TweoLocator: a non-intrusive geographical locator system for Twitter. - Rodolfo Gonzalez; Gerardo Figueroa; Yi-Shin Chen (LBSN@GIS, 2012)

Collaborative Ranking between Supervised and Unsupervised Approaches for Keyphrase Extraction. - Gerardo Figueroa; Yi-Shin Chen (ROCLING, 2014)

SociRank: Identifying and Ranking Prevalent News Topics Using Social Media Factors. - Derek Davis; Gerardo Figueroa; Yi-Shin Chen (IEEE Trans. Syst. Man Cybern. Syst., 2017)

RankUp: Enhancing graph-based keyphrase extraction methods with error-feedback propagation. - Gerardo Figueroa; Po-Chi Chen; Yi-Shin Chen (Comput. Speech Lang., 2018)