Kumbargoudar, Praveen KumarReddy, G GopalKannappanavar, B UMestri, Mamata2010-05-142010-05-142006-02-0281-902079-1-1http://hdl.handle.net/1944/1109The paper briefly explain about Information Systems and its connectivity to the web. As the web based Information systems will share the information from different other systems, there is need to standardize the protocols and other elements. The paper described the various elements and techniques of interoperability such as Metadata standards, Data Integration, System Interconnection and the utility of XML in interoperability of web based information systems.enInformation SystemInteroperabilityArticle