Table 2.
Previous studies investigating travelers’ evaluations by mining online reviews.
| Authors | Data Sources | Measurement approaches |
|
|---|---|---|---|
| Expectation/Importance | Perception/Performance | ||
| Hu and Trivedi (2020) | Tripadvisor | Frequency-based | Rating-based |
| Bi et al. (2019) | Tripadvisor | Frequency-based | Rating-based |
| Francesco and Roberta (2019) | Booking | Frequency-based | Rating-based |
| Liu et al. (2019) | Tripadvisor | Sentiment-based | |
| Yadav & Roychoudhury (2019) | Tripadvisor | Frequency-based | Sentiment-based |
| Antonio et al. (2018) | Tripadvisor & Booking | Frequency-based | Sentiment-based |
| Calheiros et al. (2017) | Websites & e-mails | Frequency-based | Sentiment-based |
| Krawczyk & Xiang (2016) | Expedia | Frequency-based | |
| Xu and Li (2016) | Booking | Frequency-based | |
| Chiu et al. (2015) | Wretch and Yahoo Blogs | Sentiment-based | |
| Hananto (2015) | Tripadvisor | Frequency-based | |
| Li et al. (2015) | Tripadvisor | Frequency-based | |
| Xiang et al. (2015) | Expedia | Frequency-based | |
| O'Connor (2010) | Tripadvisor | Frequency-based | |
| Stringam & Gerdes (2010) | Expedia | Frequency-based | |