Does Mahout provide some functionality to recommend the most propular items?
2010/7/23 Sean Owen <[email protected]>: > Try to recommend, and catch NoSuchUserException. > If you have no data at all for a user, there's no way to make > recommendations since you know nothing about the user at all. However > in this case you typically "recommend" a selection of most popular > items to start. > > 2010/7/23 Matthias Böhmer <[email protected]>: >> Hello, >> >> how can I find out, if a userID is already available inside a >> DataModel? I am trying to find out if the rating data of a user is >> already known within a data model, that is updated periodically. If >> the user is not available inside the data model, I then want do treat >> him as an anonymous user. And: how can I give recommendations to a >> new, i.e. anonymous, user if I have no values for preferences. I think >> the API requires me to set preferences. >> >> Best regards, >> Matthias >> > -- --
