MAAMSIC: Multimodal Authentication and Authorization Model for Security of IoT Communication via GSM Messaging in Sub-Saharan Africa. - Joan Nabusoba; Calvins Otieno; Wilson Cheruiyot (SoCPaR, 2020)

Target Sentiment Analysis Ensemble for Product Review Classification. - Rhoda Viviane Achieng Ogutu; Richard M. Rimiru; Calvins Otieno (J. Inf. Technol. Res., 2022)

Swahili Dholuo Topic Classification Dataset. - Edwin Onkoba; Lilian Wanzare; Calvins Otieno (Data Intell., 2025)