林地分類專家系統之建立

Building an Expert System for Forest Land Classification

謝漢欽(Han-Ching Hsieh) ； 鄭祈全(Chi-Chung Cheng) ； 陳燕章(Yen-Chang Chen)

《台灣林業科學》 12卷3期 (1997/09) Pp. 255-268

https://doi.org/10.7075/TJFS.199709.0255

摘要

本研究所完成的林地分類專家系統係以具物件導向知識表現功能之專家系統建構工具Nexpert Object建構相關法則與知識。知識內容主要取自林試所六龜試驗林林地分類研究成果、輔以林務局的林地地位級分級實例，以及水土保持局的山坡地土地利用分類標準。本系統連結了AreVicw地理資訊系統，以利於林地分類資料庫的查詢，又連結上HSC多媒體系統，利於以超文圖的功能顯示多層級的描述性知識。整個系統在個人電腦上視窗環境之親和介面下，以圖文並貌的方式提供或解釋林地分類的知識。知識庫涵括了林地分類系統、分類程序、分類資料庫查詢，以及建議事項等。使用者可透過前向或後向的法則推論機制，獲得欲知的林地分類知識。本專家系統可供一般林業從業人員使用，達成諮詢、教育、訓練及評比的目的。

關鍵字

專家系統 ； 林地分類 ； 知識庫系統 ； 地理資訊系統 ； 多媒體

並列摘要

The forest-land classification expert system in this study used Nexpert Object expert system tool with object-oriented methods to represent related data and production rules. The rule-based knowledge built into this completed expert system mainly included study results of forest land classification in the Lukuei Experimental Forest of the Taiwan Forestry Research Institute, supplemented by the forest site quality classification expertise of the Taiwan Forest Bureau, and the slope-land land-use classification criteria of The Taiwan Soil and Water Conservation Bureau. One special feature of the expert system was linking the attribute and spatial data from the ArcView geographic information system to support data base queries, and the other was connecting hyper texts and graphs from the HSC multimedia system to show hierarchical descriptive knowledge. The expert system was based on a personal computer with user-friendly window interfaces and could offer or explain domestic forest-land classification knowledge including classification systems, classification procedures, data base queries, and suggestions. End-users are able to attain desired information about forest-land classification through the inferences from forward or backward chaining mechanics. The functions of the expert system successfully achieve the objectives of consultation and inquiry, education, training, and comparison.

並列關鍵字

expert system ； forest classification ； knowledge base system ； geographic information system ； multimedia