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From: Grant Ingersoll <gsingers@apache.org>
To: mahout-user@lucene.apache.org
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Subject: Re: mahout for news recommendation?
Date: Thu, 2 Apr 2009 08:12:35 -0400
References: <299cc2dd0903301407u273de807se39e52e5f3062051@mail.gmail.com>
  <75c31b2a0903310647ubeddc3dr374f2c7e40c4d53a@mail.gmail.com>
  <1E880D71-2991-4754-9872-5BF761C6508D@apache.org>
 <75c31b2a0903310839n165a8423nc233ece3221d7cf4@mail.gmail.com>
  <9bbe83bc0903310932x49deb0cfxfdb591cd6c7541b1@mail.gmail.com>
  <9d2777b60903310957gac3e096wf4a351d45172863c@mail.gmail.com>
  <878175.67324.qm@web50306.mail.re2.yahoo.com>
 <e2e029610904010248u4d086077h648d8034b166fdf8@mail.gmail.com>
  <299cc2dd0904010835t5f3df75ewe17331e9a005f38e@mail.gmail.com>
  <4F44AF8A-14EE-44EA-ACF7-699684A3CFA0@apache.org>
 <299cc2dd0904011327x32a32d9fye2d53fed727b55f0@mail.gmail.com>

What version of Maven do you have?

On Apr 1, 2009, at 4:27 PM, Joshua Bronson wrote:

> You mean you're supposed to do step 4 *before* step 8?!? ;p
> I did run mvn install, and thought I got a bunch of warnings like the
> following:
>
> [WARNING] Entry:
>> mahout-0.2-SNAPSHOT/usr/local/melk/mahout/core/src/main/java/org/ 
>> apache/mahout/cf/taste/impl/common/
>> longer than 100 characters.
>>
>
> after a couple hours it said it completed successfully:
>
> [INFO]
>> ------------------------------------------------------------------------
>>
> [INFO] Reactor Summary:
>>
> [INFO]
>> ------------------------------------------------------------------------
>>
> [INFO] Mahout core ........................................... SUCCESS
>> [8:46.665s]
>>
> [INFO] Mahout Taste Webapp ................................... SUCCESS
>> [55.496s]
>>
> [INFO] Mahout examples ....................................... SUCCESS
>> [55.317s]
>>
> [INFO] Apache Lucene Mahout .................................. SUCCESS
>> [2:02:03.392s]
>>
> [INFO]
>> ------------------------------------------------------------------------
>>
> [INFO]
>> ------------------------------------------------------------------------
>>
> [INFO] BUILD SUCCESSFUL
>>
> [INFO]
>> ------------------------------------------------------------------------
>>
> [INFO] Total time: 132 minutes 41 seconds
>>
> [INFO] Finished at: Wed Apr 01 00:59:27 EDT 2009
>>
> [INFO] Final Memory: 61M/80M
>>
> [INFO]
>> ------------------------------------------------------------------------
>>
>
>
> So I proceeded through steps 5, 6, and 7, and then step 8's "mvn  
> package"
> command failed with the output I linked to.
>
> Just for the heck of it I tried "mvn install" again (from the top- 
> level
> directory) and after getting a bunch of the "longer-than-100- 
> characters"
> warnings again, this time after 7 minutes it failed with:
>
> [ERROR] BUILD ERROR
>>
> [INFO]
>> ------------------------------------------------------------------------
>>
> [INFO] Failed to create assembly: Error creating assembly archive  
> project: A
>> tar file cannot include itself.
>>
>
>
> I posted the full transcript of my console session at
> http://melkjug.org/_static/grouplens-install-log.txt. Seems like  
> something
> funky's going on with tar, but I'm not sure what.
>
>
> On Wed, Apr 1, 2009 at 12:11 PM, Grant Ingersoll  
> <gsingers@apache.org>wrote:
>
>> Do a "mvn install" from the top level directory first:
>> http://lucene.apache.org/mahout/taste.html#demo
>>
>> HTH,
>> Grant
>>
>>
>> On Apr 1, 2009, at 11:35 AM, Joshua Bronson wrote:
>>
>> Thanks all for the good info. Taste definitely sounds like a  
>> promising
>>> direction for us to go in for our recommendation service.
>>> I'm working through the installation of the GroupLens demo, but  
>>> the mvn
>>> package step is failing with the output at
>>> http://paste.pocoo.org/show/110618/. Haven't looked into this yet,  
>>> just
>>> thought I'd post to the list first with my progress. If anyone  
>>> else uses
>>> IRC, I've created (and am currently the only one in) the #mahout  
>>> channel
>>> on
>>> freenode. Hope to see some of you in there!
>>>
>>> Josh
>>>
>>> On Wed, Apr 1, 2009 at 5:48 AM, Sean Owen <srowen@gmail.com> wrote:
>>>
>>> Couple clarifications -
>>>>
>>>> The CF components are oriented to on-line, real-time use, though of
>>>> course
>>>> one can trivially build a batch job out of that. That is what I  
>>>> did with
>>>> the
>>>> EC2 image that cranks out recommendations for all users.
>>>>
>>>> The CF component is also already parallelized as much as is  
>>>> practical.
>>>> There
>>>> are already Hadoop jobs for parallel, batch operation.
>>>>
>>>> Finally if you have some external notion of item similarity, like  
>>>> text
>>>> similarity between articles, you can and should include this info  
>>>> by
>>>> creating an ItemSimilarity with this knowledge. In that case you  
>>>> want to
>>>> use
>>>> an item-based recommender, since it is only in such a case that
>>>> item-based
>>>> recommenders have a distinct advantage.
>>>>
>>>> On Apr 1, 2009 10:32 AM, "Otis Gospodnetic" <otis_gospodnetic@yahoo.com 
>>>> >
>>>> wrote:
>>>>
>>>>
>>>> it's the former.  Taste is still not parallelized, but other  
>>>> parts of
>>>> Mahout
>>>> are, and they make use of Hadoop.
>>>>
>>>>
>> --------------------------
>> Grant Ingersoll
>> http://www.lucidimagination.com/
>>
>> Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids)  
>> using
>> Solr/Lucene:
>> http://www.lucidimagination.com/search
>>
>>

--------------------------
Grant Ingersoll
http://www.lucidimagination.com/

Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids)  
using Solr/Lucene:
http://www.lucidimagination.com/search