Enhancing Root Extractors Using Light Stemmers Mahmoud El-Defrawy author Yasser El-Sonbaty author Nahla Belal author 2015-10 text Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation: Posters Hai Zhao editor Shanghai, China conference publication el-defrawy-etal-2015-enhancing https://aclanthology.org/Y15-2019/ 2015-10 157 166