Abstract
Abstract. VGE geographic knowledge refers to the abstract and repeatable geo-information which is related to the geo-science problem, geographical phenomena and geographical laws supported by VGE. That includes expert experiences, evolution rule, simulation processes and prediction results in VGE. This paper proposes a conceptual framework for VGE knowledge engineering in order to effectively manage and use geographic knowledge in VGE. Our approach relies on previous well established theories on knowledge engineering and VGE. The main contribution of this report is following: (1) The concepts of VGE knowledge and VGE knowledge engineering which are defined clearly; (2) features about VGE knowledge different with common knowledge; (3) geographic knowledge evolution process that help users rapidly acquire knowledge in VGE; and (4) a conceptual framework for VGE knowledge engineering providing the supporting methodologies system for building an intelligent VGE. This conceptual framework systematically describes the related VGE knowledge theories and key technologies. That will promote the rapid transformation from geodata to geographic knowledge, and furtherly reduce the gap between the data explosion and knowledge absence.
Highlights
Geographic knowledge is very important for the virtual geographic environments (VGE), since it helps to simulate and predict the earth science mechanism processes (Laurini, 2014; Lin et al, 2013)
3.1 Conceptual Framework Model This paper proposes a conceptual framework model which presents a theoretical and technical system for the VGE knowledge engineering
Compared with the traditional GIS, the VGE geographic knowledge is mainly oriented to the geo-science problem, geographical phenomena and geographical laws supported by VGE
Summary
Geographic knowledge is very important for the virtual geographic environments (VGE), since it helps to simulate and predict the earth science mechanism processes (Laurini, 2014; Lin et al, 2013). Utilizing multi-dimensioned representation and deep analysis model on geo-science problems, VGE can promote the rapid transformation from geodata to geo-knowledge (Li et al, 2002). Some scholar proposed an Informed Virtual Geographic Environments (IVGE) to support the geographical process simulation based on multi-agents (Mekni et al, 2011), which talked about the representation and reasoning of the geographic knowledge in VGE. Apparent with the traditional GIS, VGE process models have the features of cross-disciplinary, multi-interaction, multidimension and intensive data or computation. Those cause VGE having their own geographic knowledge architecture and. Most of the existing researches around the geographic knowledge focus on the traditional GIS realm and are not described and understood systematically
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