After verification, it submits the service to the user through the user interface agent. The program mining server processes the requests of program mining from the client, activates the corresponding intelligent agent to execute the analysis of the user's requests, divides the advanced requests of the user into functional parts of program, obtains the component composition scheme of the program, then establishes one or more component retrieval agents to retrieve the functionally similar components in the component resource warehouse, downloads them to the local computer, and composes them dynamically so as to form the necessary service. Then, by means of inter-agent interaction these component resource warehouse servers can maintain the consistency between component resource information and directory information. Other program mining systems can also adopt different organization structure according to the application environment, or adopt a distributed model to establish a component resource warehouse.

In the prototype system COMP, we use two component warehouse servers to store component resources we do it for two purposes: one is to provide redundancy backup, the other is to share the storage task of the individual component resource warehouse and speed up the acquisition of component entity. The component resource warehouse server maintains the local component resource warehouse (LCRW), storing the reusable components for the We have developed a program mining prototype system in Tsinghua University, known as COMP, whose hardware environments are an Ethernet connected with the Internet. 10.1 RUNNING ENVIRONMENT AND ARCHITECTURE OF THE PROTOTYPE SYSTEM 10.1.1 RUNNING ENVIRONMENT OF THE PROTOTYPE SYSTEM In the end, we forecast the development orientations in the studies of Active Services and program mining. The application illustrations are used to explain how to apply the program mining technology to acquiring Active Services. On this basis, some examples of application of the prototype system are introduced. This chapter introduces the prototype system of program mining we developed, including the implementation environment, system function design, module structure, implementation method, etc. Prototype System, Application Examples, and Future Workġ0.1 RUNNING ENVIRONMENT AND ARCHITECTURE OF THE PROTOTYPE SYSTEM

Prototype software