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apertium-tagger(1)					    apertium-tagger(1)

NAME
       apertium-tagger - This application is part of  (	apertium )

       This  tool  is part of the apertium open-source machine translation ar-
       chitecture: http://www.apertium.org.

SYNOPSIS
       apertium-tagger --train|-t {n} DIC CRP TSX PROB [--debug|-d]

       apertium-tagger --supervised|-s {n} DIC CRP TSX PROB HTAG UNTAG	[--de-
       bug|-d]

       apertium-tagger --retrain|-r {n}	CRP PROB [--debug|-d]

       apertium-tagger --tagger|-g [--first|-f]	PROB [--debug|-d] [INPUT [OUT-
       PUT]]

DESCRIPTION
       apertium-tagger is the application responsible for the  apertium	 part-
       of-speech tagger	training or tagging, depending on the calling options.
       This command only reads from the	standard input if the option  --tagger
       or -g is	used.

OPTIONS
       -t {n}, --train {n}
	      Initializes  parameters  through Kupiec's	method (unsupervised),
	      then performs n iterations of the	Baum-Welch training  algorithm
	      (unsupervised).

       -s {n}, --supervised {n}
	      Initializes  parameters  against a hand-tagged text (supervised)
	      through the maximum likelihood estimate method, then performs  n
	      iterations of the	Baum-Welch training algorithm (unsupervised)

       -r {n}, --retrain {n}
	      Retrains	the model with n additional Baum-Welch iterations (un-
	      supervised).

       -g, --tagger
	      Tags input text by means of Viterbi algorithm.

       -p, --show-superficial
	      Prints the superficial form of the word along side  the  lexical
	      form in the output stream.

       -f, --first
	      Used  in conjuntion with -g (--tagger) makes the tagger give all
	      lexical forms of each word, with the chosen  one	in  the	 first
	      place (after the lemma)

       -d, --debug
	      Print error (if any) or debug messages while operating.

       -m, --mark
	      Mark disambiguated words.

       -h, --help
	      Display a	help message.

FILES
       These are the kinds of files used with each option:

       DIC Full	expanded dictionary file

       CRP Training text corpus	file

       TSX Tagger specification	file, in XML format

       PROB Tagger data	file, built in the training and	used while tagging

       HTAG Hand-tagged	text corpus

       UNTAG  Untagged	text  corpus, morphological analysis of	HTAG corpus to
       use both	jointly	with -s	option

       INPUT Input file, stdin by default

       OUTPUT Output file, stdout by default

SEE ALSO
       lt-proc(1), lt-comp(1), lt-expand(1), apertium(1).

BUGS
       Lots of...lurking in the	dark and waiting for you!

AUTHOR
       Copyright (c) 2005, 2006	Universitat d'Alacant /	 Universidad  de  Ali-
       cante.  This is free software.  You may redistribute copies of it under
       the terms of the	GNU  General  Public  License  <http://www.gnu.org/li-
       censes/gpl.html>.

				  2006-08-30		    apertium-tagger(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO | BUGS | AUTHOR

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