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| An Evolutionary Schema for Metadata Description |
Xuhui Li1,2( ),Tao Yu1,Ting Li1,Yiwen Li3,Jinguang Gu4 |
1School of Information Management, Wuhan University, Wuhan 430072, China
2Center for Studies of Information Resources, Wuhan University, Wuhan 430072, China
3College of Computer Science and Electronic Engineering, Hunan University, Changsha 410082, China
4College of Computer Science and Technology, Wuhan University of Science and Technology,Wuhan 430065, China |
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Abstract [Objective] This paper proposes an evolutionary schema for metadata description, aiming to address the frequent changing of schema for information system applications.[Methods] First, we summarized related research and formalized the structural description of the conceptual schema. Then, we summarized the common forms of conceptual schema evolution by combining schema structures. Finally, we determined the evolution schema structure based on the normal model.[Results] This paper established an evolutionary mechanism for metadata description and the ENM (Evolutionary Normal Metadata) model.[Limitations] This paper is only a preliminary study. More in-depth discussion is needed on the theoretical nature of structural expressions of normal conceptual schema.[Conclusions] The proposed method has strong abilityin the concept description of semantic features.
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Received: 03 July 2019
Published: 14 March 2020
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Corresponding Authors:
Xuhui Li
E-mail: lixuhui@whu.edu.cn
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