By emerging the OGC web services technologies which caused server interoperability in geospatial fields, a rush toward implementing geoweb services commenced among most governmental enterprises. The massive geospatial information which has been produced in various offices during previous years, and which was not available for public customers because of protocol difficulties, now had a chance to be restructured as OGC specifications and be reachable to huge amount of keen clients via Internet platform. Increasing number of map presenters in web environment raised a search facility requirement in spatial data area. These kinds of search abilities are called "Geoportal", which provides client applications that use several geo services such as catalogs and web map services. How to implement a suitable geoportal to meet the needs, has brought a set of hard challenges for governmental geospatial owners. In this study we present an overall concept of service oriented architecture and its consequence web service specifications and eventually web catalog services which are fundamentals of developing a geoportal. It also declares some experiments on importing/exporting data between geoportals, which is known as harvesting method.

Due to the metropolitan area of immense diversity and breadth of their construction activities, the performance of activities at districts level, cannot be precisely evaluated. Therefore, generally, it monitors only the indices which are defined for those functions. Furthermore, district-based development policy, and decentralization of governance, necessitate more local autonomy, which requires closer monitors of districts for being sure of its movements in the frame of urban developing plans. The advancement of technology has created the expectation that we can monitor all details of the metropolitan administrative processes and involve them in decision support systems for urban management. In this study, a web based SDSS prototype has been implemented to monitor the Tehran development plans progress at districts level. This interactive system presents a map of Tehran which indicates the realization of each component of the city master plan in different parts of town. The design of system lets all districts produce and support their own reporting maps, and it presents them in their dedicated place of city map by snapping all districts reports, when a city report arises. Also it elaborates the problem of implementing and proposes "cloud computing facilities" as a solution.