Empirical Business Models. - Jon Espen Ingvaldsen; Jon Atle Gulla; Ole Andreas Hegle; Atle Prange (CAiSE Short Paper Proceedings, 2005)

Revealing the Real Business Flows from Enterprise Systems Transactions. - Jon Espen Ingvaldsen; Jon Atle Gulla; Ole Andreas Hegle; Atle Prange (ICEIS (3), 2005)