@inproceedings{DBLP:conf/er/EvermannW01, author = {Joerg Evermann and Yair Wand}, title = {Towards Ontologically Based Semantics for UML Constructs}, booktitle = {ER}, year = {2001}, pages = {354-367}, ee = {http://dx.doi.org/10.1007/3-540-45581-7_27}, crossref = {DBLP:conf/er/2001}, bibsource = {DBLP, http://dblp.uni-trier.de} } @proceedings{DBLP:conf/er/2001, editor = {Hideko S. Kunii and Sushil Jajodia and Arne S{\o}lvberg}, title = {Conceptual Modeling - ER 2001, 20th International Conference on Conceptual Modeling, Yokohama, Japan, November 27-30, 2001, Proceedings}, booktitle = {ER}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, volume = {2224}, year = {2001}, isbn = {3-540-42866-6}, bibsource = {DBLP, http://dblp.uni-trier.de} }