Takashi Onoda Norihiko Ito Hironobu Yamasaki Unusual condition monitoring based on support vector machines for hydroelectric power plants. 2254-2261 2008 IEEE Congress on Evolutionary Computation http://dx.doi.org/10.1109/CEC.2008.4631098 conf/cec/2008 db/conf/cec/cec2008.html#OnodaIY08