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Re: Which database should I use with Mahout - Mahout - [mail # user]
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...Hi Pat, On May 20, 2013, at 9:46am, Pat Ferrel wrote: Yes - you can "boost" individual terms in the query. And you can use payloads on terms in the index to adjust their s...
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Author: Ken Krugler,
2013-05-20, 17:45
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Re: Feature reduction for LibLinear weights - Mahout - [mail # user]
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...Hi Ted, On Apr 13, 2013, at 8:46pm, Ted Dunning wrote: I finally got to run this on a full set of training data, and it worked really well - even with a single hash function. &n...
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Author: Ken Krugler,
2013-04-24, 20:56
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Re: Feature reduction for LibLinear weights - Mahout - [mail # user]
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...Hi Ted, On Apr 13, 2013, at 8:46pm, Ted Dunning wrote: Thanks for clarifying - I was stuck on using the hash trick to get rid of the terms to index map, versus creating a denser...
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Author: Ken Krugler,
2013-04-17, 14:29
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Re: Feature reduction for LibLinear weights - Mahout - [mail # user]
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...On Apr 12, 2013, at 11:55pm, Ted Dunning wrote: Unfortunately LibLinear takes feature indices directly (assumes they're sequential ints from 0..n-1), so I don't think feature hashing ...
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Author: Ken Krugler,
2013-04-13, 14:05
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Feature reduction for LibLinear weights - Mahout - [mail # user]
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...Hi all, We're (ab)using LibLinear (linear SVM) as a multi-class classifier, with 200+ labels and 400K features. This results in a model that's > 800MB, which is a bit unwieldy...
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Author: Ken Krugler,
2013-04-13, 01:30
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Re: Implicit preferences - Mahout - [mail # user]
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...On Feb 11, 2013, at 1:57am, Johannes Schulte wrote: I assume you're talking about passing false for the includeSpanScore parameter in the PayloadTermQuery constructor, yes? Anyw...
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Author: Ken Krugler,
2013-02-11, 18:27
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Re: Implicit preferences - Mahout - [mail # user]
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...On Feb 10, 2013, at 2:39pm, Johannes Schulte wrote: I haven't been following this discussion, but in general using payloads is a way of providing additional information about a term t...
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Author: Ken Krugler,
2013-02-11, 00:11
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DARPA XDATA award to Georgia Tech - Mahout - [mail # user]
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...http://www.scientificcomputing.com/news-HPC-Georgia-Tech-Wins-2_7-Million-to-Advance-Big-Data-Technology-121212.aspx Wonder if they know about Mahout? :) Ken Krugler +1 530-210...
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Author: Ken Krugler,
2012-12-15, 23:15
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Re: RowSimilarity - Mahout - [mail # user]
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...On Jul 18, 2012, at 9:07am, Pat Ferrel wrote: Both, since they (must) use the same approach for the query to do a good job of matching against docs in the index. Often two word ...
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Author: Ken Krugler,
2012-07-18, 16:53
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Re: RowSimilarity - Mahout - [mail # user]
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...Hi Pat, On Jul 14, 2012, at 8:17am, Pat Ferrel wrote: The simplistic approach I used was to extract the top 50 terms (with TF*IDF weights) from the target document, then use tho...
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Author: Ken Krugler,
2012-07-18, 03:22
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