(Out-of-date) Grammar Summary for ERG from 2006


Grammar	English Resource Grammar (ERG)
Language/Dialect	English, Standard American
Authors	Dan Flickinger, Rob Malouf, Emily Bender
Start date	1994
Person-years to date	17
Source available (link)	http://www.delph-in.net/erg
Documentation: publications	http://www.delph-in.net/erg
Documentation online (link)	No
Online demo (link)	http://www.delph-in.net/erg
License	MIT
Version	24-May-06


Number of lexical leaf types	864
Total number of lexical types	1822
Number of lexical rules	26
Number of syntactic rules	153
Total number of types (no GLBs)	4303
Lexical entries: Hand-built	24191
Lexical entries: External source	0
Lines of TDL (excl lexicon)	28610
Lines of comments	5757


External morphology	No
Preprocessor	Yes: finite state in LKB
Lexical database	Yes
Unknown word mechanism	Yes: TNT POS-based in PET
Idioms	Yes

Test suites	DELPHINROOT/lingo/lkb/src/tsdb/skeletons
- name:domain (items)	csli:phenom (1348) mrs:semantics (107)
	hike:tourism (330) rondane:tourism (1424)
	logon:tourism (9411) vm:meetings (12393)
	ec:ecommerce (5867) trec9:q-a (693)
Treebanks	http://www.delph-in.net/redwoods and
	DELPHINROOT/lingo/erg/gold/
Parse-ranking model	Yes, from LOGON treebanks
Generation (trigger rules)	Yes
Realization-ranking model	Yes, from LOGON treebanks
Paraphrasing rules	Yes
SEM-I	Yes
Application(s)	MT, email response
Processing engines	LKB, PET, ACE, (LILFES)
Operating systems	Linux, Windows, MacOS
Notes

Calculate Numbers

  mkdir /tmp/counttdl
  cd <grammardir>
  cp *.tdl /tmp/counttdl
  cd /tmp/counttdl
  rm lexicon.tdl
  cat *.tdl > total
  wc -l total              

  grep -e '^;' *.tdl | wc -l

  cd /tmp/counttdl
  grep "_le :=" *.tdl | wc -l

  cd /tmp/counttdl
  cat <lextypefiles> > ltypes
  grep ":=" ltypes | wc -l

  cd <grammardir>
  grep ":=" <lexfiles> | wc -l

  cd <grammardir>
  grep ":=" <rules> | wc -l

  cd /tmp/counttdl
  grep ":=" total | wc -l
  grep ":<" total | wc -l

Last update: 2014-11-21 by DanFlickinger [edit]