Beyond friendship graphs: a study of user interactions in Flickr Export

@inproceedings{Valafar09, abstract = {Most of the existing literature on empirical studies of Online Social Networks (OSNs) have focused on characterizing and modeling the structure of their inferred friendship graphs. However, the friendship graph of an OSN does not demonstrate what fraction of its users actively interact with other users, how these users interact, and how these active users and their interactions evolve over time. In this paper, we characterize indirect fan-owner interactions through photos among users in a large photo-sharing OSN, namely Flickr. Our results show that a very small fraction of users in the main component of the friendship graph is responsible for the vast majority of fan-owner interactions; moreover, these interactions involve only a small fraction of photos in Flickr. We also characterize some of the temporal properties of fan arrival. For example, we show that there is no strong correlation between age and popularity of a photo and that most photos gain a majority of their fans during the first week after their posting. Overall, our findings provide new insights into the fan-owner interactions among Flickr users.}, address = {New York, NY, USA}, author = {Valafar, Masoud and Rejaie, Reza and Willinger, Walter}, booktitle = {WOSN '09: Proceedings of the 2nd ACM workshop on Online social networks}, citeulike-article-id = {5679598}, citeulike-linkout-0 = {http://portal.acm.org/citation.cfm?id=1592665.1592672}, citeulike-linkout-1 = {http://dx.doi.org/10.1145/1592665.1592672}, doi = {10.1145/1592665.1592672}, isbn = {978-1-60558-445-4}, keywords = {flickr, online\_communities, social\_networks}, location = {Barcelona, Spain}, month = {August}, pages = {25--30}, posted-at = {2009-09-21 21:18:23}, priority = {3}, publisher = {ACM}, title = {Beyond friendship graphs: a study of user interactions in {Flickr}}, url = {http://dx.doi.org/10.1145/1592665.1592672}, year = {2009} }

TY - CONF ID - Valafar09 L3 - citeulike-article-id:5679598 N2 - Most of the existing literature on empirical studies of Online Social Networks (OSNs) have focused on characterizing and modeling the structure of their inferred friendship graphs. However, the friendship graph of an OSN does not demonstrate what fraction of its users actively interact with other users, how these users interact, and how these active users and their interactions evolve over time. In this paper, we characterize indirect fan-owner interactions through photos among users in a large photo-sharing OSN, namely Flickr. Our results show that a very small fraction of users in the main component of the friendship graph is responsible for the vast majority of fan-owner interactions; moreover, these interactions involve only a small fraction of photos in Flickr. We also characterize some of the temporal properties of fan arrival. For example, we show that there is no strong correlation between age and popularity of a photo and that most photos gain a majority of their fans during the first week after their posting. Overall, our findings provide new insights into the fan-owner interactions among Flickr users. CY - Barcelona, Spain SN - 978-1-60558-445-4 AD - New York, NY, USA EP - 30 TI - Beyond friendship graphs: a study of user interactions in {Flickr} PB - ACM T2 - WOSN '09: Proceedings of the 2nd ACM workshop on Online social networks SP - 25 KW - flickr KW - online_communities KW - social_networks AU - Valafar, Masoud AU - Rejaie, Reza AU - Willinger, Walter PY - 2009/August// UR - http://dx.doi.org/10.1145/1592665.1592672 ER -