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?
>The simplest thing to do is compute on-line, in real time, unless you >have a reason to do something harder and more complex. And that reason >would probably be scale. How big are we talking? > >There are some links here: >https://cwiki.apache.org/confluence/display/MAHOUT/Recommender+Documentation > >though they may not pertain to the question of doing it online or offline. > >2010/7/3 Young <[email protected]>: >> Hi all, >> I am currently working on building a recommendation engine for one business >> website. I am holding 3 tables, --"favorite items table", "rated items >> table" and "purchased items tables". >> I want to give recommendations based on browsing history. I am new to this >> field and I do not know which should I pre-compute offline and which should >> be computed online. >> Could someone give me some suggestions or any papers? >> >> Thanks very much. >> --Young
