Hyperknowledge in Practice - Users' Attitudes to Active DSS. - Pirkko Walden; Christer Carlsson; Ossi Kokkonen (HICSS (5), 1997)

On the Improvement of Strategic Investment Decisions and Active Decision Support Systems. - Christer Carlsson; Ossi Kokkonen; Pirkko Walden (HICSS, 1999)