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From Grant Ingersoll <gsing...@apache.org>
Subject Re: mahout for news recommendation?
Date Thu, 02 Apr 2009 12:51:51 GMT
Hmm, when I check out clean and do install it works fine.

What platform are you on?


On Apr 2, 2009, at 8:12 AM, Grant Ingersoll wrote:

> 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
>

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

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


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