The Web-based Expert System Of Gardenning Trees In Changyi

As information technology is developing fast, we realize that the development of modern forestry needs the support of computer technology, and the Internet technology plays an important role in the modern forestry. In China, the research of garden specialist system started quite late. We have been lack of relative information, data and professional technicians.As a program system, the specialist system, based on the Web, makes full use of knowledge and experience of relative professors to solve the problems in the reality. At present, the research of the internet-based professor system is still on initial stage. Being built up on the existing technology, the professor system could offset the shortages of traditional technologies by inquiring garden knowledge and simply inferring plant diseases and insect pests. Through the network platform, users can apply the system anywhere anytime by the Internet conveniently, increasing the system’s utilization.All the systematic knowledge of gardening is collected and generalized before being installed in the expert system by communicating with gardening experts, investigating on the spot, referring to lots of professional books.The paper includes a large number of information about ornamental trees and shrubs, and information about plant diseases and insect pests with hundreds photos.Operated under Windows 2003, the system uses My Sql database and the image processing software like Photoshop. The functions of the system include browsing, inquiring, and maintaining the knowledge base. The system consists of 4 modules, namely, User Interface,database, Inference Rules and Knowledge Base Maintenance. The main research achievements are:1. After collecting and sorting out knowledge, the system includes 54 families, 162 species common ornamental trees and shrubs. Up to hundreds of corresponding plants diseases and insects pests.2. The system organizes rationally all knowledge and information on aspects of trees, including their basic attributes, morphological characteristics, ecological habits, growth type, and ecological habits. The user can inquire the common garden trees in Chang Yi conveniently.3. The system utilizes the strategy of forward reasoning. According to one or a few ofrelative symptoms, users can diagnose plant diseases and insects pests for the trees quickly.4. According to users’ actual needs, the knowledge base can be modified and expanded to strengthen the entire characters continually and to satisfy the need of users.