Semantic Vector Space Model: Implementation and Evaluation. - Geoffrey Z. Liu (J. Am. Soc. Inf. Sci., 1997)

Symbolic Projection for Image Information Retrieval and Spatial Reasoning, by Shi-Kuo Chang and Erland Jungert. - Geoffrey Z. Liu (J. Am. Soc. Inf. Sci., 1997)

Automated Information Retrieval: Theory and Methods, by Valery I. Frants, Jacob Shapiro, and Vladimir G. Voiskunskii. - Geoffrey Z. Liu (J. Am. Soc. Inf. Sci., 1998)

Virtual Community Presence in Internet Relay Chatting. - Geoffrey Z. Liu (J. Comput. Mediat. Commun., 1999)

Metacognition & conceptual drifting in interactive information retrieval: An exploratory field study. - Geoffrey Z. Liu; Steven S. Chong (ASIST, 2011)

IJOSpontaneous Group Decision Making in Distributed Collaborative Learning: A Quantitative Exploratory Study. - Geoffrey Z. Liu (Int. J. Online Pedagog. Course Des., 2013)