Vinayaka Pandit Natwar Modani Sougata Mukherjea Amit Anil Nanavati Sambuddha Roy Amit Agarwal Extracting dense communities from telecom call graphs. 82-89 2008 COMSWARE http://dx.doi.org/10.1109/COMSWA.2008.4554383 conf/comsware/2008 db/conf/comsware/comsware2008.html#PanditMMNRA08