Hierarchical N-gram Algorithm for extracting Arabic Entities. - Eslam Amer; Heba M. Khalil; Tarek El-Shistawy (INFOS, 2016)

Enhancing Semantic Arabic Information Retrieval via Arabic Wikipedia Assisted Search Expansion Layer. - Eslam Amer; Heba M. Khalil; Tarek El-Shistawy (AISI, 2017)