Abstract

Researchers working in Natural Language processing (NLP) found many problems, at different levels. The main problem encountered is the treatment of complicated phenomena, essentially the coordination. This phenomenon is very important. In fact, it is very frequent in various corpora and has always been a center of interest in NLP. Unfortunately, the few works working on this structure treated only some coordinated forms using constructed parsers which are generally so heavy. In this context, our work aims to develop a Head-driven Phrase Structure grammar (HPSG) representing all the different forms of Arabic coordination, based on a proposed typology. The constructed grammar was validated with Linguistic Knowledge Building (LKB). This system is designed for grammars specified in Type Description Language (TDL).

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