[developers] questions about PET/ERG system

Xue, Ping ping.xue at boeing.com
Thu Apr 9 07:43:52 CEST 2015


Thank you so much for the emails and detailed info. I will do what you suggested. 



-----Original Message-----
From: stephan.oepen at gmail.com [mailto:stephan.oepen at gmail.com] On Behalf Of Stephan Oepen
Sent: Wednesday, April 08, 2015 9:51 AM
To: Xue, Ping
Cc: developers at delph-in.net
Subject: Re: [developers] questions about PET/ERG system

>   cheap -repp -cm -default-les=all -packing \
>     -nsolutions=1 -mrs -memlimit=4096 -timeout=60 english.grm

apologies, i forgot one thing: unless working in a closed-vocabulary domain that is fully covered by the built-in ERG lexicon and its lightweight named entity recognition (numbers, dates, capitalized proper names, and such; recognized by surface patterns during token mapping), most use cases also enable unknown word instantiation based on PoS tags, by adding ‘-tagger’ to the cheap command line.  this option will make PET call out to a tagger, by default using the configuration in ‘pet/common.set’:

  taggers := tnt.
  tnt-command := "${LOGONROOT}/bin/tnt".
  tnt-arguments := "-v0 -z100 ${LOGONROOT}/coli/tnt/models/wsj -".

looking at the excessive use of comments in the above file, i realize that too might have some documentation value.

best, oe

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