Ezzeldin, Khaled Mohamed Khaled2017-08-152017-08-152016-06100024http://bspace.buid.ac.ae/handle/1234/1007This thesis focuses on comparing between two famous Arabic parsers Stanford Parser and Bikel parser using Arabic Treebank (ATB) for model training and testing and for this purpose we created a software that enables us to convert the ATB format to grammar format, convert the Arabic Morphological tags to Penn tags, and evaluate the parsers output by calculating the Precision, Recall, F-Score, and Tag Accuracy. We also modify Bikel Parser to use the Penn tags in training to improve the Precision, Recall, F-Score, and Tag Accuracy results from the parse output.enArabic parserStanford ParserBikel parserArabic Treebank (ATB)Dissertation