We have added the following data set to the CRAWDAD archive: - sapienza/probe-requests (v. 2013-09-10) Wireless probe requests collected in Rome between February and May 2013. You can download the data set at http://www.crawdad.org/sapienza/probe-requests The data set was used for the following paper: Alessandro Mei Vasile C. Perta Marco V. Barbera, Alessandro Epasto and Julinda Stefa. Signals from the crowd: Uncovering social relationships through smartphone probes. Proceedings of the 2013 ACM Internet Measurement Conference, IMC '13. ACM, 2013. -- Tristan Henderson | School of Computer Science | University of St Andrews www: http://tristan.host.cs.st-andrews.ac.uk/ | tel: +44 1334 461637 The University of St Andrews is a charity registered in Scotland: No SC013532