The concept of Web knowledge service is proposed with regard to the issues on sharing, integration and reuse of heterogeneous distributed Web knowledge resource combined with Web service technology in order to provide an architecture of knowledge management system based on Web knowledge service, which provides a kind of new method and train of thought for knowledge sharing and reuse in knowledge management based on Web and expands knowledge management theory based on Web. The architecture

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... es knowledge management based on Web through three layers of service base layer, service application layer and service user layer. It is easy to build knowledge management system based on Web and effectively realizes knowledge sharing and reuse in knowledge management based on Web according to the architecture. Finally, the application of architecture of knowledge management system based on Web knowledge service is described through an example.