PT Journal AU Nodenot, T Gaio, M Sallaberry, C Lopistéguy, P TI Towards an Open Source Framework for Collaborative Problem-Based Learning Environments SO eleed PY 2005 VL 1 IS 1 DE Electronic Documents; Enterprise Java Open Source Architecture (EJOSA); Java; OpenUSS; Problem-Based Learning; UML; XML; e-learning AB This paper presents our research works in the domain of Collaborative Environments centred on Problem Based Learning (PBL) and taking advantage of existing Electronic Documents. We first present the modelling and engineering problems that we want to address; then we discuss technological issues of such a research particularly the use of OpenUSS and of the Enterprise Java Open Source Architecture (EJOSA) to implement such collaborative PBL environments. ER