CHARM Pad: Ontology-Based Tool for Learning Systematic Knowledge about Nursing. - Munehiko Sasajima; Satoshi Nishimura; Yoshinobu Kitamura; Akemi Hirao; Kanetoshi Hattori; Akemi Nakamura; Hiroe Takahashi; Yoshiyuki Takaoka; Riichiro Mizoguchi (HCI (12), 2013)