Automated Twitter data collecting tool and case study with rule-based analysis. - Changhyun Byun; Yanggon Kim; Hyeoncheol Lee; Kwangmi Ko Kim (iiWAS, 2012)

Twitter data collecting tool with rule-based filtering and analysis module. - Changhyun Byun; Hyeoncheol Lee; Yanggon Kim; Kwangmi Ko Kim (Int. J. Web Inf. Syst., 2013)

Documents topic classification model in social networks using classifiers voting system. - Hyeoncheol Lee; Beomseok Hong; Kwangmi Ko Kim (RACS, 2015)

Sentiment analysis on social media using morphological sentence pattern model. - Youngsub Han; Kwangmi Ko Kim (SERA, 2017)

Super Bowl Live Tweets: The Usage of Social Media during a Sporting Event. - Youngsub Han; Beomseok Hong; Kwangmi Ko Kim (SMSociety, 2017)

Emotional Analysis with News Using Text Mining for Framing Theory. - Jinhyuck Choi; Kwangmi Ko Kim; Yanggon Kim (ICIS (best papers), 2019)