Table 1 The description of each variable.
| Â | Variable | Abbreviation | Description |
|---|---|---|---|
Quantitative | The number of video plays | Play | Play is an important measure of how widely a video is spreading, indicating how many people clicked and watched the video. |
The number of video share | Share | Share indicates how many people shared the video for others to watch. A higher Share means that the video is transmitted more widely. | |
The number of video likes | Like | Like indicates how much viewers like the video. A high number of likes indicates that the video is recognized and liked by the audience. | |
The number of video coins | Coin | Coin is a characteristic evaluation index of Bilibili, which can indicate the audience’s support for the video, and at the same time is linked to the economic benefits of the video blogger to a certain extent. On Bilibili, viewers can support their favorite video creators by dropping coins. | |
The number of video collection | Collect | Collect indicates how much viewers love a video and their long-term interest in its content. A high collection means that the depth of the video is more influential. | |
The number of video bullet comments | Bullet_Comment | Bullet_Comment indicates how well viewers interact with the specific content of the video in real-time. A higher number of barrages means that viewers are more likely to discuss and engage with specific content in the video. | |
The number of video comments | Comment | The comment indicates how engaged and interested viewers are in the entire video. A higher number of comments means more discussion and feedback on the content of the video. | |
The number of fans of video authors | Fans | Fans indicate how many people have subscribed to the video publisher’s channel, demonstrating the author’s influence. | |
Qualitative | The type of video author | AT | Based on the characteristics of the platform, AT is divided into 3 categories: 1—ordinary users, 2—professional users, and 3—institutional users. |
The type of video submission | VT | VT was streamlined in Bilibili’s original video classification mechanism, divided into 3 categories: 1—film and television, 2—music, 3—other | |
The highest definition of the video | HD | HD is divided into 3 categories: 1–360 P&480 P, 2–720 P, 3–1080 P&4 K. | |
The tone of the video title, | VTT | VTT is divided into 2 categories: 1—general declarative tone, 2—other special tones. | |
The style of the video title | VTST | VTST is divided into 2 categories: 1—written style, 2—spoken style | |
Whether the video has subtitles | ST | ST is divided into 2 categories: 1—with subtitles, 2—without subtitles | |
Whether the video has hashtags | T | Topic is a function of Bilibili, mainly for a publisher to choose whether to attach the corresponding topic tag, the hashtag is generally presented according to the real-time hot spot, and click the hashtag to watch other videos with this hashtag. T is divided into two categories: 1—with T, 2—without T | |
Whether the video has channel tags | CL | The function of a channel is similar to a topic, but unlike a topic, a channel is a long-standing subdivided content community, different channels only publish relevant content of the channel for a long time, and authors can choose whether to submit to the corresponding channel. CL is divided into two categories: 1—with CL, 2—without CL. | |
Video duration type | TQ | The video duration type is the total duration of the video, which is divided into two categories: 1–10 min or less, 2–10 min or more |
