Xiaoqing Song

Oct 15, 2024 | onlinelibrary.wiley.com | Xiaoqing Song |Yi Lu |Wei Jiang |Shumei Jiang

1 Introduction Ensuring quality is a prerequisite for big data research and the foundation for data analysis, mining, and decision support (Wang, Huang, and Zhu 2014). Mobile phone location (MPL) data represent an important component of universal spatiotemporal big data. Broadly speaking, MPL data can be derived from location-aware devices that are included on mobile phones (e.g., a GPS chip and Wi-Fi) or mobile positioning techniques (Zhao et al. 2018).

Oct 21, 2023 | mdpi.com | Xiaoqing Song |Zhongren Yang |Dong Zhang |Xiaoyan Zhang

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