2. Background:Growing availability of User Generated Content persistence/easy to search/scalability/ easy to replicate/(boyd 2007) High research value of spontaneously produced contents.
15. examples: ≠ Heidi: 1973 Top Model Heidi: 1974 Anime based on JohannaSpyri’snovel.
16. Querying the data Case study: SIGSNA research on breaking news propagation on Friendfeed Mike Bongiorno (famousItalian TV host) died on Sept. 8 2010. The news stroke Friendfeed at 01.57 PM:- First entry >130 comments - Allentries > 585 comments
23. Explicit news sharing is followed by chatting and discussion. This kind of activity contribute to news propagation “ Bye Mike! We’re missingyou!Bye granpa Mike! Mike, you’ve been a milestoneofour TV ”
24. First entry has the highest informative function Most commented entry is a long and articulated discussion
25. 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. MatteoMagnani) and it is partially founded by Telecom Italia.