[ "钱卫宁(1976-),男,华东师范大学数据科学与工程学院教授、博士生导师,主要研究方向为互联网环境下的数据管理、大数据管理系统评测基准、社交媒体数据分析、知识图谱构建与应用等。" ]
[ "金澈清(1977-),男,华东师范大学数据科学与工程学院教授、博士生导师,主要研究方向为基于位置的服务、数据质量、不确定数据管理、区块链等。" ]
[ "邵奇峰(1976-),男,中原工学院软件学院副教授,华东师范大学数据科学与工程学院访问学者,主要研究方向为大数据、区块链。" ]
[ "周傲英(1965-),男,华东师范大学长江学者特聘教授、副校长,数据科学与工程学院院长,主要研究方向为Web数据管理、数据密集型计算、内存集群计算、分布事务处理、大数据基准测试和性能优化。" ]
网络首发:2018-01,
纸质出版:2018-01-15
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钱卫宁, 金澈清, 邵奇峰, 等. 区块链与分享型数据库[J]. 大数据, 2018,4(1):2018004.
Weining QIAN, Cheqing JIN, Qifeng SHAO, et al. Blockchain and sharing database[J]. Big Data Research, 2018, 4(1): 2018004.
钱卫宁, 金澈清, 邵奇峰, 等. 区块链与分享型数据库[J]. 大数据, 2018,4(1):2018004. DOI: 10.11959/j.issn.2096-0271.2018004.
Weining QIAN, Cheqing JIN, Qifeng SHAO, et al. Blockchain and sharing database[J]. Big Data Research, 2018, 4(1): 2018004. DOI: 10.11959/j.issn.2096-0271.2018004.
区块链可以实现无中心、高可信的账本管理,成功支撑了比特币等金融领域应用发展。区块链的本质是在不完全可信环境中的可信数据管理,它具有去中心化、防篡改、强一致和完整性等特性。同时,区块链也存在着数据管理功能弱、性能低等问题。通过对比区块链和传统数据管理技术,分析3个典型的金融领域以外的区块链应用,探讨区块链上新的研究问题,并讨论面向特定领域应用,研发分享型数据库系统(即支持核心业务,支撑分享经济业务模式,甚至本身也是以分享经济的方式实现的数据库)的必要性。
Blockchain could achieve trustworthy ledger management without central node.It has been successfully supporting financial applications such as Bitcoin.The essence of blockchain is trusted data management in an incompletely trusted environment.It has such features as decentralization
anti-tampering
strong consistency and integrity.On the other hand
blockchain also suffers the problem of weak data management functions
low performance and other issues.By comparing blockchain with traditional data management techniques and analyzing the three applications of blockchain beyond the financial fields
new research issues on blockchain were explored.The requirement for design and implementation of sharing database systems for specific application domains was discussed.The sharing database can be simply defined as a database that supports mission-critical applications
the sharing economic business model
and even itself is implemented in a sharing economy manner.
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