Erdem, A.Medeni, İ.T.Medeni, T.D.01. Çankaya Üniversitesi06.01. Bilgisayar Mühendisliği06. Mühendislik Fakültesi2025-11-062025-11-06201297814666245599781466624566https://doi.org/10.4018/978-1-4666-2455-9.ch062https://hdl.handle.net/20.500.12416/15713As there has not yet been enough work on enterprise architectures for fully integrated knowledge-based, highly-sophisticated (citizen-oriented) personalized services, this chapter aims to articulate a perspective to design architectures for the development and provision of sophisticated, personalized services. Doing so, the authors benefit from their knowledge and experience in the Turkish e-Government Gateway (eGG) and general e-Government services development and provision. First providing an introduction and background information, the chapter discusses the development of eGG services in Turkey, and then provides a visionary suggestion for knowledge-based personalized, citizen-centric e-Government. Among the suggested perspectives, an E-Citizen Decision Support System, and Entity-Utility and Information Flow Model could be useful for eGG development in Turkey and elsewhere. © 2025 Elsevier B.V., All rights reserved.eninfo:eu-repo/semantics/closedAccessBook Part10.4018/978-1-4666-2455-9.ch0622-s2.0-105013011657