BIS 2000 4th International Conference on Business Information Systems, Pozna?, Poland, 12–13 April 2000 Abramowicz Witold Heftet / 2000 / Engelsk
OOIS’97 1997 International Conference on Object Oriented Information Systems 10–12 November 1997, Brisbane Proceedings Orlowska Maria E. Heftet / 1997 / Engelsk
BIS ’99 3rd International Conference on Business Information Systems, Poznan, Poland 14-16 April 1999 Abramowicz Witold Heftet / 1999 / Engelsk
Web Services, E-Business, and the Semantic Web Second International Workshop, WES 2003, Klagenfurt, Austria, June 16-17, 2003, Revised Selected Papers Bussler Christoph Heftet / 2004 / Engelsk
Web Technologies and Applications 5th Asia-Pacific Web Conference, APWeb 2003, Xian, China, April 23-25, 2002, Proceedings Zhou Xiaofang Heftet / 2003 / Engelsk
Service-Oriented Computing -- ICSOC 2003 First International Conference, Trento, Italy, December 15-18, 2003, Proceedings Orlowska Maria E. Heftet / 2003 / Engelsk
Web Information Systems -- WISE 2004 5th International Conference on Web Information Systems Engineering, Brisbane, Australia, November 22-24, 2004, Proceedings Zhou Xiaofang Heftet / 2004 / Engelsk
Web Services, E-Business, and the Semantic Web CAiSE 2002 International Workshop, WES 2002, Toronto, Canada, May 27-28, 2002, Revised Papers Bussler Christoph Heftet / 2002 / Engelsk