1. Game for acquisition of multimedia semantics Martin Polakovi č Ing. Jakub Šimko PhD.

3. We like homogeneity

5. Publisher vs. Consumer

6. Sea of Heterogeneity

7. Metadata -Data about data -Heterogeneous space -> homogeneous space -Machine’s eyes OWL

8. Metadata acquisition <- Machine driven Crowd driven -> <- Expert driven

9. Crowdsourcing & carrots - Likes doing things -Needs motivation -Loves games

10. GWAP -Problem -> game -Player plays game -Dumps data -We collect data

11. Our work = GWAP GAME -Multiplayer board game PURPOSE - Finding similar images

12. Board image board 3x3 1 image domain player swaps images points for match with 2 nd player

14. Reaching an agreement two players placing same image similarly

15. Locked image immovable no points starting points hint at image distribution

16. Ideal board state Determined by image characteristics Players strive to achieve Approximated during gameplay Game logs

18. Domain… any ideas?

19. Next ? Prototype finish Closed experiment Open experiment

20. Thx & all… See you next time

21. Martin Polakovic xpolakovic@is.stuba.sk