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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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Re: Time series analysis - Mahout - [mail # user]
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...Hi myn, as far as I know there are not a lot of time series analyzing algorithms implemented in mahout. To be concrete: There are no ARIMA algorithms for forecasting: http://en.w...
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Author: Manuel Blechschmidt,
2011-12-05, 13:14
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Re: Mahout performance issues - Mahout - [mail # user]
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...Hi Daniel, unfortunately I did not tried yet the IRStatistics analyzer so I am not able to diagnose the performance problems. At the moment I also have to work on some other other stuff. &nb...
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Author: Manuel Blechschmidt,
2011-12-05, 12:46
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Re: Mahout performance issues - Mahout - [mail # user]
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...Hello Daniel, On 02.12.2011, at 12:02, Daniel Zohar wrote: It would be great if you could measure your run time performance and your accuracy with the provided Mahout tools. &nb...
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Author: Manuel Blechschmidt,
2011-12-02, 11:20
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Re: Mahout performance issues - Mahout - [mail # user]
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...Hello Daniel, On 01.12.2011, at 16:06, Daniel Zohar wrote: I agree but making recommendations work in real time is not an engineering problem. It is an academic problem. Mahout ...
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Author: Manuel Blechschmidt,
2011-12-01, 15:24
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Re: Mahout performance issues - Mahout - [mail # user]
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...Hi Dan, On 30.11.2011, at 21:23, Dan Beaulieu wrote: Isabel already gave a good explanation. Nevertheless as it turns out at the moment the problem of this performance issues se...
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Author: Manuel Blechschmidt,
2011-12-01, 15:18
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Re: Mahout performance issues - Mahout - [mail # user]
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...Hi Daniel, actually you are running the profile inside tomcat. You should take a snapshot and then drill down to the functions where the actual recommendation takes place. The current screen...
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Author: Manuel Blechschmidt,
2011-12-01, 14:56
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Re: Mahout performance issues - Mahout - [mail # user]
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...Hello, On 01.12.2011, at 09:37, Sebastian Schelter wrote: In this paper: Fast Online Learning through Offline Initialization for Time-sensitive Recommendation http://users.cs.fiu...
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Author: Manuel Blechschmidt,
2011-12-01, 08:52
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Re: Data class taxonomy for machine learning - Mahout - [mail # user]
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...Hi Lance, On 01.12.2011, at 05:45, Lance Norskog wrote: This is the correct one: http://www.cs.uni-potsdam.de/ml/teaching/ws10/ida/Datenselektion_und_Datenaufbereitung.pdf ...
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Author: Manuel Blechschmidt,
2011-12-01, 08:41
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