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From Sean Owen <>
Subject Re: Re: Precomputation
Date Sat, 03 Jul 2010 18:03:00 GMT
That's reasonably large. How many rows are in the ratings table? If
it's more than about 100M I think you will need distributed
approaches, which are necessarily offline. So that would answer that

2010/7/3 Young <>:
> Thanks for your reply. There are about 1 million items in these website and now the users
are expected to be 100,000. Is there any problem if I do not do any pre-computation?

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