Information propagation in Microblogging Sites
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Presentation done at the IR11 Conference, Gothenburg Sweden.
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Information propagation in Microblogging Sites
- 1. IR11 | Gothenburg Propagation paths of Information in Social Network Sites SIGSNA research project Luca Rossi – University of Urbino “Carlo Bo” luca.rossi@uniurb.it
- 4. IR11 | Gothenburg What is propagation in Friendfeed?
- 5. IR11 | Gothenburg data All public entries (post and related comments) (Sept. 6 –Sept. 19 2009) ≃ 10.500.000 posts 500.000 likes.≃ 450.000 users.≃ 15.000.000 di archi (subs).≃
- 6. IR11 | Gothenburg Data 196.350 Italian posts Language Fidelity Index: Number of Posts in a Language / Number of Posts of users with an entry in that language.
- 7. IR11 | Gothenburg case study: propagation Mike Bongiorno (famous Italian TV host) died on Sept. 8 2010. The news appears in Friendfeed at 01.57 PM: - First entry 130 comments - All entries 585 comments
- 9. IR11 | Gothenburg Using timestamps and network of followers we have been able to track the propagation paths identifying major hubs.
- 10. IR11 | Gothenburg Long propagation chains No propagation Short propagation chains
- 14. IR11 | Gothenburg Explicit news sharing is followed by chatting and discussion. This kind of activity contribute to news propagation ” Bye Mike! We’re missing you! Bye granpa Mike! Mike, you’ve been a milestone of our TV “ - Explicit news propagation. - Implicit news propagation. - Mourning ritual of the networked public.
- 15. IR11 | Gothenburg tec nettec net real netreal net edges 14,946,610 161,603 followers 44 13 Some connections are more connections than others When a connection is not enough.
- 16. IR11 | Gothenburg First entry has the highest informative function Most commented entry is a long and articulated discussion
- 17. IR11 | Gothenburg Mass media system 2.0 ? Friendfeed Major Italian Newspapers (Il Corriere della Sera, La Repubblica)
- 18. IR11 | Gothenburg Mass media system 2.0 ? When the news hit the Friendfeed network only SkyTg24 was broadcasting it. The selection code is up to the end user and he decides whenever a specific information is informative.
- 19. IR11 | Gothenburg Mass media system 2.0 ? Is the evolution of news/chat that we have detected similar to couple news/reportage?
- 20. IR11 | Gothenburg More info, papers and data: http://larica.uniurb.it/sigsna SIGSNA is a joint research project with the department of Computer Science of the University of Bologna (Dr. Matteo Magnani) and it is partially founded by Telecom Italia.