Update SUBJ SOTA (sebastianruder#136)

Added 3 new papers for SUBJ dataset

Author: rktamplayo

english/sentiment_analysis.md

@@ -122,6 +122,9 @@ A related task to sentiment analysis is the subjectivity analysis with the goal
 
 | Model           | Accuracy |  Paper / Source |
 | ------------- | :-----:| --- |
+| AdaSent (Zhao et al., 2015) | 95.50 | [Self-Adaptive Hierarchical Sentence Model](https://arxiv.org/pdf/1504.05070.pdf) |
+| CNN+MCFA (Amplayo et al., 2018) | 94.80 | [Translations as Additional Contexts for Sentence Classification](https://arxiv.org/abs/1806.05516) |
+| Byte mLSTM (Radford et al., 2017) | 94.60 | [Learning to Generate Reviews and Discovering Sentiment](https://arxiv.org/pdf/1704.01444.pdf) |
 | USE (Cer et al., 2018) | 93.90 | [Universal Sentence Encoder](https://arxiv.org/pdf/1803.11175.pdf) |
 | Fast Dropout (Wang and Manning, 2013) | 93.60 | [Fast Dropout Training](http://proceedings.mlr.press/v28/wang13a.pdf) |