Computational Science and Its Applications -- ICCSA 2015: 15th International Conference, Banff, AB, Canada, June 22-25, 2015, Proceedings, Part I - Gervasi; Apduhan, Bernady O.; Gavrilova, Marina L.; Misra, Sanjay; Murgante, Beniamino; Rocha, Ana Maria Alves Coutinho; Taniar, David; Torre, Carmelo (Springer International Publishing, 2015)