@article {sharara:snam10, title = {Understanding Actor Loyalty to Event-Based Groups in Affiliation Networks}, journal = {Journal of Advances in Social Networks Analysis and Mining}, volume = {1}, number = {2}, year = {2011}, month = {April}, pages = {115{\textendash}126}, author = {Sharara, Hossam and Singh, Lisa and Lise Getoor and Mann, Janet} } @conference {sharara:asonam09, title = {The Dynamics of Actor Loyalty to Groups in Affiliation Networks}, booktitle = {International Conference on Advances in Social Networks Analysis and Mining}, year = {2009}, month = {July}, author = {Sharara, Hossam and Singh, Lisa and Lise Getoor and Mann, Janet} }