Predicting tie strength with social media
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Fingerprinting websites using remote traffic analysis
Proceedings of the 17th ACM conference on Computer and communications security
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Call-record analysis is one of the oldest tools used in defense, law-enforcement, and business intelligence. For example, the NSA collected over 1.9 trillion call records between 2001 and 2004 [1]. A call-record database allows both single link (e.g., time, initiation, frequency of a call) and cluster analysis of calls in the temporal, spatial, and frequency domains. It can also indicate overlaps among different clusters, such as those obtained from different investigations, and similarity of clusters, such as those obtained when a group of targets changes their phone numbers but not their communication habits [10, 12].