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From Grant Ingersoll <gsing...@apache.org>
Subject Re: [jira] Commented: (MAHOUT-56) Watchmaker Integration
Date Mon, 28 Jul 2008 12:19:03 GMT
I think we should split out a separate issue for ARFF (didn't Karl  
start one already?) and tackle that too.  It seems like reading ARFF  
should be generally useful.


On Jul 24, 2008, at 2:41 PM, Deneche A. Hakim (JIRA) wrote:

>
>    [ https://issues.apache.org/jira/browse/MAHOUT-56?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12616573

> #action_12616573 ]
>
> Deneche A. Hakim commented on MAHOUT-56:
> ----------------------------------------
>
> After meny attemps to load all the informations that you gave me in  
> my brain-processing-cluster-that-doesnt-work-quit-well, let's see if  
> I understand it correctly:
>
> The algortihm handles any dataset in a matrix format, where (in my  
> case) the collumns are the attributes (and one of them is the Label)  
> and the rows are the datas.
>
> Working with Hadoop, we'll need to pass the dataset in the mapper's  
> input, so it must be a file (or many files). We'll then need a  
> custom InputFormat to feed the mappers with the data, and here comes  
> the lovely-named "row-wise splitting matrix input format".
>
> Now we want to be able to work with any given dataset file format  
> (including the ARFF and my custom format), and thus the InputFormat  
> needs a decoder that converts the dataset lines into matrix rows.
>
>> Watchmaker Integration
>> ----------------------
>>
>>                Key: MAHOUT-56
>>                URL: https://issues.apache.org/jira/browse/MAHOUT-56
>>            Project: Mahout
>>         Issue Type: Task
>>         Components: Genetic Algorithms
>>           Reporter: Deneche A. Hakim
>>           Assignee: Grant Ingersoll
>>           Priority: Minor
>>            Fix For: 0.1
>>
>>        Attachments: libs.zip, libs.zip, libs.zip, tsp- 
>> screenshot-1.jpg, watchmaker-tsp.patch, watchmaker-tsp.patch,  
>> watchmaker-tsp.patch, watchmaker-tsp.patch, watchmaker-tsp.patch,  
>> watchmaker-tsp.patch, watchmaker-tsp.patch, watchmaker-tsp.patch,  
>> watchmaker-tsp.patch, watchmaker-tsp.patch, watchmaker-tsp.patch,  
>> watchmaker-tsp.patch, watchmaker-tsp.patch
>>
>>
>> The goal of this task is to allow watchmaker definded problems be  
>> solved in Mahout.
>
> -- 
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>


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