K. Sonawane, B. Wagh, M. Shelar, and N. Yeole. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (1):
280--283(January 2015)
P. Kazienko, K. Musial, and T. Kajdanowicz. (2013)cite arxiv:1303.0093Comment: social recommender system;Multidimensional social network (MSN);Web 2.0;multi-layered social network;multimedia sharing system (MSS);recommender system;social network analysis.
M. Mavrikis, and S. Gutierrez-Santos. Computers & Education, 54 (3):
641 - 651(2010)Learning in Digital Worlds: Selected Contributions from the CAL 09 Conference.