Warm social metrics

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Presentation done at the Workshop on Advanced Research Methods, Sep. 30th Unversity of Urbino

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  • Warm social metrics

    1. 1. Beyond network structure: new social metrics for online conversations. part of the SIGSNA RESEARCH PROJECT Luca Rossi, University of Urbino “Carlo Bo”
    2. 2. How to map information propagation in SNS (FriendFeed)?
    3. 3. Interaction leads to propagation
    4. 4. Interaction leads to propagation
    5. 5. propagation happens through unstable connections: foaf or #hashtag
    6. 6. mike bongiorno Died on Sept. 8 2009. The news appears in Friendfeed at 01.57 PM: - First entry 130 comments - All entries 585 comments
    7. 7. ONE Topic: many propagation paths
    8. 8. first entry ≠ most commented entry
    9. 9. first entry ≠ most commented entry
    10. 10. first entry ≠ most commented entry
    11. 11. Mike passed away!
    12. 12. Mike passed away! How has television changed?
    13. 13. Mike passed away! Why do we call Mike grandpa while we don’t care about our biological grandfathers? How has television changed?
    14. 14. Mike passed away! Why do we call Mike grandpa while we don’t care about our biological grandfathers? Bye Mike! We’re missing you! Bye granpa Mike! Mike, you’ve been a milestone of our TV How has television changed?
    15. 15. technical affordances propagation = + social practices
    16. 16. avg (entries/comments) Global data 0.147902263 Italian 1.230496784 data Multimedia 0.432728179
    17. 17. is it possible to have social metrics?
    18. 18. sna measures: } Degree Distribution Conected components Shortest path Based on the network structure Clustering Betweenness e Closeness Centrality
    19. 19. beta social metrics: } User’s network use Conversation index Based on users social activities Out of Network Conversation Language fidelity Index
    20. 20. social metrics: beta User’s network use Conversation index Out of Network Conversation Language fidelity Index tec net real net 15 edges 14,946,610 161.603 10 hidden/technical followers 44 13 Some connections are more 5 0 connections than others 0 2000 4000 6000 8000 10000 Index
    21. 21. social metrics: beta User’s network use Conversation index Out of Network Conversation Language fidelity Index
    22. 22. social metrics: beta User’s network use Conversation index Out of Network Conversation Language fidelity Index lrossi following 117 users following 117 users avg 0.0451770451770452. avg 0.00326599681853791 lrossi > user 1 lrossi > user 0.857142857142857 lrossi > user 0.714285714285714 lrossi > user 0.571428571428571 lrossi > user 0.428571428571429 lrossi > user 0.285714285714286 lrossi > user 0.285714285714286 lrossi > user 0.285714285714286 lrossi > user 0.142857142857143 lrossi > user 0.142857142857143 lrossi > user 0.142857142857143 lrossi > user 0.142857142857143 lrossi > user 0.142857142857143 lrossi > user 0.142857142857143
    23. 23. social metrics: beta User’s network use Conversation index Out of Network Conversation Language fidelity Index Broadcasting or chatting?
    24. 24. social metrics: beta User’s network use Conversation index Out of Network Conversation Language fidelity Index kurai pbeneforti kurai pbeneforti
    25. 25. social metrics: beta User’s network use Conversation index Out of Network Conversation Language fidelity Index definition: the average level of posting in different languages for every user that posted, at least once, in a specific language.
    26. 26. more info: http://larica.uniurb.it/sigsna Luca Rossi - luca.rossi@uniurb.it Matteo Magnani - matteo.magnani@cs.unibo.it

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