B. H. Altahir, A. E. Karrar, and S. S. Mohmmed, “The Impact of Semantic Web and Ontology to Improve E-government Services: A Systematic Review”, IJEEI, vol. 11, no. 4, pp. 1082–1096, Dec. 2023, doi: 10.52549/ijeei.v11i4.5024.