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Dieser Titel ist Teil einer Serie/Reihe:
Letzte Änderung: 06.02.1994
MARC-Felder:
- Technische Universität München, Universitätsbibliothek, Teilbibliotheken Garching (Sigel: 91 G)
- Universitätsbibliothek Erlangen-Nürnberg, Technisch-naturwissenschaftliche Zweigbibliothek (Sigel: 29 T)
Dieser Titel ist Teil einer Serie/Reihe:
Permalink:
https://gateway-bayern.de/BV008974423
Letzte Änderung: 06.02.1994
| Titel: | Loop checking and negation |
|---|---|
| Von: | R. N. Bol |
| Erscheinungsort: | Amsterdam |
| Erscheinungsjahr: | 1990 |
| Umfang: | 32 S. |
| Serie/Reihe: | Centrum voor Wiskunde en Informatica<Amsterdam>/ Department of Computer Science: Report CS |
| Band: | 90,75 |
| ID der Serie/Reihe: | (DE-604)BV008928356 |
| Abstract: | Abstract: "In this article we extend the concept of loop checking from positive programs (as described in [ABK]) to locally stratified programs. Such an extension is not straightforward: the introduction of negation requires a (re)consideration of the choice of semantics, the description of a related search space and new soundness and completeness results handling floundering in a satisfactory way. Nevertheless an extension is achieved that allows us to generalize the loop checking mechanisms from positive programs to locally stratified programs, while preserving most soundness and completenessresults. The conclusion is that negative literals cannot give rise to loops, and must be simply ignored." |
| Sprache: | eng |
| Weitere Schlagwörter : | Deductive databases; Logic programming; Loops (Group theory); Negation (Logic) |
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| 490 | 1 | |a Centrum voor Wiskunde en Informatica<Amsterdam>/ Department of Computer Science: Report CS |v 90,75 | |
| 520 | 3 | |a Abstract: "In this article we extend the concept of loop checking from positive programs (as described in [ABK]) to locally stratified programs. Such an extension is not straightforward: the introduction of negation requires a (re)consideration of the choice of semantics, the description of a related search space and new soundness and completeness results handling floundering in a satisfactory way. Nevertheless an extension is achieved that allows us to generalize the loop checking mechanisms from positive programs to locally stratified programs, while preserving most soundness and completenessresults. The conclusion is that negative literals cannot give rise to loops, and must be simply ignored." | |
| 650 | 4 | |a Deductive databases | |
| 650 | 4 | |a Logic programming | |
| 650 | 4 | |a Loops (Group theory) | |
| 650 | 4 | |a Negation (Logic) | |
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