@Phillies Tweeting from Philly? Predicting Twitter User Locations with Spatial Word Usage. - Hau-Wen Chang; Dongwon Lee 001; Mohammed Eltaher; Jeongkyu Lee (ASONAM, 2012)

Social User Mining: Survey on Mining Different Types of Social Media Data. - Mohammed Eltaher; Jeongkyu Lee (Int. J. Multim. Data Eng. Manag., 2013)