Table 1.
Initial set of keywords for each query.
Table 2.
Tweets extracted from our corpus after applying the enriched queries.
Table 3.
Initial set of keywords for q0 query.
Fig 1.
Absolute positions of the Chilean media.
The chart shows the position of the outlets for which we were able to answer at least one question. Dark dots represent 26 news outlets who had relevant tweets for at least four questions per dimension (the 26ers). The solid red dot shows the average position of the 26ers. 1. adnradiochile, 2. biobio, 3. cooperativa, 4. latercera, 5. mercuriovalpo, 6. publimetrochile, 7. emol, 8. soyarauco, 9 soyconcepcion, 10. soycoronel, 11. soyquillota, 12. soysanantonio, 13. soytalcahuano, 14 soytome, 15. dfinanciero, 16. el_ciudadano, 17. elmostrador, 18. tele13_radio, 19. el_dinamo, 20. nacioncl, 21. pinguinodiario, 22. soychillan, 23. soycopiapo, 24. soyvaldiviacl, 25. soyvalparaiso, 26. t13.
Table 4.
Perceived bias of the 26ers extracted from Wikipedia.
Fig 2.
Relative position of the 26ers.
The dots represent the relative positions obtained by normalizing the PolQuiz scores. The blue dot shows the average for relative positions. Diamonds represent the score on each dimension as the average over 20 repetitions, leaving out each time a random 5% of the documents. The gray circles around diamonds are the 95% confidence interval.
Fig 3.
Scores before and after replacing q3 by q0.
These are the scores of news outlets for which we were able to answer at least one question in the corresponding dimension.
Fig 4.
Relative position of the 26ers.
Dots represent the scores with q3. Diamonds represent the scores with q0.
Fig 5.
Absolute positions of the Chilean media during the right-wing/conservative government.
The chart shows the position of the outlets for which we were able to answer at least one question. Dark dots represent the 26ers subset. The solid red dot shows the average position for the 26ers.
Fig 6.
Shift in the position of the 26ers for the economic dimension.
The chart shows the relative shift in points from the conservative to the liberal government. A shift > 0 (red bars) means more to the right. A shift < 0 (blue bars) means more to the left left.
Fig 7.
Shift in the position of the 26ers for the personal dimension.
The chart shows the relative shift in points from the conservative to the liberal government. A shift > 0 (yellow bars) means more liberal. A shift < 0 (green bars) means more conservative.
Table 5.
Results from popular survey for the 26ers.
Fig 8.
Counting tweets and re-tweets for q7 under president Bachelet.