Social Network Data Mining: Research Questions, Techniques, and Applications Nasrullah Memon, Jennifer Xu, David L. Hicks and Hsinchun Chen Automatic expansion of a social network using sentiment analysis Hristo Tanev, Bruno Pouliquen, Vanni Zavarella and Ralf Steinberger Automatic mapping of social networks of actors from text corpora: Time series analysis James A. Danowski and Noah Cepela A social network based recommender system (SNRS) Jianming He and Wesley W. Chu Network analysis of U.S. air transportation network Guangying Hua, Yingjie Sun, and Dominique Haughton Identifying high-status nodes in knowledge networks Siddharth Kaza and Hsinchun Chen Modularity for bipartite networks Tsuyoshi Murata ONDOCS: Ordering nodes to detect overlapping community structure Jiyang Chen, Osmar R. Zaiane, J¨org Sander, and Randy Goebel Framework for Fast Identification of Community Structures in Large-Scale Social Networks Yutaka I. Leon-Suematsu and Kikuo Yuta Geographically organized small communities and the hardness of clustering social networks Miklós Kurucz and András A. Benczúr Integrating genetic algorithms and fuzzy logic for web structure optimization Iltae Lee, Negar Koochakzadeh, Keivan Kianmehr, Reda Alhajj, and Jon Rokne.