Counterexamples to completeness results for basic narrowing:
Abstract: "In this paper we analyze completeness results for basic narrowing. We show that basic narrowing is not complete with respect to normalizable solutions for equational theories defined by confluent term rewriting systems, contrary to what has been conjectured. By imposing syntactic res...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Amsterdam
1991
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| Schriftenreihe: | Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS
91,54 |
| Schlagworte: | |
| Zusammenfassung: | Abstract: "In this paper we analyze completeness results for basic narrowing. We show that basic narrowing is not complete with respect to normalizable solutions for equational theories defined by confluent term rewriting systems, contrary to what has been conjectured. By imposing syntactic restrictions on the rewrite rules we recover completeness. We refute a result of Holldobler which states the completeness of basic conditional narrowing for complete (i.e. confluent and terminating) conditional term rewriting systems without extra variables in the conditions of the rewrite rules In the last part of the paper we extend the completeness result of Giovannetti and Moiso for level-confluent and terminating conditional systems with extra variables in the conditions to systems that may also have extra variables in the right-hand sides of the rules. |
| Beschreibung: | 44 S. |
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| 100 | 1 | |a Middeldorp, Aart |d 1963- |e Verfasser |0 (DE-588)121450279 |4 aut | |
| 245 | 1 | 0 | |a Counterexamples to completeness results for basic narrowing |c A. Middeldorp, E. Hamoen |
| 264 | 1 | |a Amsterdam |c 1991 | |
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| 490 | 1 | |a Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS |v 91,54 | |
| 520 | 3 | |a Abstract: "In this paper we analyze completeness results for basic narrowing. We show that basic narrowing is not complete with respect to normalizable solutions for equational theories defined by confluent term rewriting systems, contrary to what has been conjectured. By imposing syntactic restrictions on the rewrite rules we recover completeness. We refute a result of Holldobler which states the completeness of basic conditional narrowing for complete (i.e. confluent and terminating) conditional term rewriting systems without extra variables in the conditions of the rewrite rules | |
| 520 | 3 | |a In the last part of the paper we extend the completeness result of Giovannetti and Moiso for level-confluent and terminating conditional systems with extra variables in the conditions to systems that may also have extra variables in the right-hand sides of the rules. | |
| 650 | 4 | |a Rewriting systems (Computer science) | |
| 700 | 1 | |a Hamoen, Erik |e Verfasser |4 aut | |
| 810 | 2 | |a Department of Computer Science: Report CS |t Centrum voor Wiskunde en Informatica <Amsterdam> |v 91,54 |w (DE-604)BV008928356 |9 91,54 | |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-005941997 | ||
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| spelling | Middeldorp, Aart 1963- Verfasser (DE-588)121450279 aut Counterexamples to completeness results for basic narrowing A. Middeldorp, E. Hamoen Amsterdam 1991 44 S. txt rdacontent n rdamedia nc rdacarrier Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS 91,54 Abstract: "In this paper we analyze completeness results for basic narrowing. We show that basic narrowing is not complete with respect to normalizable solutions for equational theories defined by confluent term rewriting systems, contrary to what has been conjectured. By imposing syntactic restrictions on the rewrite rules we recover completeness. We refute a result of Holldobler which states the completeness of basic conditional narrowing for complete (i.e. confluent and terminating) conditional term rewriting systems without extra variables in the conditions of the rewrite rules In the last part of the paper we extend the completeness result of Giovannetti and Moiso for level-confluent and terminating conditional systems with extra variables in the conditions to systems that may also have extra variables in the right-hand sides of the rules. Rewriting systems (Computer science) Hamoen, Erik Verfasser aut Department of Computer Science: Report CS Centrum voor Wiskunde en Informatica <Amsterdam> 91,54 (DE-604)BV008928356 91,54 |
| spellingShingle | Middeldorp, Aart 1963- Hamoen, Erik Counterexamples to completeness results for basic narrowing Rewriting systems (Computer science) |
| title | Counterexamples to completeness results for basic narrowing |
| title_auth | Counterexamples to completeness results for basic narrowing |
| title_exact_search | Counterexamples to completeness results for basic narrowing |
| title_full | Counterexamples to completeness results for basic narrowing A. Middeldorp, E. Hamoen |
| title_fullStr | Counterexamples to completeness results for basic narrowing A. Middeldorp, E. Hamoen |
| title_full_unstemmed | Counterexamples to completeness results for basic narrowing A. Middeldorp, E. Hamoen |
| title_short | Counterexamples to completeness results for basic narrowing |
| title_sort | counterexamples to completeness results for basic narrowing |
| topic | Rewriting systems (Computer science) |
| topic_facet | Rewriting systems (Computer science) |
| volume_link | (DE-604)BV008928356 |
| work_keys_str_mv | AT middeldorpaart counterexamplestocompletenessresultsforbasicnarrowing AT hamoenerik counterexamplestocompletenessresultsforbasicnarrowing |