modest update to CLASSIFY_DETAILS.txt
[email protected] Mon, 6 Feb 2012 22:27:59 -0800
| Newsgroups | gmane.mail.spam.crm114 |
|---|---|
| Message-ID | <[email protected]> |
Hi, All.
I'm back to looking at CRM114, and I decided to update some of the
documentation, working from "the (possibly) slightly unstable latest
mainline version" -- thanks for the continued good work, and I hope the
updates prove useful. This is the first.
/Jskud
--- crm114-20120205-ORIG/CLASSIFY_DETAILS.txt 2009-09-11 11:25:57.000000000 -0700
+++ crm114-20120205/CLASSIFY_DETAILS.txt 2012-02-06 07:49:00.000000000 -0800
@@ -18,7 +18,8 @@
The current distribution builds in this set of classifiers. The
classifiers are:
-1) SBPH Markovian (the default) This is an extension of Bayesian
+1) SBPH Markovian (the default) - This classifier uses
+ Sparse Binary Polynomial Hashing (SBPH), an extension of Bayesian
classification, mapping features in the input text into a Markov
Random Field. This turns each token in the input into 2^(N-1)
features, which gives high accuracy but at high computation
@@ -52,7 +53,7 @@
other classifiers. It _will_ work against binary files, though,
which none of the other classifiers will.
-5) Hyperspatial classification - this experimental classifier
+5) Hyperspatial classification - This experimental classifier
tokenizes, but does not use Bayes law at all, nor statistical
"clumping". During learning, each example document generates a
single point in a 4 billion dimensional hyperspace. The
@@ -719,7 +720,7 @@
-The format of a SBPH or OSB Markovian .css file (and, for winnow a
+The format of a SBPH or OSB Markovian .css file (and, for Winnow a
.cow file) is a 64-bit hash of a feature (whether the feature is a
single word, a bigram, or a full SBPH does not matter) and a 32-bit
representation of the value. In .css files, the 32 bits is an
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