Thi, V.D., Duc, T.T., Nguyen, T.V. and Luong, H.-M.P. 2026. Insider Threat Detection Using Knowledge Graphs and RiskScore-Guided Graph Neural Networks. Engineering, Technology & Applied Science Research. 16, 2 (Apr. 2026), 33712–33721. DOI:https://doi.org/10.48084/etasr.17187.