Will this user enjoy the movie “Yes Man” ?
0.9 0.8 0.6 0.4 0.3
User’s neighborhood Prediction
A movie must be rated by
This repeats for every movie not rated
at least 8 neighbors
Grid INFN Laboratory for Dissemination Activities
Grid test-bed for training
A „standard‟ t-Infrastructure adopted by
Users can practice prior to run their codes
on the production e-Infrastructures
~ 11 sites - 285 CPUs *
(*) # of Sites may change in time
they are managed on a “best effort” basis
E-science grid facility for Europe and Latin America
Co-funded by EC (FP7)
~ 5800 CPUs
Run experiments using the Netflix prize database
Create a new version using the Amazon EC2
Provide performance comparisons among
EELA (gLite) X OurGrid X Amazon EC2
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