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Rocky desertification governance model case library management system and rocky desertification governance model case library management method

A management system and technology for rocky desertification, applied in the field of rocky desertification control mode case database management system, can solve the problems of small application range, ununified system, poor operability and practicability, etc.

Inactive Publication Date: 2015-07-22
胡宝清
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Problems solved by technology

[0011] The purpose of the present invention is to provide a rocky desertification control model case library management system and method, aiming to solve the problem that the existing small watershed-scale rocky desertification control systems cannot be unified, the application range is small, and it is operable and practical poor sex problem

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  • Rocky desertification governance model case library management system and rocky desertification governance model case library management method

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[0064] Case retrieval is the core of the operation of the CBR system, and whether a suitable case can be quickly and accurately retrieved from the case database is a reflection of the efficiency of the system. The retrieval of cases is based on the similarity. To retrieve similar cases, the calculation method of "what is similar" and "how to be similar" must be determined first, so the measurement of similarity is very important. Case similarity can be defined by the following formula:

[0065] A relationship S on Ea is called a similarity relationship if the following conditions are met.

[0066] (1) aSa

[0067] (2) If aSb, then bSa

[0068] (3) If aSb, bSc then aSc

[0069] Among them, conditions (1), (2) and (3) are reflexive law, symmetric law and transitive law respectively. If aSb, consider a and b to be similar.

[0070] Depending on the level of the similarity algorithm, the discussion of the similarity of two cases can be carried out from two aspects: local si...

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Abstract

The invention discloses a rocky desertification governance model case library management system and a rocky desertification governance model case library management method. A three-layer (a data access layer, a service logic layer and a presentation layer) system structure based on a client and a server is adopted. The method comprises the following steps: a large number of cases related to the small-watershed rocky desertification governance model in Guangxi and even the southwestern region are collected widely, and the basic condition of an existing successful small-watershed rocky desertification governance model is stored in a case library as a case basis of reasoning in the future; a user inputs the basic information of a case to be retrieved according to the system requirements during governance; and retrieving is carried out according to indicator data input by the user, the similarity is calculated, a case with the highest similarity is selected for matching, a result is output if the user is satisfied with the result, and the case is adjusted and applied to the decision of a target case if the user is not is satisfied with the result. Decision makers can get inspiration in all aspects of rocky desertification governance so as to create a new method for the small-watershed rocky desertification governance model.

Description

technical field [0001] The invention belongs to the technical field of rocky desertification control, and in particular relates to a rocky desertification control mode case library management system and method. Background technique [0002] The design of the rocky desertification management model case database management system is to provide technical support for the comprehensive management of rocky desertification areas in Guangxi. Therefore, its overall design goal is to use computer as the medium, based on the expert database of governance models, and take CBR technology as the core, to establish a diagnosis of rocky desertification degree at the small watershed scale, and to give the rocky desertification control under similar conditions. Mode technology platform. Specifically, it can be divided into the following two aspects: [0003] (1) Preserve the experience of the rocky desertification control model at the scale of small watersheds. In order to ensure more reas...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N5/04G06F17/30
Inventor 胡宝清元昌安覃开贤田涛闫妍段炼
Owner 胡宝清
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