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Estimating the strength of ties in communication networks with a small number of users

Banford, Jamie and Mcdiarmid, Alisdair and Irvine, James (2010) Estimating the strength of ties in communication networks with a small number of users. In: Proceedings from the 6th International Conference on Wireless and Mobile Communications (ICWMC), 2010. IEEE, pp. 191-195. ISBN 978-1-4244-8021-0

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An accurate method of estimating the tie strengths of mobile phone users will enable the development of socially-aware mobile applications. The strength of ties between mobile phone users can be estimated for large numbers of users by using the aggregated call duration as a proxy for tie strength. This paper investigates appropriate proxies for tie strength in a network of less than one hundred people. We find that aggregated call duration is a reasonable proxy for tie strength for a small number of users, as is total call count, and that aggregated proximity duration and total proximity count are also approximate proxies for tie strength.