A note on a graph-structural approach to the generalization of data management systems. - Peter Ann-Beng Ng; David T. Chen (Inf. Sci., 1978)

Introduction to the special issue on the use of entity-relationship concepts in databases and related software. - Sushil Jajodia; Peter Ann-Beng Ng; Raymond T. Yeh (J. Syst. Softw., 1984)