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基于Wonderware平台的自定义历史数据库的设计与实现 被引量:1
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作者 王立烁 张兴波 《微型机与应用》 2015年第17期96-98,共3页
针对Wonderware平台自带的历史数据服务无法满足大量历史数据同时存储的问题,对该平台的历史数据服务进行了研究和分析,在保证Wonderware平台存储历史数据的正确性、及时性和完整性的前提下,结合Wonderware平台与.NET能够兼容的特性,设... 针对Wonderware平台自带的历史数据服务无法满足大量历史数据同时存储的问题,对该平台的历史数据服务进行了研究和分析,在保证Wonderware平台存储历史数据的正确性、及时性和完整性的前提下,结合Wonderware平台与.NET能够兼容的特性,设计了一种新的历史数据存储方法,使用C#语言完成了基于.NET的自定义历史数据库的开发并投入实际使用,运行效果良好。 展开更多
关键词 WONDERWARE 历史数据服务 自定义历史数据 C#
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The development history and enlightenment of the scientific data services of American university libraries
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作者 ZHU Yijia LI Tianzhang +1 位作者 YANG Helin HUANG Xueqi 《International English Education Research》 2018年第3期62-64,共3页
In the era of the big data. the national strategies and the rapid development of computers and storage technologies bring opportunities and challenges to the library's data services. Based on the investigation litera... In the era of the big data. the national strategies and the rapid development of computers and storage technologies bring opportunities and challenges to the library's data services. Based on the investigation literature of the scientific data services in the university libraries in the United States, the development process of the scientific data is analyzed from three aspects of the service types, the service mode and the service contents. The author of this paper also proposes opportunities and challenges from 5 aspects of the policy support. strengthening the publicity, the self learning, the self positioning and relying on the embedded subject librarians, to promote the development of the library scientific data services. 展开更多
关键词 Big data scientific data service university library
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