Filtered Composition and Markers for a Flexible Edit-Distance. Application to the Correction of Out-Of-Vocabulary Words
نویسنده
چکیده
RÉSUMÉ. Nous présentons une implémentation flexible et originale de la distance d’édition : la composition filtrée, un type particulier de composition de deux machines à états finis au travers d’un filtre qui modélise l’ensemble des opérations d’édition valides. Le filtre est un transducteur pondéré ou une cascade de transducteurs pondérés. Il est obtenu par compilation de règles de réécriture qui profitent d’un nouveau concept défini dans notre bibliothèque de machines à états finis : le marqueur de règles, un symbole qui n’appartient pas à l’alphabet utilisé, mais est inséré dans une règle de réécriture afin d’identifier un phénomène et d’en suivre l’évolution. Les marqueurs désambiguïsent et facilitent l’expression de conditions et de contraintes. La méthode est illustrée dans le cadre de la correction des mots hors vocabulaire.
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ورودعنوان ژورنال:
- TAL
دوره 51 شماره
صفحات -
تاریخ انتشار 2010