Automatically characterizing places with opportunistic crowdsensing using smartphones

  title={Automatically characterizing places with opportunistic crowdsensing using smartphones},
  author={Yohan Chon and Nicholas D. Lane and Fei Li and Hojung Cha and Feng Zhao},
Automated and scalable approaches for understanding the semantics of places are critical to improving both existing and emerging mobile services. In this paper, we present CrowdSense@Place (CSP), a framework that exploits a previously untapped resource -- opportunistically captured images and audio clips from smartphones -- to link place visits with place categories (e.g., store, restaurant). CSP combines signals based on location and user trajectories (using WiFi/GPS) along with various visual… CONTINUE READING
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