Blogs as User Based Social Networks for Learning: An Exploratory Study. - Aline M. Marques; Rafael Krejci; Sean W. M. Siqueira; Mariano Gomes Pimentel; Maria Helena Lima Baptista Braz (WSKS, 2011)

YouFlow Microblog: Following Discussions on an Educational Microblog. - Rafael Krejci; Sean W. M. Siqueira (ICALT, 2013)

Structuring the discourse on social networks for learning: Case studies on blogs and microblogs. - Aline M. Marques; Rafael Krejci; Sean W. M. Siqueira; Mariano Gomes Pimentel; Maria Helena Lima Baptista Braz (Comput. Hum. Behav., 2013)

YouFlow Microblog: Improving learning with the tree discourse structure and lesson plan-based messages categorization. - Rafael Krejci; Sean Wolfgand Matsui Siqueira (Interact. Technol. Smart Educ., 2014)