Group formation in large social networks: membership, growth, and evolution
Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining
Structure and evolution of online social networks
Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining
Graph evolution: Densification and shrinking diameters
ACM Transactions on Knowledge Discovery from Data (TKDD)
Why we twitter: understanding microblogging usage and communities
Proceedings of the 9th WebKDD and 1st SNA-KDD 2007 workshop on Web mining and social network analysis
Planetary-scale views on a large instant-messaging network
Proceedings of the 17th international conference on World Wide Web
Micro-Blog: sharing and querying content through mobile phones and social participation
Proceedings of the 6th international conference on Mobile systems, applications, and services
Social Science Computer Review
Comparison of online social relations in volume vs interaction: a case study of cyworld
Proceedings of the 8th ACM SIGCOMM conference on Internet measurement
Proceedings of the 6th ACM conference on Embedded network sensor systems
User interactions in social networks and their implications
Proceedings of the 4th ACM European conference on Computer systems
A measurement-driven analysis of information propagation in the flickr social network
Proceedings of the 18th international conference on World wide web
An experimental study of large-scale mobile social network
Proceedings of the 18th international conference on World wide web
Cluestr: mobile social networking for enhanced group communication
Proceedings of the ACM 2009 international conference on Supporting group work
On the evolution of user interaction in Facebook
Proceedings of the 2nd ACM workshop on Online social networks
Analysis of a Location-Based Social Network
CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 04
Evolution of an online social aggregation network: an empirical study
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
What is Twitter, a social network or a news media?
Proceedings of the 19th international conference on World wide web
Measurement and analysis of an online content voting network: a case study of Digg
Proceedings of the 19th international conference on World wide web
Time-based sampling of social network activity graphs
Proceedings of the Eighth Workshop on Mining and Learning with Graphs
Tracking cohesive subgroups over time in inferred social networks
The New Review of Hypermedia and Multimedia - Web Science
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Smart phones and ubiquitous wireless connections are helping people to build and maintain mobile social relationships. We present an in-depth and complete evolution analysis on the user activities and social graph of a mobile social network using data obtained from Nokia Friend View. Our results show that (1) user activities in Friend View are highly correlated and the power law fitted exponents for user activities distribution are slowly becoming larger over time, which appears to be contrary to the famous "rich get richer" assertion in the preferential attachment model because users in Friend View regard the reciprocity as important during the interaction and (2) both undirected friend network and directed comment network in Friend View are small-world and scalefree networks over time with slowly decreasing clustering coefficient. However, compared to online social networks where users have a large number of friends but loose weakly-tied subgroups, users in Friend View tend to have close strongly-tied cohesive subgroups. The results can help us understand users' social activities and interactions over time in mobile social networks.