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[MAHOUT-650] java.io.Serializable should be implemented by org.apache.mahout.cf.taste.impl.common.LongPrimitiveArrayIterator - Mahout - [issue]
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...I am using Mahout in a Java EE 6 application. I implemented a DataModel as an EJB 3.1 Singelton Service Bean. I wanted to write some test cases but unfortunately some of the classes of Taste...
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http://issues.apache.org/jira/browse/MAHOUT-650
Author: Manuel Blechschmidt,
2012-02-09, 14:03
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[MAHOUT-905] CachingUserSimilarity and CachingItemSimilarity have wrong (far to small) default maxSizes - Mahout - [issue]
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...I am currently tuning my recommender discussed here: http://thread.gmane.org/gmane.comp.apache.mahout.user/10433.As a first step I wrapped my LogLikelihoodSimilarity with an CachingUserSimil...
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http://issues.apache.org/jira/browse/MAHOUT-905
Author: Manuel Blechschmidt,
2012-02-09, 14:02
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Re: mahout jar in classpath - Mahout - [mail # user]
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...Hi Daniel, according to my checkout of the Mahout 0.5 tag. Dense Vector should be part of the math package: ./math/src/main/java/org/apache/mahout/math/DenseVector.java Here is w...
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Author: Manuel Blechschmidt,
2012-01-30, 22:04
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Re: custom modifications to include implicit feedback in neighbourhood model - Mahout - [mail # user]
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...Hi Gawesh, you could also implement an ensemble recommender by using two recommenders and then blending the results. The following JIRA is discussing how to do this: https://issu...
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Author: Manuel Blechschmidt,
2012-01-28, 19:44
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Re: status of hadoop hidden markov model in mahout - Mahout - [mail # user]
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...Hi Keary, On 25.01.2012, at 21:47, Keary Cavin wrote: Actually in the core Mahout SVN there is not parallel implementation of any aspects of the HMM approach yet. Nevertheless D...
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Author: Manuel Blechschmidt,
2012-01-25, 21:08
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Re: Item-based Recommendation Engine Performance for E-Commerce - Mahout - [mail # user]
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...Hello Varad, On 22.01.2012, at 10:47, Sean Owen wrote: I agree to Sean. Actually I had a similar problem about 6 month ago. I used JVisualVM to profile Mahout with an MSQL Serve...
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Author: Manuel Blechschmidt,
2012-01-22, 16:44
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Re: Evaluating a recomender performance - Mahout - [mail # user]
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...Hi Raphael, here are some measurements by me with mahout for a similar case: http://mail-archives.apache.org/mod_mbox/mahout-user/201111.mbox/%[EMAIL PROTECTED]%3E I have a start...
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Author: Manuel Blechschmidt,
2012-01-18, 15:04
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Re: Purchase prediction - Mahout - [mail # user]
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...Hello Nishant, intent prediction based on the behavior on the website is a tough task. Here is a paper which trained bayes networks to guess the task that a person is doing: An a...
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Author: Manuel Blechschmidt,
2012-01-04, 17:32
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Re: Purchase prediction - Mahout - [mail # user]
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...Hi Mike, actually it is a very tough research task to make predictions in real time. I would expect that you can tune hidden markov models to work in semi real time. Further if y...
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Author: Manuel Blechschmidt,
2012-01-03, 20:26
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Re: Purchase prediction - Mahout - [mail # user]
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...Hello Nishan, you can use the recommender approaches with the boolean reference model. You can use IRStatistics (Precision, Recall, F-Measure) to benchmark your results. https://cwiki....
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Author: Manuel Blechschmidt,
2012-01-03, 19:39
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