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max_synsets(abs(sentiwordnet_Pos(w)-sentiwordnet_Neg(w))) < 0.2
* the final score is the most polarizing difference in a synset and map it to [0,1]
score_sentiwordnet(w) = 0.5*max_synsets(sentiwordnet_Pos(w)-sentiwordnet_Neg(w))+0.5
*score_sentiwordnet(w) = 0.5 max_synsets(sentiwordnet_Pos(w)-sentiwordnet_Neg(w))+0.5*

h5. MPQA processing:
The dataset is annotated with positive, negative and neutral, without probabilities. We assigned:
positive, score = 1
negative, score = 0
neutral, score = 0.5
w positive, *core_MPQA(w) = 1*
w negative, *score_MPQA(w) = 0*
w neutral, *score_MPQA(w) = 0.5*

h5. IMDB processing:
We obtain probabilities from counts as follows:

*score_IMDB = P(positive|w) = count(w in positive documents) / count(w in documents)*
P(negative|w) = count(w in negative documents) / count(w in documents)

Aggregation into one score: