1. Suyama, A., Inoue, U.: Using geofencing for a disaster information system. In: 2016 IEEE/ACIS 15th International Conference on Computer and Information Science, pp. 1–5 (2016)
2. Daisuke, S., Takeshi, I., Michito, M.: A study about identification of pedestrian by using 3-axis accelerometer. In: 2011 IEEE 17th International Conference on Embedded and Real-Time Computing Systems and Applications, vol. 2, pp. 134–137 (2011)
3. Burke, J.A., et al.: Participatory sensing. In: Workshop on World-Sensor-Web: Mobile Device Centric Sensor Networks and Applications (2006)
4. Raghu, G., Fan, Y., Hui, L.: Mobile crowd sensing: current state and future challenges. IEEE Commun. Mag. 49, 32–39 (2011)
5. Liu, J., Shen, H., Zhang, X.: A survey of mobile crowdsensing techniques: a critical component for the Internet of Things. In: 2016 25th International Conference on Computer Communication and Networks, pp. 1–6 (2016)