A new approach to qualitative learning in time series.

Luis González Abril Francisco Velasco Juan Antonio Ortega Francisco Javier Cuberos A new approach to qualitative learning in time series. 9924-9927 2009 36 Expert Syst. Appl. 6 http://dx.doi.org/10.1016/j.eswa.2009.01.066 db/journals/eswa/eswa36.html#AbrilVOC09