 ( PascalFrancis/Corpus ); précédent : 000531; suivant : 000533

A proof of weak termination providing the right way to terminate

Auteurs : Olivier Fissore ; Isabelle Gnaedig ; Hélène Kirchner

Source :

RBID : Pascal:05-0361907

Descripteurs français

English descriptors

Abstract

We give an inductive method for proving weak innermost termination of rule-based programs, from which we automatically infer, for each successful proof, a finite strategy for data evaluation. We first present the proof principle, using an explicit induction on the termination property, to prove that any input data has at least one finite evaluation. For that, we observe proof trees built from the rewrite system, schematizing the innermost rewriting tree of any ground term, and generated with two mechanisms: abstraction, schematizing normalization of sub-terms, and narrowing, schematizing rewriting steps. Then, we show how, for any ground term, a normalizing rewriting strategy can be extracted from the proof trees, even if the ground term admits infinite rewriting derivations.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0302-9743
A05       @2 3407
A08 01  1  ENG  @1 A proof of weak termination providing the right way to terminate
A09 01  1  ENG  @1 Theoretical aspects of computing - ICTAC 2004 : Guiyang, 20-24 September 2004, revised selected papers
A11 01  1    @1 FISSORE (Olivier)
A11 02  1    @1 GNAEDIG (Isabelle)
A11 03  1    @1 KIRCHNER (Hélène)
A12 01  1    @1 LIU (Zhiming) @9 ed.
A12 02  1    @1 ARAKI (Keijiro) @9 ed.
A14 01      @1 LORIA-INRIA & LORIA-CNRS, BP 239 @2 54506 Vandœuvre-lès-Nancy @3 FRA @Z 1 aut. @Z 2 aut. @Z 3 aut.
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A21       @1 2005
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A60       @1 P @2 C
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A64 01  1    @0 Lecture notes in computer science
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C01 01    ENG  @0 We give an inductive method for proving weak innermost termination of rule-based programs, from which we automatically infer, for each successful proof, a finite strategy for data evaluation. We first present the proof principle, using an explicit induction on the termination property, to prove that any input data has at least one finite evaluation. For that, we observe proof trees built from the rewrite system, schematizing the innermost rewriting tree of any ground term, and generated with two mechanisms: abstraction, schematizing normalization of sub-terms, and narrowing, schematizing rewriting steps. Then, we show how, for any ground term, a normalizing rewriting strategy can be extracted from the proof trees, even if the ground term admits infinite rewriting derivations.
C02 01  X    @0 001D02
C03 01  X  FRE  @0 Système expert @5 06
C03 01  X  ENG  @0 Expert system @5 06
C03 01  X  SPA  @0 Sistema experto @5 06
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C03 02  X  ENG  @0 Induction @5 07
C03 02  X  SPA  @0 Inducción @5 07
C03 03  3  FRE  @0 Système réécriture @5 08
C03 03  3  ENG  @0 Rewriting systems @5 08
C03 04  X  FRE  @0 Abstraction @5 18
C03 04  X  ENG  @0 Abstraction @5 18
C03 04  X  SPA  @0 Abstracción @5 18
C03 05  X  FRE  @0 Problème terminaison @5 23
C03 05  X  ENG  @0 Termination problem @5 23
C03 05  X  SPA  @0 Problema terminación @5 23
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C03 06  X  ENG  @0 Knowledge base @5 24
C03 06  X  SPA  @0 Base conocimiento @5 24
C03 07  X  FRE  @0 Surréduction @5 25
C03 07  X  ENG  @0 Narrowing(logics) @5 25
C03 07  X  SPA  @0 Sobrereducción @5 25
N21       @1 248
N44 01      @1 OTO
N82       @1 OTO
pR  
A30 01  1  ENG  @1 Theoretical aspects of computing. International colloquium @2 1 @3 Guiyang CHN @4 2004-09-20

Format Inist (serveur)

NO : PASCAL 05-0361907 INIST
ET : A proof of weak termination providing the right way to terminate
AU : FISSORE (Olivier); GNAEDIG (Isabelle); KIRCHNER (Hélène); LIU (Zhiming); ARAKI (Keijiro)
AF : LORIA-INRIA & LORIA-CNRS, BP 239/54506 Vandœuvre-lès-Nancy/France (1 aut., 2 aut., 3 aut.)
DT : Publication en série; Congrès; Niveau analytique
SO : Lecture notes in computer science; ISSN 0302-9743; Allemagne; Da. 2005; Vol. 3407; Pp. 356-371; Bibl. 20 ref.
LA : Anglais
EA : We give an inductive method for proving weak innermost termination of rule-based programs, from which we automatically infer, for each successful proof, a finite strategy for data evaluation. We first present the proof principle, using an explicit induction on the termination property, to prove that any input data has at least one finite evaluation. For that, we observe proof trees built from the rewrite system, schematizing the innermost rewriting tree of any ground term, and generated with two mechanisms: abstraction, schematizing normalization of sub-terms, and narrowing, schematizing rewriting steps. Then, we show how, for any ground term, a normalizing rewriting strategy can be extracted from the proof trees, even if the ground term admits infinite rewriting derivations.
CC : 001D02
FD : Système expert; Induction; Système réécriture; Abstraction; Problème terminaison; Base connaissance; Surréduction
ED : Expert system; Induction; Rewriting systems; Abstraction; Termination problem; Knowledge base; Narrowing(logics)
SD : Sistema experto; Inducción; Abstracción; Problema terminación; Base conocimiento; Sobrereducción
LO : INIST-16343.354000124475210240
ID : 05-0361907

Links to Exploration step

Pascal:05-0361907

Le document en format XML

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