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Design of personnel big data management system based on blockchain

机译：基于区块链的人事大数据管理系统设计

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With the continuous development of information technology, enterprises, universities and governments are constantly stepping up the construction of electronic personnel information management system. The information of hundreds of thousands or even millions of people's information are collected and stored into the system. So much information provides the cornerstone for the development of big data, if such data is tampered with or leaked, it will cause irreparable serious damage. However, in recent years, electronic archives have exposed a series of problems such as information leakage, information tampering, and information loss, which has made the reform of personnel information management more and more urgent. The unique characteristics of the blockchain, such as non-tampering and traceability make it have great application potential in personnel information management, and can effectively solve many problems of traditional file management. However, the blockchain is limited by its own shortcomings such as small storage space and slow synchronization time, and cannot be directly applied to the big data field. This paper proposes a personnel management system based on blockchain, we analyzed the defects of the blockchain and proposed an improved method, constructs a novel data storage model of on-chain and out-of-chain that can effectively solve the problem of data redundancy and insufficient storage space. Based on this, we developed a prototype system with query, add, modify, and track personnel information, verified the feasibility of applying blockchain to personnel information management, explore the possibility of combining blockchain with big data. (C) 2019 Elsevier B.V. All rights reserved.
机译：随着信息技术的不断发展，企业，高校和政府都在不断加紧电子人员信息管理系统的建设。数十万甚至数百万个人的信息被收集并存储到系统中。如此多的信息为大数据的发展提供了基石，如果这些数据被篡改或泄漏，将会造成无法弥补的严重破坏。但是，近年来，电子档案馆暴露出信息泄漏，信息篡改，信息丢失等一系列问题，这使得人事信息管理的改革越来越迫切。区块链的独特性，如不可篡改和可追溯性，使其在人员信息管理中具有巨大的应用潜力，可以有效解决传统文件管理中的许多问题。但是，区块链受其自身的缺点（如存储空间小，同步时间慢）的限制，无法直接应用于大数据领域。本文提出了一种基于区块链的人员管理系统，分析了区块链的缺陷，提出了一种改进的方法，构建了一种新的链上和链外数据存储模型，可以有效解决数据冗余和冗余的问题存储空间不足。在此基础上，我们开发了一个可查询，添加，修改和跟踪人员信息的原型系统，验证了将区块链应用于人员信息管理的可行性，探索了将区块链与大数据结合的可能性。 （C）2019 Elsevier B.V.保留所有权利。

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