Research Article
Deep Learning-Based Methods for Sentiment Analysis on Nepali COVID-19-Related Tweets
Table 1
Summary performance (%) of sentiment classification of some state-of-the-art methods on tweets.
| Method | Dataset | Accuracy (%) | Methodology | Limitations |
| Basir et al. [8] | StanfordSentiment140 [8] | 85.4 | (i) Stacked ensemble method | (i) Ignore the effects of global COVID-19 news on sentiment analysis beside the specific country | Rustam et al. [7] | Covid-19Tweets [20] | 93.0 | (ii) BoW with various ML methods | (ii) Limited performance on small datasets | Aljameel et al. [14] | Self-created dataset | 85.0 | (iii) N-gram with various ML methods | (iii) Feature selection and hyperparameter tuning operation is not performed | Ramya et al. [21] | Self-created dataset | 91.0 | (iv) Naive Bayes | (iv) Experimented with a limited data | Naseem et al. [5] | COVIDSenti [5] | 92.2 | (v) ML methods such as Naive Bayes, support vector machine, and random forest | (v) Limited to English tweets | Satu et al. [10] | Covid-19Tweets [20] | 98.8 | (vi) Cluster-based classification | (vi) Tweets search limited to a few keywords in English text |
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