Affiliation: | 1. Department of Computer Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1081, 1081HV Amsterdam, The Netherlands;2. Departemento de Lenguajes y Sistemas Informticos, University of Seville, Avda. Reina Mercedes 41012, Sevilla, Spain;3. Department of Mathematics and Computer Science, Eindhoven University of Technology, PO Box 513, 5600MB Eindhoven, The Netherlands;1. School of Computer Science and Technology, Nanjing Normal University, China;2. Fraunhofer Institute for Intelligent Analysis and Information Systems, Germany;3. Northwest Branch, Research Institute of Exploration and Development, China |