Opinion Retrieval Systems using Tweet-external Factors. - Yoon-Sung Kim; Young-In Song; Hae-Chang Rim (COLING (Demos), 2016)

Opinion Retrieval for Twitter Using Extrinsic Information. - Yoon-Sung Kim; Young-In Song; Hae-Chang Rim (J. Univers. Comput. Sci., 2016)

Business environmental analysis for textual data using data mining and sentence-level classification. - Yoon-Sung Kim; Hae-Chang Rim; Do-Gil Lee (Ind. Manag. Data Syst., 2019)