Study On The Expert System Of Land Suitability Evaluation

The paper studies on theprobabilityof buildingan expert system of land sultablllty evaluation(the System)． According to the suggestedmethod,The System sustained by Maplnfogeographlc Information system Is bulltandused in Plzhou City．Seven chaPters are Included In the Paper． Chapter explains the importance of evaluating landJsultabl！ltyandthenecessltyofbu！ldlngThesystem． Chapter Zdiscusses thebaslc theories of land suitability evaluation,Including the system,the procedure and the way．This chapter Is the theory basis of The System． Chapter 3 sums up thedocuments about land suitability evaluation from three asPects:the aPPlication of study methods,the division of evaluation units and the use of advanced technologies．An idea of synthetlcallyuse the geographic information system(GIS)and the expert system (ES)is proposed． Chapter 4 introduces the conception,compos It ion and function of the GIS and the ES technologies used in the System．Then theMapinfogeographlc Information system is recomfnendeg on to be used In the following chapters． The main content of chapter 5 Is the way of building each part of the System．To achieve a modular construction, a method that express the rules wlthfunctlons Is put fofW8fd． In c卜apter 6,the System Is used In land suitability evaluation inPizhouCity．The sultabllltysubclasses of each unl are evaluated． Chapter 7 summarizes the experience of building the System．In the same time,some suggestions to improve the System's functions are made．...