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[VOTE] Add Travis-CI for Mahout - Mahout - [mail # dev]
...Good question. It can replace Jenkins, integrates automatically (only I think) with Github, and is orders of magnitude easier to use than Jenkins. A lot of other projects use it but I was su...
   Author: Pat Ferrel , 2015-04-17, 16:33
adjusted cosine similarity for item-based recommender? - Mahout - [mail # user]
...I’d add that overview and references are here: http://mahout.apache.org/users/algorithms/recommender-overview.htmlThere are many benefits to this architecture including being able to make re...
   Author: Pat Ferrel , 2015-04-03, 16:06
[expand - 2 more] - Recommender for news articles based on own user profile (URL history) - Mahout - [mail # user]
...Yes.The batch training data should be updated as needed but for some length of time the RowSimilarity Model will be valid and useful even with brand new queries that are made from articles n...
   Author: Pat Ferrel , 2014-02-16, 02:26
Dithering and Thompson Sampling - Mahout - [mail # user]
...I’m still unclear about how to apply TS to dithering. TS is usually talked about in conjunction with a feedback loop, which make the examples seem more like Multi-armed Bandit examples.Are y...
   Author: Pat Ferrel , 2014-02-16, 02:38
[expand - 4 more] - How can creating a recommender by spark-itemsimilarity - Mahout - [mail # user]
...First it looks like some misspelled IDs ipad != iPadiphone != iPhoneSecond you have to treat purchase as the primary action and view as the secondary action this will create two indicator ma...
   Author: Pat Ferrel , 2014-09-19, 14:14
[expand - 7 more] - ItemSimilarityDriver failing to write text file - Mahout - [mail # user]
...Hmm, well if that’s so then you are also able to see the data since you’re reading and writing to the same S3 location in either case. The only difference is the Spark master and therefore p...
   Author: Pat Ferrel , 2014-09-17, 02:11
[expand - 6 more] - Popularity of recommender items - Mahout - [mail # user]
...There’s been work done on the cross-recommender. There is a Mahout-style XRecommenderJob that has two preference models for two actions or preference types. It uses matrix multiply to get a ...
   Author: Pat Ferrel , 2014-02-14, 18:57
What's the mr item-based recommend algorithm essay? - Mahout - [mail # user]
...The reboot of that old mr engines in Mahout-Samsara is what we call Correlated Cross-Occurrence (CCO) this is the core of a mutli-modal recommender engine that can use almost any information...
   Author: Pat Ferrel , 2016-02-19, 16:46
mahout spark-itemsimilarity does not work on EMR 4.3 - Mahout - [mail # user]
...Another way to get Mahout item-similarity based recommender is to use the Universal Recommender here: https://github.com/actionml/template-scala-parallel-universal-recommendation/tree/v0.3.0...
   Author: Pat Ferrel , 2016-02-24, 17:16
[expand - 11 more] - User based recommender - Mahout - [mail # user]
...All very good points but note that spark-itemsimilarity may take the input directly since you specify column numbers for On Nov 26, 2014, at 11:43 AM, parnab kumar  wrote:kindly elabora...
   Author: Pat Ferrel , 2014-11-26, 20:06