Constraint solving and description logic based web service combination method
A description logic and constraint solving technology, applied in program control devices and other directions, can solve problems such as imprecise business logic relationships, and achieve the effect of improving effectiveness and recall rate
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[0042] The method of the present invention first analyzes the target task, then decomposes the target task based on the domain ontology knowledge base; then describes the corresponding Web service through WSDL; then extracts the task constraint condition according to the Web service interface parameters, user selective preference and business logic relationship ; Then obtain the feasible solution sequence of the target task with the help of the constraint solver; finally combine the tool Protégé, apply description logic to detect the satisfiability and consistency of the feasible solution sequence, and obtain the final reasonable and effective service combination.
[0043] Process flow of the present invention such as figure 1 As shown, it specifically includes the following four steps.
[0044] Step 1: Use the event analysis of the target task and the domain ontology knowledge base to decompose the target task to obtain several fine-grained tasks. The ontology class and rela...
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