Affiliation: | 1. Dpto. de Inteligencia Artificial, Escuela Técnica Superior de Ingeniería Informática, Universidad Nacional de Educación a Distancia, 28040 Madrid, Spain;2. Instituto de Investigación en Informática de Albacete, Universidad de Castilla-La Mancha, 02071 Albacete, Spain;1. School of Information Technology, Deakin University, Melbourne, Australia;2. School of Computer Science and Software Engineering, University of Wollongong, Wollongong, Australia;1. University of Illinois at Urbana-Champaign, 201 N. Goodwin Avenue, Urbana, IL 61801, USA;2. Inha University, 1103 High-tech Center, Yonghyun-dong 253, Nam-gu, Incheon, Republic of Korea;3. Samsung Research America - Silicon Valley, 75 West Plumeria Drive, San Jose, CA 95134, USA |