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From Jack Tanner <i...@hotmail.com>
Subject RE: taste-web example booboo
Date Thu, 28 May 2009 16:14:50 GMT

Here's ratings*

$ cd mahout-0.1
$ find . -name "ratings*" -exec ls -alF '{}' \;
-rw-rw-r-- 1 luser luser 24594131 2009-05-27 13:44 ./taste-web/target/mahout-taste-webapp-0.1/WEB-INF/classes/org/apache/mahout/cf/taste/ratings.dat
-rw-rw-r-- 1 luser luser 24594131 2009-05-27 13:44 ./taste-web/target/classes/org/apache/mahout/cf/taste/ratings.dat
-rw-rw-r-- 1 luser luser 24594131 2009-05-27 13:44 ./taste-web/target/work/webapp/WEB-INF/classes/org/apache/mahout/cf/taste/ratings.dat
lrwxrwxrwx 1 luser luser 108 2009-05-27 14:37 ./taste-web/src/main/resources/org/apache/mahout/cf/taste/ratings.dat
-> /home/luser/tmp/mahout-0.1/taste-web/src/main/java/org/apache/mahout/cf/taste/example/grouplens/ratings.dat
-rw-rw---- 1 luser luser 24594131 2003-02-28 16:53 ./taste-web/src/main/java/org/apache/mahout/cf/taste/example/grouplens/ratings.dat


----------------------------------------
> Date: Thu, 28 May 2009 15:40:31 +0100
> Subject: Re: RE: taste-web example booboo
> From: srowen@gmail.com
> To: mahout-user@lucene.apache.org
>
> OK I will go back to review that documentation to check if there is a
> problem.
>
> You should not need users.dat.
>
> This may sound like an odd question but are there any other files in the
> directory that start with 'ratings' - if so you may be running afoul of a
> 'feature' I added.
>
> On May 28, 2009 3:32 PM, "Jack Tanner"  wrote:
>
>
> Sean, Grant,
>
> I'm happy to provide the code that creates the DataModel if you can tell me
> exactly what files to send. But I followed
> http://lucene.apache.org/mahout/taste.html#demo pretty literally (one
> exception, below), so whatever that code is should be exactly what those
> instructions intend.
>
> The exception is that those instructions specified that the GroupLens
> ratings.dat and movies.dat files live in one place, but the demo wanted them
> in addition in some other place (I forget the exact path, but it was obvious
> from the error message). So I added symbolic links.
>
> It just occurred to me that the instructions talked about ratings.dat and
> movies.dat, but did not mention users.dat. I wonder if copying that will let
> the demo work? I'll try that in a minute.
>
>
>
>> Date: Thu, 28 May 2009 12:00:44 +0100
>> Subject: Re: taste-web example booboo
>> From: srowen@gmail.com
>> To: mahout-user@lucene.apache.org
>
>>> The cause is that the DataModel has no items. (I will improve the>
> error checking to produce a...
>
>> On Wed, May 27, 2009 at 10:54 PM, Jack Tanner wrote:>>>> I'm trying to
> run the taste-web exampl...
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