Yeah if something is to good to be true... ! I didn't notice anything particularly different about the item based approach over the user based.
Are there functions built into mahout so I can check how dense / sparse the user,item matrix is? Steven Bourke Clarity Centre for Sensor Web Technologies, Science North, School of Computer Science & Informatics, University College Dublin. On 6 Feb 2011, at 17:35, Sean Owen wrote: > I don't know of anything of particular significance. Good results are good, > but, too good suggests a target leak or something. > > On Sun, Feb 6, 2011 at 5:15 PM, Steven Bourke <steven.bou...@ucd.ie> wrote: > >> Has anyone used the boolean pref item recommender from 0.5 snapshot? I was >> wondering if there is any other work being carried out on it ? I couldn't >> find anything in the JIRA system. >> >> I ask because I ran it on some data as a comparison and got surprisingly >> good results when running evaluations against it. >> >>
