@inproceedings {255274, author = {Sathvik Prasad and Elijah Bouma-Sims and Athishay Kiran Mylappan and Bradley Reaves}, title = {Who{\textquoteright}s Calling? Characterizing Robocalls through Audio and Metadata Analysis}, booktitle = {29th USENIX Security Symposium (USENIX Security 20)}, year = {2020}, isbn = {978-1-939133-17-5}, pages = {397--414}, url = {https://www.usenix.org/conference/usenixsecurity20/presentation/prasad}, publisher = {USENIX Association}, month = aug }