Research Article
Aspect-Level Sentiment Analysis Approach via BERT and Aspect Feature Location Model
Table 2
The used symbols and their description.
| Symbols | Description |
| | The comment sentence | | The aspect vocabulary | | The number of categories of sentiment polarity | | The length of aspect words | | The th alternative sentiment polarity | | The context representation | | The aspect representation | | The long-term dependent information of the context | | The context-aware information to aspect word | | The important features of aspect word | | The final interaction hidden state of a context interaction | | The final interaction hidden state of context and aspect words | | The attention score function | | The energy function |
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