DiaLex: A Benchmark for Evaluating Multidialectal Arabic Word Embeddings. - Muhammad Abdul-Mageed; Shady Elbassuoni; Jad Doughman; AbdelRahim A. Elmadany; El Moatez Billah Nagoudi; Yorgo Zoughby; Ahmad Shaher; Iskander Gaba; Ahmed Helal; Mohammed Elrazzaz (WANLP, 2021)