Research Article

Aspect-Level Sentiment Analysis Approach via BERT and Aspect Feature Location Model

Table 2

The used symbols and their description.

SymbolsDescription

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