User grouping behavior in online forums Export

@inproceedings{citeulike:5044000, abstract = {Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a reflection of the changing and expanding of their interests toward information. In this paper, we study the patterns of user participation behavior, and the feature factors that influence such behavior on different forum datasets. We find that, despite the relative randomness and lesser commitment of structural relationships in online forums, users' community joining behaviors display some strong regularities. One particularly interesting observation is that the very weak relationships between users defined by online replies have similar diffusion curves as those of real friendships or co-authorships. We build social selection models, Bipartite Markov Random Field (BiMRF), to quantitatively evaluate the prediction performance of those feature factors and their relationships. Using these models, we show that some features carry supplementary information, and the effectiveness of different features vary in different types of forums. Moreover, the results of BiMRF with two-star configurations suggest that the feature of user similarity defined by frequency of communication or number of common friends is inadequate to predict grouping behavior, but adding node-level features can improve the fit of the model.}, address = {New York, NY, USA}, author = {Shi, Xiaolin and Zhu, Jun and Cai, Rui and Zhang, Lei}, booktitle = {KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining}, citeulike-article-id = {5044000}, citeulike-linkout-0 = {http://portal.acm.org/citation.cfm?id=1557019.1557105}, citeulike-linkout-1 = {http://dx.doi.org/10.1145/1557019.1557105}, doi = {10.1145/1557019.1557105}, isbn = {978-1-60558-495-9}, keywords = {clustering, collaboration, social}, location = {Paris, France}, pages = {777--786}, posted-at = {2009-07-03 09:27:11}, priority = {2}, publisher = {ACM}, title = {User grouping behavior in online forums}, url = {http://dx.doi.org/10.1145/1557019.1557105}, year = {2009} }

TY - CONF ID - citeulike:5044000 L3 - citeulike-article-id:5044000 N2 - Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a reflection of the changing and expanding of their interests toward information. In this paper, we study the patterns of user participation behavior, and the feature factors that influence such behavior on different forum datasets. We find that, despite the relative randomness and lesser commitment of structural relationships in online forums, users' community joining behaviors display some strong regularities. One particularly interesting observation is that the very weak relationships between users defined by online replies have similar diffusion curves as those of real friendships or co-authorships. We build social selection models, Bipartite Markov Random Field (BiMRF), to quantitatively evaluate the prediction performance of those feature factors and their relationships. Using these models, we show that some features carry supplementary information, and the effectiveness of different features vary in different types of forums. Moreover, the results of BiMRF with two-star configurations suggest that the feature of user similarity defined by frequency of communication or number of common friends is inadequate to predict grouping behavior, but adding node-level features can improve the fit of the model. CY - Paris, France SN - 978-1-60558-495-9 AD - New York, NY, USA EP - 786 TI - User grouping behavior in online forums PB - ACM T2 - KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining SP - 777 KW - clustering KW - collaboration KW - social AU - Shi, Xiaolin AU - Zhu, Jun AU - Cai, Rui AU - Zhang, Lei PY - 2009/// UR - http://dx.doi.org/10.1145/1557019.1557105 ER -