Table 2.

Summary of related works on SA

StudyLanguageaDatabLSPAlgorithmcNr classesData size
Pang et al.ENGIMDbXN-gram+NB, N-gram+SVM, N-gram+ME316K rev
Blitzer et al.ENGAmSCL28K rev
Bolleaga et al.ENGAmXXFE+L1LR276K
Ortigiosa et al.SPFBXL, NB, J48, SVM23K
Dos Santos and GattiENGIMDb, TWWE+CNN, CE+CNN212K, 80 K
Kumar et al.AmNB,LR,SW2
Tripathy et al.ENGIMDbN-gram+NB, N-gram+SVM, N-gram+ME, N-gram SGD250K
Conneau et al.ENG, CHvarious*Ce+VDCNN2–1411M
Zola et al.ENG, ITAm, FB, TR, TWXXWe+NB, We+SVM, We+MLP, We+CNN2, 31.3M

Notes:

aLanguage – ENG: English; CH: Chinese; IT: Italian; and SP: Spanish

b

Data source type – Am: Amazon reviews; FB: Facebook; IMDb: movies reviews; TR: Tripadvisor reviews; and TW: Twitter

c

SA method – Ce: character embedding; CNN: convolutional neural network; FE: feature extraction; J48: decision tree; L: lexicon information; L1LR: L1 regularized logistic regression; LR: logistic regression; ME: maximum-entropy; MI: mutual information; NB: naive Bayes; SGD: stochastic gradient descent; SVM: support vector machine; SCL: structural correspondence learning; SW: SentiWordNet (Baccianella et al., 2010); VDCNN: very deep convolutional neural network; W2V: word to vec; and We: word embedding

*

The authors used different sources: news data, DBPedia, Yelp reviews, Yahoo Answer and Amazon reviews

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