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From Chen_1st <...@live.cn>
Subject Re: Two learning competitions that might be of interest for Mahout
Date Tue, 15 Feb 2011 17:42:10 GMT
again, Markus,

I am even more curious why the accurracy is used as the criteria for the
second track, is the dataset a balanced one with almost the same number of
positive and negative entries (for every user)?





2011/2/12 Markus Weimer <markus@weimo.de>

> Hi,
>
> go for it! I'd do it myself but the rules we wrote prohibit me from
> doing so ;-)
>
> Take care,
>
> Markus
>
> On 2/11/11 4:36 AM, Sean Owen wrote:
> > While I may not spend time trying to win the first one, I'd be happy
> > to run it through what we have so far and enter the results. It would
> > be an interesting benchmark.
> >
> > On Fri, Feb 11, 2011 at 12:26 PM, Isabel Drost <isabel@apache.org>
> wrote:
> >> http://www.kdd.org/kdd2011/kddcup.shtml
> >>> KDD-Cup 2011: Recommending Music Items based on the Yahoo! Music
> >>> Dataset We challenge participants to identify user tastes in music by
> >>> analyzing real ratings of Yahoo! Music anonymized users. The dataset
> >>> represents a snapshot of the community's preferences for various
> >>> musical items.
> >> http://www.heritagehealthprize.com/competition.php
> >>> The goal of the prize is to develop a predictive algorithm that can
> >>> identify patients who will be admitted to the hospital within the
> >>> next year, using historical claims data.
> >> Isabel
> >>
>
>

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