@unpublished{FalBar07, author = {Falkowski, Tanja and Barth, Anja}, interhash = {72bc0bbc724d035ea119f793eb04f636}, intrahash = {754a48202afdc98227bd53128524a77f}, note = {Presented at The 4th conference on Applications of Social Network Analysis (ASNA)}, title = {Density-based Temporal Graph Clustering for Subgroup Detection in Social Networks}, year = 2007 }