Interactive books in augmented reality for mobile devices: a case study in the learning of geometric figures / Ana Grasielle Dionísio Corrêa -- ARIS: an open-source platform for widespread mobile augmented reality experimentation / Christopher L. Holden, David J. Gagnon, Breanne K. Litts, Garrett Smith -- Avatars in e- and u-learning / Raymond Szmigiel, Doris Lee -- Towards a small-scale model for ubiquitous learning / Jorge Luis Victória Barbosa, Débora Nice Ferrari Barbosa -- Building mobile social presence for u-learning / Chih-Hsiung Tu, Marina S. McIsaac, Laura E. Sujo-Montes, Shadow Armfield -- T-SCORM: An Extension of the SCORM standard to support the project of educational contents for t-learning / Francisco Miguel da Silva, Francisco Milton Mendes Neto, Aquiles Medeiros Filgueira Burlamaqui, João Phellipe Freitas Pinto, Carlos Evandro de Medeiros Fernandes, Rafael Castro de Souza -- Recommending academic papers for learning based on information filtering applied to mobile environments / Sílvio César Cazella, Jorge Luiz Victória Barbosa, Eliseo Berni Reategui, Patricia Alejandra Behar, Otavio Costa Acosta -- Ubiquitous technologies and the emergence of new learning experiences / Bruno de Sousa Monteiro, Alex Sandro Gomes -- The use of ubiquitous learning for children with down syndrome / Laura E. Sujo-Montes, Shadow W. J. Armfield, Cherng-Jyh Yen, Chih-Hsiung Tu -- CRS: a course recommender system / Kamal Taha -- Interactive storytelling and experiential learning: the prospect of "vertical narrativity" / Justin A. Wolske -- Accessibility in u-learning: standards, legislation, and future visions / Kleber Jacinto, Francisco Milton Mendes Neto, Cicília Raquel Maia Leite, Kempes Jacinto -- Ubiquitous multi-agent context-aware system for enhancing teaching-learning processes adapted to student profile / Demetrio Ovalle, Oscar Salazar, Néstor Duque -- A learning object recommendation system: affective-recommender / Adriano Pereira, Iara Augustin -- U-learning pedagogical management: cognitive processes and hypermediatic resources involved in web-based collaborative workspace / Jocelma Almeida Rios, Emanuel do Rosário Santos Nonato, Mary Valda Souza Sales, Tereza Kelly Gomes Carneiro.