Can't decide what movie to watch tonight? Let grid computing choose for you. Check out the movie-choosing demonstration, presented by Leandro NEUMANN CIUFFO of INFN - http://www.youtube.com/watch?v=bxwdiC5yIKI The demo was presented as part of the Enabling Grids for E-sciencE (EGEE) User Forum in Catania. More on EGEE at http://www.eu-egee.org/

1. Can I Recommend a movie for you? Now, on this booth! Get movie recommendations using the Grid

2. Using Grids to support Recommender Systems DEMO

3. www.canalcinefilia.com.br

4. www.canalcinefilia.com.br - rating movies

5. MySQL www

6. User’s profile

7. Recommender system Algorithm

8. User’s profile

9. Rating Matrix 390 users X 900 movies ~ 351,000 comparisons per user

10. User’s neighborhood 0.9 0.8 0.7 0.6 0.5 0.4 0.3 1 Pearson Correlation -1 < r < 1

11. Will the user enjoy the movie “Yes Man” ? Generating the recommendations User’s neighborhood This repeats for every movie not rated 0.9 0.8 0.6 0.4 0.3 Weighted mean Rating Prediction generated

12. Implementation on the Grid

13. MySQL www

14. Grid UI .JDL LFC

15. SE SE

16. Grid UI Input sandbox Recommender.class Start.sh mdclient.config

17. Grid UI WMS

18. CE 1 CE 2 CE n WN WN WN SE SE

19. Version I

20. CE 1 CE 2 CE n WN WN WN .SQL .SQL .SQL .SQL .SQL .SQL .SQL .SQL .SQL

21. Grid UI WMS Output sandbox .SQL .SQL .SQL

22. MySQL www

23. Version II

24. CE 1 CE 2 CE n WN WN WN AMGA

25. MySQL www

26. Version III (future work)

27. CE 1 CE 2 CE n WN WN WN GRelC API GRelC API GRelC API

28. MySQL www

29. The End Thank you! [email_address] http://applications.eu-eela.eu/application_details.php?ID=59