Valdemar Vicente Graciano Neto, Renata Araujo, and Rodrigo Pereira dos Santos. 2017. New Challenges in the Social Web: Towards Systems-of-Information Systems Ecosystems. In Proceedings of the 8th Workshop on Aspects of Human-Computer Interaction for the Social Web, December 26, 2017, Joinville, Brasil. SBC, Porto Alegre, Brasil, 1-12.