AUTOMATIC EXTRACTION OF LEMMA-BASED BILINGUAL DICTIONARIES - Saleh, Ibrahim M. H.
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This academic work presents an approach for the automatic extraction and filtering of a lemma-based Arabic-English dictionary from parallel corpora. Towards this end, the present approach makes use of Machine Learning algorithms to filter the Arabic-English lemma pairs wrongly extracted from the parallel corpus as good translation pairs. It also makes use of highly accurate morphological analyzers and generators of Arabic to overcome the morphological ambiguity of the Arabic words. A comparison of the automatically generated dictionary with a manually built dictionary widely used in Arabic…mehr

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Produktbeschreibung
This academic work presents an approach for the automatic extraction and filtering of a lemma-based Arabic-English dictionary from parallel corpora. Towards this end, the present approach makes use of Machine Learning algorithms to filter the Arabic-English lemma pairs wrongly extracted from the parallel corpus as good translation pairs. It also makes use of highly accurate morphological analyzers and generators of Arabic to overcome the morphological ambiguity of the Arabic words. A comparison of the automatically generated dictionary with a manually built dictionary widely used in Arabic Computational Linguistics applications shows a high degree of coverage complementarity on the part of the automatically generated dictionary. The comparison also shows that the generated dictionary: (1) has reasonable recall and high precision, (2) is significantly more comprehensive in terms of the covered Arabic-English lemma pairs, and (3) has high potential for future improvement.
Autorenporträt
Ibrahim Saleh has a MS in Computational Linguistics from Georgetown University (GU), and is currently completing a PhD in General Linguistics at GU. He published 2 papers in MT XII Summit, Canada 2009, and LREC, Malta 2010. He was an intern at the CCLS, Columbia University, and participated in building a morphological analyzer for Arabic dialects.