Conceptual Modeling - ER 2000 19th International Conference on Conceptual Modeling, Salt Lake City, Utah, USA, October 9-12, 2000 Proceedings - Laender, Alberto H.F; Laender, Alberto H.F; Liddle, Stephen W.; Liddle, Stephen W.; Storey, Veda; Storey, Veda (Springer Berlin Heidelberg : Imprint: Springer, 2000)