Interoperability of e-Government Information Systems: A Survey

Interoperability has long been recognized as one the major enabler for providing ‘one stop ’ government services to citizen. In order to develop interoperable information systems governments are coming out with technical standards and guidelines so that agencies and their partners can work together. Some governments have accepted Enterprise Architecture as foundation for providing integrated service. This article surveys definition and dimensions of interoperability. Next it attempts to review approaches taken by different government across the world to overcome the problem of heterogeneity