Title :
Visual data quality analysis for taxi GPS data
Author :
Zuchao Wang; Xiaoru Yuan; Tangzhi Ye; Youfeng hao; Siming Chen; Jie Liangk; Qiusheng Li; Haiyang Wang; Yadong Wu
Author_Institution :
Key Laboratory of Machine Perception (Ministry of Education), and School of EECS, Peking University, China
Abstract :
We present a novel visual analysis method to systematically discover data quality problems in raw taxi GPS data. It combines semi-supervised active learning and interactive visual exploration. It helps analysts interactively discover unknown data quality problems, and automatically extract known problems. We report analysis results on Beijing taxi GPS data.
Keywords :
"Public transportation","Global Positioning System","Electronic mail","Trajectory","Visualization","Spatiotemporal phenomena","Feature extraction"
Conference_Titel :
Visual Analytics Science and Technology (VAST), 2015 IEEE Conference on
DOI :
10.1109/VAST.2015.7347689
