Veda C. Storey Heng-Li Yang Robert C. Goldstein Semantic Integrity Constraints in Knowledge-Based Database Design Systems. 1-37 1996 20 Data Knowl. Eng. 1 db/journals/dke/dke20.html#StoreyYG96 http://dx.doi.org/10.1016/0169-023X(95)00035-Q