A fuzzy rough approach to analyze the significance of semantic levels for building tags in OpenStreetMap

IF 2.1 3区 地球科学 Q2 GEOGRAPHY
Somayeh Ahmadian, Parham Pahlavani
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引用次数: 0

Abstract

In the realm of volunteered geographic information (VGI), the existence of comparable tags, attributes, and values across diverse categories of geographic objects gives rise to major categorization challenges such as conceptual overlap and indiscernibility. Enhancing the semantic data retrieval of VGI relies on the semantic quality of descriptive content annotated for tagging geographic objects. The main focus of this study is analyzing the descriptive content of OpenStreetMap to assess the significance of semantic levels. The proposed methodology relies on fuzzy rough set calculations to determine the degrees of dependency and significance of semantic levels. Three indicators, namely, the significance of semantic levels, decreasing the heterogeneity of attributes, and replicability were defined and assessed for a subset of building‐related tags. Analyzing building‐related tags in OpenStreetMap unveiled the higher significance for simple object, similarity, purpose, and function levels. The value of decreasing the heterogeneity of attributes was calculated at 63%, and the average replicability indicator of important attributes was doubled. Based on the results, the significance of semantic levels was deemed fit to enhance semantic homogeneity and replicability.
用模糊粗略法分析语义层次对在 OpenStreetMap 中建立标签的意义
在志愿地理信息(VGI)领域,不同类别的地理对象之间存在着可比较的标记、属性和值,这给分类工作带来了重大挑战,如概念重叠和难以辨别。增强自愿地理信息的语义数据检索依赖于为标记地理对象而注释的描述性内容的语义质量。本研究的重点是分析 OpenStreetMap 的描述性内容,以评估语义层次的重要性。所提出的方法依赖于模糊粗糙集计算来确定语义层次的依赖程度和重要性。我们定义了语义层次的重要性、属性异质性的降低和可复制性三个指标,并对建筑相关标签子集进行了评估。通过分析 OpenStreetMap 中与建筑相关的标签,发现简单对象、相似性、目的和功能层面的重要性较高。据计算,属性异质性的降低值为 63%,重要属性的平均可复制性指标翻了一番。根据结果,语义等级的重要性被认为适合提高语义同质性和可复制性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Transactions in GIS
Transactions in GIS GEOGRAPHY-
CiteScore
4.60
自引率
8.30%
发文量
116
期刊介绍: Transactions in GIS is an international journal which provides a forum for high quality, original research articles, review articles, short notes and book reviews that focus on: - practical and theoretical issues influencing the development of GIS - the collection, analysis, modelling, interpretation and display of spatial data within GIS - the connections between GIS and related technologies - new GIS applications which help to solve problems affecting the natural or built environments, or business
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