s peaker x u b o t ime 2011 9 7 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
S peaker : X u B o T ime : 2011/9/7 PowerPoint Presentation
Download Presentation
S peaker : X u B o T ime : 2011/9/7

play fullscreen
1 / 53

S peaker : X u B o T ime : 2011/9/7

112 Views Download Presentation
Download Presentation

S peaker : X u B o T ime : 2011/9/7

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Speaker:XuBo Time:2011/9/7

  2. Questions • How are people connected on Twitter? • Who are the most influential people? • What do people talk about? • How does information diffuse via retweet?

  3. Question 1 • How are people connected on Twitter? • # of followings/followers • Followers vs. Tweets • Reciprocity • Degree of Separation • Homophily

  4. Followers VS. Twitters

  5. Followers VS. Twitters

  6. Homophily

  7. Question 2 • Who are the most influential people? • Followers • PageRank • Retweets

  8. Kendall’s tau变种

  9. Question 3 • What do people talk about?

  10. Singleton, Reply, Mention, Retweet

  11. We consider a trending topic inactive if there is no tweet on the topic for 24 hours (a)73% topics have a single active period; 15% have 2; 5% have 3 (b)31% are 1 day long; only 7% longer than 10 days.

  12. On the number of tweets and their times

  13. Question 4 • How does information diffuse via retweet?

  14. Retweet Trees • We are now interested in how far and deep retweets travel in Twitter