| With the rapid development of object-oriented technology, database and artificial intelligence, in order to solve the inefficiency caused by the change and configuration for business rules in traditional information system, business rule management technology becomes research focus. Making in-depth study about business rule management system, the thesis implemented a business rule management system on the basis of improving rule matching algorithm and business rule management tools. It supports the further research and application about business rule management technology. Major research includes:1) Propose an index by which system can access quickly rule-tree node. For inefficiency of original rule matching algorithm, this thesis established an index for rule-tree on the basis of not increasing space complexity, by which system can access quickly rule-tree node.2) Propose an organized way by the combination of hierarchical index and binary, by which system increases the inquiry about token-node. Visiting token-node very slowly, this thesis organized the token-tree by the combination of hierarchical index and binary, which increases the inquiry about token-node3) Improve the operation about modifying state. For the repetitive matching operation in modifying state, this thesis improved the operation about modifying state, by which system can reduce the number of operation about matching rule.4) Propose a fixed way for editing quickly business rules. Making business analysts edit and manage rules easily, the thesis proposed a fixed way for editing quickly business rules and designed a visual rule management tool, which improves work of business analysts.5) Design and Implement Business Rule Management System. The thesis implemented an improved rule engine and rule management tools by Java. Then it designed and implemented an application program about the area of bank loans for some users, which provides basis for the application about business rule management system. |
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