Zobrazeno 1 - 10
of 123
pro vyhledávání: '"ChengZhong Xu"'
Autor:
Yu Li, Jianhua Liu, Zhongcheng Yang, Jianxing Yu, Chengzhong Xu, Aiqin Zhu, Hao Zhang, Xiaokun Yang, Xin Zhao, Minrui Ren, Zhili Li, Jinzhao Cui, Hongting Zhao, Xiang Ren, Chengxi Sun, Ying Cheng, Qiulan Chen, Zhaorui Chang, Junling Sun, Lance E. Rodewald, Liping Wang, Luzhao Feng, George F. Gao, Zijian Feng, Zhongjie Li
Publikováno v:
Emerging Infectious Diseases, Vol 27, Iss 9, Pp 2288-2293 (2021)
We estimated the symptomatic, PCR-confirmed secondary attack rate (SAR) for 2,382 close contacts of 476 symptomatic persons with coronavirus disease in Yichang, Hubei Province, China, identified during January 23–February 25, 2020. The SAR among al
Externí odkaz:
https://doaj.org/article/84133f498eff4739b111a60981eb7704
Autor:
Zhong Li, Peiyin Hung, Ruibo He, Xiaoming Tu, Xiaoming Li, Chengzhong Xu, Fangfang Lu, Pei Zhang, Liang Zhang
Publikováno v:
BMC Public Health, Vol 20, Iss 1, Pp 1-9 (2020)
Abstract Background Disparities in the utilization, expenditures, and quality of care by insurance types have been well documented. Such comparisons have yet to be investigated in end-of-life (EOL) settings in China, where public insurance covers ove
Externí odkaz:
https://doaj.org/article/08610fcc03f84313b4fde3ea0d039e20
Publikováno v:
IEEE Access, Vol 8, Pp 76632-76641 (2020)
A plethora of information is now readily available for traffic prediction, making an effective use of them enables better traffic planning. With data coming from multiple sources, and their features spanning spatial and temporal dimensions, there is
Externí odkaz:
https://doaj.org/article/5cc90b3a50bb40f9b609ad4d15ad60a0
Autor:
Yu Wang, Chengye Yao, Chengzhong Xu, Xinying Zeng, Maigeng Zhou, Yun Lin, Pei Zhang, Peng Yin
Publikováno v:
Environmental Health, Vol 18, Iss 1, Pp 1-11 (2019)
Abstract Background Previous studies showed inconsistent results on risk of increased outpatient visits for cause-specific diseases associated with ambient carbon monoxide (CO). Methods Daily data for CO exposure and outpatient visits for all-causes
Externí odkaz:
https://doaj.org/article/e788c8e361714aa99e2345a33ada30f7
Publikováno v:
IEEE Access, Vol 5, Pp 3580-3593 (2017)
Hadoop is the most popular implementation framework of the MapReduce programming model, and it has a number of performance-critical configuration parameters. However, manually setting these parameters to their optimal values not only needs in-depth k
Externí odkaz:
https://doaj.org/article/d4ae37dbf8114718a84c8bef72a908f8
Publikováno v:
IEEE Access, Vol 5, Pp 13157-13170 (2017)
HBase is a distributed database management system and is becoming increasingly popular for applications that need fast random access to a large amount of data. However, it has a number of performancecritical configuration parameters, which may intera
Externí odkaz:
https://doaj.org/article/1e1ed55adf8543e988b84c4987b7d459
Publikováno v:
IEEE Transactions on Big Data. 9:991-1003
Publikováno v:
Journal of Parallel and Distributed Computing. 175:37-50
Publikováno v:
IEEE Transactions on Computers. 72:1208-1214
In this paper, we study a data caching problem in the cloud environment, where multiple frequently co-utilised data items could be packed as a single item being transferred to serve a sequence of data requests dynamically with reduced cost. To this e
Publikováno v:
IEEE Transactions on Services Computing. 16:1522-1539