| covid_theme | keywords relating to COVID-19 pandemics |
| debate_dtd | Comments on a video of a political debate. |
| opi_impact | Statistical assessment of impacts of a specified theme from a DTD. |
| opi_score | Opinion score of a digital text document (DTD) |
| opi_sim | Simulates the opinion expectation distribution of a digital text document. |
| osd_data | Observed sentiment document (OSD). |
| policing_dtd | Twitter posts on police/policing |
| refreshment_theme | Keywords relating to facilities at train stations |
| reviews_dtd | Customer reviews from tripadvisor website |
| signage_theme | Keywords relating to signages at train stations |
| tweets | Fake Twitter posts on police/policing 2 |
| word_distrib | Words Distribution |
| word_imp | Importance of words (terms) embedded in a text document |