Conceptual Modeling for New Information Systems Technologies: ER 2001 Workshops, HUMACS, DASWIS, ECOMO, and DAMA, Yokohama Japan, November 27-30, 2001. Revised Papers

The objective of the workshops associated with ER 2001, the 20th International Con— rence on Conceptual Modeling, was to give participants the opportunity to present and discuss emerging hot topics, thus adding new perspectives to conceptual modeling. This, the 20th ER conference, the first of the 21st century, was also the first one in Japan. The conference was held on November 27—30, 2001 at Yokohama National University with 192 participants from 31 countries. ER 2001 encompasses the enti...