IEEE Intelligent Systems
IEEE Intelligent Systems > 2009 > 24 > 5 > 64 - 86
IEEE Intelligent Systems > 2009 > 24 > 5 > 14 - 19
IEEE Intelligent Systems > 2009 > 24 > 5 > 42 - 52
IEEE Intelligent Systems > 2009 > 24 > 5 > 64 - 86
IEEE Intelligent Systems > 2009 > 24 > 5 > 14 - 19
IEEE Intelligent Systems > 2009 > 24 > 5 > 42 - 52