Abstract: Design information systems integration helps to enhance the core competitiveness of the knowledge-based real estate development enterprises. Service-oriented architecture model has characteristics of easy to extend the versatility, convenience to integrate with other systems, suitable for the needs of real estate knowledge management. This paper introduces the conception of the service-oriented architecture, builds a service-oriented architecture design information management system framework and the framework for indepth discussion, discusses the functional design of the platform system to achieve various business systems, business data, business processes without seam integration.

Key words: service-oriented architecture(SOA), Web services, knowledge management, platform