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Re: Call to action – Mahout needs your help - Mahout - [mail # dev]
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...Hi Mike, Giraph has a changelog file [1] that mentions the committer and contributor for each commit. Do you think introducing such a file would be a way to provide the desired attrib...
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Author: Sebastian Schelter,
2013-03-26, 08:35
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Re: changes without JIRA's - Mahout - [mail # dev]
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...I guess this refers to the cleanups I've done in the last days. In the future, I will create a Jira for each and attach a patch. On 25.03.2013 16:31, Ted Dunning wrote:...
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Author: Sebastian Schelter,
2013-03-25, 15:34
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Re: Mathematical background of ALS recommenders - Mahout - [mail # user]
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...As clarification, here are the relevant papers. The approach for explicit feedback [1] does not use unobserved cells, only the approch for handling implicit feedback [2] does, but weighs the...
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Author: Sebastian Schelter,
2013-03-25, 14:08
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Re: Mathematical background of ALS recommenders - Mahout - [mail # user]
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...Well in LSI it is ok to do that, as a missing entry means that the document contains zero occurrences of a given term which is totally fine. In Collaborative Filtering with explicit fe...
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Author: Sebastian Schelter,
2013-03-25, 11:25
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Re: Mathematical background of ALS recommenders - Mahout - [mail # user]
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...I think one crucial point is missing from this discussion. In Collaborative Filtering the matrix to decompose is only partially defined. A missing entry cannot simply be substituted by 0, it...
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Author: Sebastian Schelter,
2013-03-25, 11:10
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Re: Parallel item-based recommender job - Mahout - [mail # user]
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...Hi JU, are you sure regarding 1. ? It would be a bug. How do you exactly call the job? 2. The threshold is used during the similarity computation and is a lower bound for the sim...
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Author: Sebastian Schelter,
2013-03-25, 09:46
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[MAHOUT-1172] Replace org.apache.mahout.cf.taste.common.TopK with Lucene's PriorityQueue - Mahout - [issue]
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...Using Lucene's PriorityQueue allows for faster and more memory-efficient top-k selection....
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http://issues.apache.org/jira/browse/MAHOUT-1172
Author: Sebastian Schelter,
2013-03-25, 09:42
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Re: Call to action – Mahout needs your help - Mahout - [mail # dev]
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...Hi, throwing in my 2 cents here: I think that you mentioned a very good point with stating that it is not clear whether Mahout is a library, a standalone program to interact with...
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Author: Sebastian Schelter,
2013-03-25, 08:10
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Re: Call to action – Mahout needs your help - Mahout - [mail # dev]
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...Hi Grant, how would/could such a scale back look like? Best, Sebastian On 24.03.2013 18:30, Grant Ingersoll wrote:...
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Author: Sebastian Schelter,
2013-03-24, 17:31
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Checkstyle - Mahout - [mail # dev]
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...Why is checkstyle removed from our pom? Is there a particular reason for that? I would suggest to reintroduce it and make the build fail on violations to increase code quality. B...
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Author: Sebastian Schelter,
2013-03-24, 16:47
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