@inproceedings{jain2015lookup, title={Lookup: Enabling pedestrian safety services via shoe sensing}, author={Jain, Shubham and Borgiattino, Carlo and Ren, Yanzhi and Gruteser, Marco and Chen, Yingying and Chiasserini, Carla Fabiana}, booktitle={Proceedings of the 13th Annual International Conference on Mobile Systems, Applications, and Services}, pages={257--271}, year={2015}, organization={ACM} }