1. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 1 Communities - Twitter

2. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 2 Agenda  What is Twitter?  The community  Everything about information  Just a hype?

3. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 3 Agenda  What is Twitter?  The community  Everything about information  Just a hype?

4. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 4 Some Facts  Founded 2006 in San Francisco, California, USA  More than 5 million users (december 2008)‏  US$ 57 million venture capital  2 languages supported

5. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 5 Home

6. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 6 A twitter profil

7. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 7 The possibilities with Twitter

8. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 8 Agenda  What is Twitter?  The community  Everything about information  Just a hype?

9. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 9 My experience  Unfortunately not that much interaction  Primary used for self-promotion  Partial really high quality tweets  „Must have more followers“

10. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 10 Agenda  What is Twitter?  The community  Everything about information  Just a hype?

11. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 11 The information  Information spreads real fast (Kim Kardashian‘s sunburn, is Patrick Swayze dead? etc.)‏  Insider information (Election of the federal president)‏  Statements (#Zensursula)‏  Specific marketing (Starbucks)‏

12. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 12 The API  Requests entirely HTTP based  Supported formats: XML, JSON, and the RSS and Atom syndication format  100 API requests per hour  1,000 total updates etc. per day

13. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 13 Libraries

14. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 14 Agenda  What is Twitter?  The community  Everything about information  Just a hype?

15. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 15 The whole world tweets  Follower-racing between Ashton and BBC  TV shows  Best tweets collected in a book

16. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 16 Only a hype? Pros  Still no profit  A lot of nonsense-tweets  Only self-promotion Cons  No real competitors (Plurk, Jaiku, Identi.ca)‏  Filtering information by (de)selecting followings  Twitter is good for…  Getting insider information  High quality information (with the right followings)‏  Getting information fast  Getting everything!?

17. 09.06.09 | Computer Science Department | Ubiquitous Knowledge Processing Lab | © Prof. Dr. Iryna Gurevych | 17 The end… Any questions?