Introduction to the Relationlog System. - Riqiang Shan; Mengchi Liu (DDLP, 1998)

Design and Implementation of the Relationlog Deductive Database System. - Mengchi Liu; Riqiang Shan (DEXA Workshop, 1998)

ROL: A Prototype for Deductive and Object-Oriented Databases (Demo). - Mengchi Liu; Weidong Yu; Min Guo; Riqiang Shan (ICDE, 1998)