Semantic Technology 4th Joint International Conference, JIST 2014, Chiang Mai, Thailand, November 9-11, 2014. Revised Selected Papers - Supnithi, Thepchai; Yamaguchi, Takahira; Pan, Jeff Z.; Wuwongse, Vilas; Buranarach, Marut (Springer International Publishing : Imprint: Springer, 2015)