“…[8,24]), or even the use of capital letters as a way to convey a strong emotion, also addressing the implementation and performance of the algorithms for online recognition. Finally, on an important note, the inclusion of neutral and positive emotions should be considered, extending the representation of the users' cognitive-states for a better understanding and prediction of their consumer behavior, also allowing to compare the generality and relative performance of the proposed methodology with other databases and the different approaches to sentiment recognition found in literature [2,3,15,16,20].…”