跨学科空间地球数据的统一表示方法

IF 4.2 3区 地球科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Shuang Wang, Jian Wang, Qin Zhan, Lianchong Zhang, X. Yao, Guoqing Li
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引用次数: 6

摘要

空间地球数据的统一表示是一个重要的科学问题。跨学科空间地球数据资源的分析和挖掘有助于发现隐藏的科学知识,甚至揭示不同学科之间的内在联系。然而,跨学科空间地球数据的描述方法和内部结构不同,给地球环境研究中的数据统一管理和协同分析带来了重大挑战。针对这一问题,本文提出了一种跨学科空间地球数据的统一表示方法。首先,建立通用元数据模型,实现跨学科数据的统一描述。其次,提出了一种实体数据组织模型,该模型可以实现内部结构不同的实体数据的统一组织。最后,介绍了一种基于HDF5实现跨学科空间地球数据组织模型的数据格式——空间地球数据格式(SEDF)。通过数据表示实验和验证,验证了所提出的数据表示方法的有效性和实用性。结果表明,该方法具有较强的高效表示空间地球数据的能力,保证了数据的完整性,便于数据的管理和应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A unified representation method for interdisciplinary spatial earth data
ABSTRACT Unified representation of spatial earth data is an essential scientific issue. The analysis and mining of interdisciplinary spatial earth data resources can help discover hidden scientific knowledge, and even reveal the intrinsic relationship among different disciplines. However, the different description methods and inner structures among interdisciplinary spatial earth data bring significant challenges to unified data management and collaborative analysis in earth environment research. To address this issue, this paper proposes a unified representation method for interdisciplinary spatial earth data. First, this paper establishes a general metadata model and realizes the unified description of interdisciplinary data. Second, an entity data organization model is presented, which can realize the unified organization of entity data with different inner structures. Finally, we introduce the Spatial Earth Data Format (SEDF), a data format based on HDF5 for implementing the data organization model of interdisciplinary spatial earth data. Data representation experiments and validation are conducted to verify the availability and practicability of the proposed data representation method. The results suggest the powerful ability to represent spatial earth data efficiently and ensure data integrity, which is convenient for data management and application.
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来源期刊
Big Earth Data
Big Earth Data Earth and Planetary Sciences-Computers in Earth Sciences
CiteScore
7.40
自引率
10.00%
发文量
60
审稿时长
10 weeks
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