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Intersection optimization is NP-complete

Finite state methods for natural language processing often require the construction and the intersection of several automata. In this paper, we investigate the question of determining the best order in which these intersections should be performed. We take as an example lexical disambiguation in polarity grammars. We show that there is no efficient way to minimize the state complexity of these intersections.

Identiferoai:union.ndltd.org:Potsdam/oai:kobv.de-opus-ubp:2714
Date January 2008
CreatorsBonfante, Guillaume, Le Roux, Joseph
PublisherUniversität Potsdam, Extern. Extern
Source SetsPotsdam University
LanguageEnglish
Detected LanguageEnglish
TypeInProceedings
Formatapplication/pdf
Rightshttp://opus.kobv.de/ubp/doku/urheberrecht.php

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