Representation of human preference using folksonomy and the idea called concept

Hisaaki Yamaba, Michihito Tanoue, Kayoko Takatsuka, Naonobu Okazaki, Shigeyuki Tomita. Representation of human preference using folksonomy and the idea called concept. Artif. Life Robotics, 19(3):299-304, 2014. [doi]