From 0172721855098ca02b207231a654dffa5e4eb1c9 Mon Sep 17 00:00:00 2001
From: redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Tue, 22 Jun 2010 05:12:27 +0000
Subject: initial checkin

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@2 ec762483-ff6d-05da-a07a-a48fb63a330f
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 extools/README | 32 ++++++++++++++++++++++++++++++++
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 create mode 100644 extools/README

(limited to 'extools/README')

diff --git a/extools/README b/extools/README
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+
+Categories have the format i-j:CAT where i and j are the indices of the spaces
+between words in the TARGET language.  For example, slash categories can be written:
+
+  the blue house
+  0-1:DT 1-2:JJ 2-3:NN 1-3:NBAR 0-2:NP/NN 0-3:NP
+
+
+You may multiply label each span, e.g.
+
+  NP
+   |
+ NBAR
+   |
+  NN
+   |
+ John
+  0-1:NP 0-1:NBAR 0-1:NP
+
+However, this may result in a very large number of rules being extracted.
+
+
+****
+* Filtering and Scoring of Unscored and Unfiltered Grammars
+****
+
+Take the unfiltered grammar, and a test set, and run:
+./filter_grammar <test set> < unfiltered.grammar > filter.grammar
+
+Then, to score the new filtered grammar, run:
+./score_grammar <alignment> < filtered.grammar > scored.grammar
+
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