A semantic similarity measure in document databases: an earth mover's distance-based approach. - Min-Hee Jang; Tae-Hwan Eom; Sang-Wook Kim; Young-Sup Hwang (RACS, 2013)

Computing paper similarity based on latent dirichlet allocation. - Duck-Ho Bae; Seok-Ho Yoon; Tae-Hwan Eom; Jiwoon Ha; Young-Sup Hwang; Sang-Wook Kim (ICUIMC, 2014)