I have found ItemAverageRecommender, what sounds interesting. However, it seems that I have to pass a userID which is used internally.
2010/7/26 Steven Bourke <[email protected]>: > Hi Matt, > > You could create a custom IDRescorer to return the top results to a user. > You'd have to specify under which circumstances to do so. > > Steve > On 26 Jul 2010, at 17:07, Matthias Böhmer wrote: > >> 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 >>>> >>> >> >> >> >> -- >> -- > > Steven Bourke > Clarity Centre for Sensor Web Technologies, > Science North, > School of Computer Science & Informatics, > University College Dublin. > > > > -- --
