1. 西北工业大学计算机学院,陕西 西安 710072
2. 福州大学数学与计算机科学学院,福建 福州 350108
[ "常慧娟(1995-),女,西北工业大学计算机学院硕士生,主要研究方向为群智感知。" ]
[ "於志文(1977-),男,博士,西北工业大学计算机学院教授,中国计算机学会(CCF)高级会员,主要研究方向为普适计算、社会感知计算。" ]
[ "於志勇(1982-),男,博士,福州大学数学与计算机科学学院副教授,CCF会员,主要研究方向为普适计算、移动社交网络。" ]
[ "安琦(1993-),女,西北工业大学计算机学院硕士生,CCF学生会员,主要研究方向为群智感知。" ]
[ "郭斌(1980-),男,博士,西北工业大学计算机学院教授,CCF高级会员,主要研究方向为普适计算、移动群智感知。" ]
网络首发:2018-11,
纸质出版:2018-11-15
移动端阅览
常慧娟, 於志文, 於志勇, 等. 基于主动学习和克里金插值的空气质量推测[J]. 大数据, 2018,4(6):2018061.
Huijuan CHANG, Zhiwen YU, Zhiyong YU, et al. Air quality estimation based on active learning and Kriging interpolation[J]. Big data research, 2018, 4(6): 2018061.
常慧娟, 於志文, 於志勇, 等. 基于主动学习和克里金插值的空气质量推测[J]. 大数据, 2018,4(6):2018061. DOI: 10.11959/j.issn.2096-0271.2018061.
Huijuan CHANG, Zhiwen YU, Zhiyong YU, et al. Air quality estimation based on active learning and Kriging interpolation[J]. Big data research, 2018, 4(6): 2018061. DOI: 10.11959/j.issn.2096-0271.2018061.
空气质量监测站仅能在少数位置部署,故而无法获取城市中每个位置的空气质量信息。提出了一种基于主动学习和克里金插值的空气质量推测算法。该算法首先选用克里金插值作为基础的空气质量推测算法,然后结合主动学习的思想,对置信度最大的位置进行优先采样,最终建立基于主动学习的插值模型,通过最少的监测点对空气质量进行采样,最大限度地提升推测其他位置空气质量的准确度。研究结果表明,所提算法能够有效地提高空气质量推测精度,同时减少监测站采样数量,降低部署成本。
For the air quality monitoring station
it can only be deployed in a few locations and cannot obtain the air quality information of each location in the city.An air quality estimation algorithm based on active learning and Kriging interpolation was proposed.Firstly
Kriging interpolation was used as the basic air quality estimation algorithm.Secondly
combined with the idea of active learning
the position-first sampling with the highest confidence of the model was searched.Finally
an interpolation model based on active learning was established to select the least position-to-air quality.Sampling was performed to maximize the accuracy of air quality at other locations.The results show that the proposed algorithm can effectively improve the accuracy of air quality estimation
reduce the number of sampling stations and reduce the deployment cost.
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