NaijaNER : Comprehensive Named Entity Recognition for 5 Nigerian Languages. - Wuraola Fisayo Oyewusi; Olubayo Adekanmbi; Ifeoma Okoh; Vitus Onuigwe; Mary Idera Salami; Opeyemi Osakuade; Sharon Ibejih; Usman Abdullahi Musa (AfricaNLP, 2021)