Table 4 Top keywords under each topic in video reviews of LDA results.
No. | Top ten terms under each topic | |||
|---|---|---|---|---|
Topic 1: Main thoughts | Topic 2: Feelings of Chinese people | Topic 3: Focuses and interests of the public | Topic 4: Science-fiction works | |
1 | Space | Motherland | Rocket | Earth |
2 | truly | Heroes | Space | Authors |
3 | Musk | Aerospace | Launch | Liked |
4 | Come back | Space | Wealthy | Feeling |
5 | Mankind | Thumbs up | Airplane | Mars |
6 | Video | Technology | Experience | Feel like |
7 | Universe | Salute | Astronaut | Shenzhou |
8 | Hahaha | Universe | Sun | Love |
9 | Travel | Powerful | Going up to sky | Hour |
10 | Space station | Astronaut | Cheap | Light Speed |
