Table 1 Structured processing method for sentiment polarity of subjective evaluations in EVs.
Evaluation type | Frequency | Scoring | Satisfaction |
---|---|---|---|
Positive evaluation | 1 | 2 | Satisfied |
2 | 4 | Quite satisfied | |
≥3 | 6 | Very satisfied | |
Neutral or unassessed evaluation | N/A | 0 | Neutral |
Negative evaluation | 1 | –2 | Dissatisfied |
2 | –4 | Quite dissatisfied | |
≥3 | –6 | Very dissatisfied |