网络空间隐喻Gosper地图表达与分析
刘龙辉(1998— ),男,河南郑州人,硕士生,主要从事网络空间测绘、可视化与可视分析等研究。E-mail: liulonghui_98@163.com |
Copy editor: 蒋树芳
收稿日期: 2023-10-30
修回日期: 2024-01-15
网络出版日期: 2024-03-26
基金资助
河南省自然科学基金项目(202300410536)
智慧中原地理信息技术河南省协同创新中心和时空感知与智能处理自然资源部重点实验室基金项目(212108)
Visualization and Analysis of Cyberspace Metaphor Gosper Map
Received date: 2023-10-30
Revised date: 2024-01-15
Online published: 2024-03-26
Supported by
Natural Science Foundation of Henan province(202300410536)
Joint Fund of Collaborative Innovation Center of Geo-Information Technology for Smart Central Plains, Henan Province and Key Laboratory of Spatiotemporal Perception and Intelligent processing, Ministry of Natural Resources(212108)
网络空间地图是认识抽象、复杂网络空间的重要工具,也是地图学领域研究的新方向和热点问题。针对传统网络空间制图不能分析网络节点多级拓扑关系和存在要素重叠的问题,本文综合应用隐喻思想和Gosper地图技术研究网络空间要素的隐喻表达与分析,提出了网络空间隐喻Gosper地图和地形图构建方法。首先,结合网络空间节点的拓扑层级关系和地理学第一定律构建网络节点与Gosper曲线叶节点的映射关系;然后,基于Gosper叶节点构建具有面域嵌套关系的Gosper地图;最后,结合隐喻思想和地图视觉要素与网络空间要素的相似性关系构建多尺度网络空间隐喻Gosper地图和地形图。本文基于两套网络空间资产数据验证了本文方法的适用性,并从节点分布、拓扑结构和节点脆弱性3个方面分析和挖掘网络空间资产特性用以说明网络空间隐喻Gosper地图的表达能力与认知效果。基于层次分析法的定量实验表明,本文方法的综合加权指标(0.499 8)远高于节点链接(0.266 8)和地理空间图层叠加(0.233 1)可视化方法。本文提出的网络空间隐喻地图能够有效解决传统网络空间可视化中节点重复冗余、复杂抽象且无法支撑可视化分析的问题,能够为感知和管理网络资产、挖掘网络空间数据,可视化分析网络空间提供理论和手段支撑。
刘龙辉 , 施群山 , 周杨 , 胡校飞 , 徐青 . 网络空间隐喻Gosper地图表达与分析[J]. 地球信息科学学报, 2024 , 26(1) : 144 -157 . DOI: 10.12082/dqxxkx.2024.230640
In recent years, with the continuous expansion and deepening of human geospatial awareness, cyberspace has become a new dimension of human life. Cyberspace is an inevitable product of the development of the Internet and information technology, a deepening and expansion of human geospatial awareness, and a new frontier that affects national security. It has become the fifth dimension of space that countries are concerned about. The cyberspace map is an important tool for understanding abstract and complex cyberspace, and it is also a new research direction and hot topic in the field of cartography. In view of the current problems in network space visualization technology, such as the inability of node-link visualization methods and geographical space layer overlay visualization methods to analyze multi-level topological relationships of network space nodes, as well as the overlap of elements in the above methods, this article comprehensively applies metaphorical thinking, Gosper map technology, and Level of Detail technology to study the metaphorical expression and analysis of network space elements, and proposes a method for constructing cyberspace metaphorical Gosper maps and topographic maps. This article first reviews the current research status of cyberspace map visualization, points out the problems in cyberspace visualization. Then, it describes the methodological principles of expressing network space elements based on metaphorical thinking. Secondly, this article proposes a method for constructing cyberspace maps and topographic maps. That is, firstly, combining the topological hierarchical relationships of network space nodes with the first law of geography to construct a mapping relationship between network nodes and Gosper curve leaf nodes. Then, based on Gosper leaf nodes, a Gosper map with nested face domains is constructed. Finally, combining metaphorical thinking with the similarity relationship between map visual elements and network space elements, multi-scale cyberspace metaphorical Gosper maps and topographic maps are constructed. Finally, based on two sets of network space asset data, we carry out construction experiments on cyberspace metaphorical Gosper maps and topographic maps, verifying the effectiveness of the proposed method. At the same time, we design quantitative analysis experiments for evaluating three visualization methods based on the Analytic Hierarchy Process (AHP). We analyze and mine the characteristics of network space assets from three aspects: network space node distribution, topological structure analysis, and critical terrain analysis. These characteristics are used to demonstrate the expressiveness and cognitive effectiveness of cyberspace metaphorical Gosper maps. Quantitatively speaking, our method outperforms the other two visualization methods in all five evaluation indicators.
图9 地图分界线转义表达网络空间节点拓扑结构注: IP (Internet Protocol)为协议级, POP (Point of Presence)为接人点级, AS (autonomous system)为自治域级。 图9(c)-9(d)底图引自河南省标准地图-行政版( https://henan.tianditu.gov.cn/standardMap )。 Fig. 9 Map boundary line transitive representation of cyberspace node topology |
表1 基于层次分析法的3种可视化方法的评估结果Tab. 1 Evaluation results of three visualization methods based on analytic hierarchy process |
可视化方法 | 视觉呈现的直观性 | 视觉呈现的易读性 | 信息传达的深度 | 信息传达的广度 | 信息传达的准确性 |
---|---|---|---|---|---|
隐喻Gosper地图 | 0.504 0 | 0.490 8 | 0.505 3 | 0.502 4 | 0.503 1 |
节点链接法 | 0.255 2 | 0.284 0 | 0.268 4 | 0.295 1 | 0.247 7 |
地理空间图层叠加法 | 0.240 8 | 0.225 2 | 0.226 2 | 0.202 5 | 0.249 2 |
注:加粗为本文方法评估结果。 |
表2 3种网络空间可视化方法的综合加权结果Tab. 2 Comprehensive weighted results of three cyberspace visualization methods |
可视化方法 | 加权指标 |
---|---|
隐喻Gosper地图 | 0.499 8 |
节点链接法 | 0.266 8 |
地理空间图层叠加法 | 0.233 1 |
注:加粗为本文方法评估结果。 |
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