Title	An Empirical Analysis on the Operational Efficiency of CRM Call Centers in Korea
Author	SoonHoo So
Citation	Vol. 7  No. 12  pp. 171-178
Keywords	Call Center, Operational Efficiency, Key Performance Indicators, Caller Satisfaction, DEA, CRM, Business Process Outsourcing

Title	Application of Trajectory Data Mining Techniques in CRM using Movement Based Community Clustering
Author	V. Tanuja, P. Govindarajulu
Citation	Vol. 16  No. 11  pp. 20-29
Keywords	Data mining, CRM, Trajectory data mining, Trajectory datasets, Trajectory clustering.

Title	Real-time Twitter Data Analysis of Saudi Telecom Companies for Enhanced Customer Relationship Management
Author	Shaheen Khatoon
Citation	Vol. 17  No. 2  pp. 141-147
Keywords	Sentiment analysis Twitter SentiWordNet Natural language processing CRM, Telecommunication