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| Titel: |
On the Trade-off Between Ambiguity and Complexity in Contextual Languages |
| Auteur: |
Kuppusamy, Lakshmanan Mahendran, Anand Krithivasan, Kamala |
| Verschenen in: |
Fundamenta informaticae |
| Paginering: | Jaargang 122 (2013) nr. 4 pagina's 315-326 |
| Jaar: |
2013-04-05 |
| Inhoud: |
Contextual grammars are introduced by Solomon Marcus in 1969 based on the fundamental concept of descriptive linguistics of insertion of strings in given contexts. Internal contextual grammars are introduced by Păun and Nguyen in 1980. For contextual grammars several descriptional complexity measures and levels of ambiguity have been defined. In this paper, we analyze the trade-off between ambiguity and complexity of languages generated by internal contextual grammars. The notion of a pseudo inherently ambiguous language with respect to two complexity measures is introduced and investigated. These languages can be generated by unambiguous grammars which are minimal with respect to one measure and ambiguous if they are minimal with respect to the other measure. An open problem from [15] is solved in this framework. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 7 gevonden artikelen
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