A knowledge graph and service for regional geologic time standards

A knowledge graph and service for regional geologic time standards
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区域地质时间标准知识图谱及服务

DOI:
10.1016/j.gsf.2022.101453
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发表时间:
2022
影响因子:
8.9
通讯作者:
Ma, Xiaogang
Ma, Xiaogang
中科院分区:
地球科学1区
文献类型:
--
作者:
Ma, Chao;Kale, Amruta Suresh;Zhang, Jiyin;Ma, Xiaogang

文献摘要

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地质时代是地质研究的一个重要维度。在地球历史的数据密集型研究中,地质时间数据通常从多个来源收集,并提出了数据清理和整合的问题。建立了国际地质时间尺度的知识图谱,以协调异构数据,以促进有效和高效的数据驱动发现。尽管许多区域地质时间标准也被用于各种数据库和文献中,但对其知识图谱的讨论或开发却很有限。在本研究中,我们构建了17个地区的地质年代标准知识图谱。该区域地质年代知识图谱与国际地质年代知识图谱相融合,形成综合性的深层时间知识库。建立了SPARQL端点,为知识库提供开放、免费的在线服务。这里提供了几个用例来演示我们构建的知识图的功能及其在开放数据探索中的应用。我们的工作解决了区域地质时间标准的机器可读知识图的短缺问题,并将有助于加速数据密集型研究中多个来源的地质数据集成。本文中的所有数据和代码都是开源的,可以在 GitHub 和 Zenodo 上访问。
Geologic time is an important dimension in geological research. Geologic time data are commonly collected from multiple sources in data-intensive studies of Earth’s history and raise an issue of data cleansing and integration. A knowledge graph of the international geological time scale has been established to harmonize heterogeneous data to facilitate effective and efficient data-driven discovery. Although many regional geologic time standards are also used in various databases and literature, there is limited discussion or development of knowledge graph for them. In this research, we construct a knowledge graph for the geologic time standards in 17 regions at the Epoch and Age levels. This regional geologic time knowledge graph is integrated with the international geologic time knowledge graph as a comprehensive deep-time knowledge base. A SPARQL endpoint has been established to provide open and free online service to the knowledge base. Several use cases are presented here to demonstrate the functionality of the knowledge graph we built as well as its application in open data exploration. Our work addresses the shortage of machine-readable knowledge graphs for regional geologic time standards and will help accelerate geologic data integration from multiple sources in data-intensive studies. All data and code in this paper are made open source and are accessible on GitHub and Zenodo.
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