A Deep Learning System for Sentiment Analysis of Service Calls
Table 2: Binary classification of sentiment polarity on both linguistic and acoustic modalities.
['Methods', 'Ensemble Text', 'Ensemble Audio', 'Ensemble T+A', 'Fusion Fus1', 'Fusion Fus2']
We simply combine results of the three semantic knowledge based classifiers and all the five audio classifiers by taking the weighted majority vote.