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Lexical analysis of inflected Arabic words using exhaustive search of an augmented transition network
Authors:Ahmed A. Rafea  Khaled F. Shaalan
Abstract:This paper presents a lexical analyser for inflected Arabic words. An augmented transition network (ATN) technique was used to represent the context-sensitive knowledge about the relation between a stem and inflectional additions. An exhaustive-search algorithm is developed to traverse the ATN, generating all possible interpretations of an inflected Arabic word. The arcs of the ATN are augmented with rules containing conditions and actions. More than one rule is associated with some arcs. The states of the ATN are represented by Pascal procedures.
Keywords:Arabic  Natural-language processing  Lexical analysis  Morphological analysis  Heuristic search  Automatic translation  Augmented transition networks
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