Sentiment classification in the Yoruba language using multilingual Bidirectional Encoder Representations from Transformers (mBERT). - Akinbowale Nathaniel Babatunde; Jumoke Falilat Ajao; Abdulrahman Abdullahi Kayode; Ronke Seyi Babatunde; Salman Olatunji Isiaka; Roseline Oluwaseun Ogundokun; Cheng-Chi Lee (Int. J. Speech Technol., 2026)