TI - Towards artificial intelligence of things: Unsupervised machine learning approach for foot-type classification AU - FARHAN, L. AU - Al-ABBASI, Z.Q. AU - ALHUMAIMA, A.S. AU - GHETH, W. SO - Sigma Journal of Engineering and Natural Sciences 2026;44:2055-2068. DO - 10.14744/sigma.2026.2080