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GRIND(1)			     WordNettm User Commands				 GRIND(1)

NAME
       grind - process WordNet lexicographer files

SYNOPSIS
       grind  [  -v  ]	[  -s ] [ -Llogfile ] [ -a ] [ -d ] [ -i ] [ -o ] [ -n ] filename [ file-
       name... ]

DESCRIPTION
       grind() processes WordNet lexicographer files, producing database files suitable  for  use
       with  the  WordNet  search  and	interface code and other applications.	The syntactic and
       structural integrity of the input files is verified.  Warnings and errors are reported via
       stderr  and  a  run-time log is produced on stdout.  A database is generated only if there
       are no errors.

   Input Files
       Input files correspond to the syntactic categories implemented in WordNet  -  noun,  verb,
       adjective  and  adverb.	 Each input lexicographer file consists of a list of synonym sets
       (synsets) for one part of speech.  Although the basic synset syntax is the same for all of
       the  parts  of speech, some parts of the syntax only apply to a particular part of speech.
       See wninput(5) for a description of the input file format.

       Each filename specified is of the form:

	      pathname/pos.suffix

       where pathname is optional and pos is either noun, verb, adj or adv.  suffix may  be  used
       to  separate  groups  of  synsets  into	different  files,  for	example  noun.animal  and
       noun.plant.  One or more input files, in any combination of syntactic categories,  may  be
       specified.   See  lexnames(5) for a list of the lexicographer files used to build the com-
       plete WordNet database.

   Output Files
       grind() produces the following output files:

			 +------------+----------------------------------------+
			 | Filename   | 	     Description	       |
			 +------------+----------------------------------------+
			 |index.pos   | Index file for each syntactic category |
			 |data.pos    | Data file for each syntactic category  |
			 |index.sense | Sense index			       |
			 +------------+----------------------------------------+
       See wndb(5) for a description of the database file formats.

       Each time grind() is run, any existing database files are overwritten  with  the  database
       files  generated from the specified input files.  If no input files from a syntactic cate-
       gory are specified, the corresponding database files are not overwritten.

   Sense Numbers
       Senses are generally ordered from most to least frequently  used,  with	the  most  common
       sense numbered 1.  Frequency of use is determined by the number of times a sense is tagged
       in the various semantic concordance texts.  Senses that are not semantically tagged follow
       the  ordered  senses  in  an arbitrary order.  Note that this ordering is only an estimate
       based on usage in a small corpus.

       The tagsense_cnt field for each entry in the index.pos files indicates  how  many  of  the
       senses in the list have been tagged.

       The cntlist file provided with the database lists the number of times each sense is tagged
       in the semantic concordances.  grind() uses the data from cntlist to order the  senses  of
       each word.  When the index.pos files are generated, the synset_offsets are output in sense
       number order, with sense 1 first in the list.  Senses with the  same  number  of  semantic
       tags  are assigned unique but consecutive sense numbers.  The WordNet OVERVIEW search dis-
       plays all senses of the specified word, in all syntactic categories, and  indicates  which
       of the senses are represented in the semantically tagged texts.

OPTIONS
       -v	      Verify integrity of input without generating database.

       -s	      Suppress	generation  of	warning messages.  Usually grind is run with this
		      option until all syntactic and structural errors are  corrected  since  the
		      warning messages may make it difficult to spot error messages.

       -Llogfile      Write all messages to logfile instead of stderr.

       -a	      Generate statistical report on input files processed.

       -d	      Generate distribution of senses by string length report on input files pro-
		      cessed.

       -i	      Generate sense index file.

       -o	      Order senses using cntlist.

       -n	      Generate nominalization (derivational morphology) links in database.

       filename       Input file of the form described in Input Files.

FILES
       pos.*		   lexicographer files to use to build database

       cntlist		   file of combined semantic concordance cntlist files.  Used  to  assign
			   sense numbers in WordNet database

SEE ALSO
       cntlist(5), lexnames(5), senseidx(5), wndb(5), wninput(5), uniqbeg(7), wngloss(7).

DIAGNOSTICS
       Exit  status is normally 0.  Exit status is -1 if non-specific error occurs.  If syntactic
       or structural errors exist, exit status is number of errors detected.

       usage: grind [-v] [-s] [-Llogfile] [-a ] [-d] [-i] [-o] [-n] filename [filename...]
	      Invalid options were specified on the command line.

       No input files processed.
	      None of the filenames specified were of the appropriate form.

       n syntactic errors found.
	      Syntax errors were found while parsing the input files.

       n structural errors found.
	      Pointer errors were found that could not be automatically corrected.

BUGS
       Please report bugs to wordnet@princeton.edu.

WordNet 3.0				     Dec 2006					 GRIND(1)
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