Strategies for Harnessing the Collective Intelligence of Cultural Institutions’ Communities - Considerations on Supporting Heterogeneous Groups in Content Production Taking the Quality Factor into Consideration Topics: Collaborative Learning; Community Building; Theoretical Bases of E-Learning Environments; Web 2.0 and Social Computing for Learning and Knowledge Sharing In Proceedings of the 6th International Conference on Computer Supported Education - Volume 1: CSEDU, 80-86, 2014 , Barcelona, Spain