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From Jason Rutherglen <jason.rutherg...@gmail.com>
Subject Re: Memory and Speed Questions for Item-Based-Recommender
Date Fri, 10 Jul 2009 19:48:13 GMT
Is there an example of this (using Lucene to store item-item links in
Lucene) in Mahout?  Sounds interesting.

On Fri, Jul 10, 2009 at 11:35 AM, Ted Dunning <ted.dunning@gmail.com> wrote:

> Storing the item-item links in Lucene and forming a query with recent
> history is a pretty easy way to get real-time recommendations.  This can
> also get rid of the cache because standard measures applied to make Lucene
> fast will work on this.
>
> On Fri, Jul 10, 2009 at 5:34 AM, Sean Owen <srowen@gmail.com> wrote:
>
> > Also, it sounds like you are trying to do real-time recommendations,
> > like synchronously with a user request. This can be hard since it
> > imposes such a tight time limit. Consider doing recommendations
> > asynchronously if you can. For example, start computing
> > recommendations when the user logs in, and maybe on the 2nd page view
> > 5 seconds later, you are ready to recommend something.
> >
>

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