Trialogical E-Learning and Emergent Knowledge Artifacts Yannis Tzitzikas (1,2) Vassilis Christophides (1,2) Giorgos Flouris (2) Dimitris Kotzinos (1,2) Hannu Markkanen (3) Dimitris Plexousakis (1,2) Nicolas Spyratos (4) 1 Computer Science Department, University of Crete, GREECE 2 Institute of Computer Science, FORTH-ICS, GREECE 3 EVTEK University of Applied Sciences, FINLAND 4 Laboratoire de Recherche en Informatique, Universite de Paris-Sud, FRANCE {tzitzik, christop, fgeo, kotzino}@ics.forth.gr, hannu.markkanen@evtek.fi, dp@ics.forth.gr, spyratos@lri.fr Abstract According to the recently emerged, trialogical learning (TL) paradigm, learners are collaboratively developing shared objects of activity in a systematic fashion. In this paper we propose a basic learning scenario according to the TL paradigm. With this scenario as gnomon, we elaborate the technical issues that are raised for supporting it and we propose a flexible novel method for defining various aspects of the group knowledge.