Solving partial order constraints for LPO termination

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    21 Scopus citations

    Abstract

    This paper introduces a new kind of prepositional encoding for reasoning about partial orders. The symbols in an unspecified partial order are viewed as variables which take integer values and are interpreted as indices in the order. For a partial order statement on n symbols each index is represented in [log2 n] prepositional variables and partial order constraints between symbols are modeled on the bit representations. We illustrate the application of our approach to determine LPO termination for term rewrite systems. Experimental results are unequivocal, indicating orders of magnitude speedups in comparison with current implementations for LPO termination. The proposed encoding is general and relevant to other applications which involve prepositional reasoning about partial orders.

    Original languageEnglish
    Title of host publicationTerm Rewriting and Applications - 17th International Conference, RTA 2006, Proceedings
    PublisherSpringer Verlag
    Pages4-18
    Number of pages15
    ISBN (Print)3540368345, 9783540368342
    DOIs
    StatePublished - 1 Jan 2006
    Event17th International Conference on Term Rewriting and Applications, RTA 2006 - Seattle, WA, United States
    Duration: 12 Aug 200614 Aug 2006

    Publication series

    NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
    Volume4098 LNCS
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349

    Conference

    Conference17th International Conference on Term Rewriting and Applications, RTA 2006
    Country/TerritoryUnited States
    CitySeattle, WA
    Period12/08/0614/08/06

    ASJC Scopus subject areas

    • Theoretical Computer Science
    • General Computer Science

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