To search is to believe? A comparative study of health information use by internet users. - Chang Liu 007; Ying-Hsang Liu; Tao Xu 007 (ASIST, 2009)

Analysis and evaluation of query reformulations in different task types. - Chang Liu 007; Jacek Gwizdka; Jingjing Liu 007; Tao Xu 007; Nicholas J. Belkin (ASIST, 2010)

Preliminary Exploration of the Effect of Time Constraint on Search Interactions on Webpages. - Chang Liu 007; Tao Xu 007 (JCDL, 2016)