@misc{Christiansen:2002b,
  abstract = {This document explains how to use CHRG which is a grammar notation implemented on top of the CHR language of Constraint Handling Rules. CHR is an extension to Prolog with committed choice multiple-headed rules. You need to have a recent version of SICSTUS Prolog installed on your computer that supports the CHR library.},
  added-at = {2007-12-14T02:37:23.000+0100},
  author = {Christiansen, Henning},
  biburl = {http://www.bibsonomy.org/bibtex/28ff465d7bd9b7c9df5a943dff1d42124/diego_ma},
  howpublished = {\myurl{http://www.dat.ruc.dk/\~{}henning/chrg/CHRGusersGuide.html}},
  interhash = {b8da5359a987505b4d814e56b244bc61},
  intrahash = {8ff465d7bd9b7c9df5a943dff1d42124},
  keywords = {constraint_programming grammar prolog},
  month = {November},
  note = {Visited 28 August 2003},
  timestamp = {2007-12-14T02:37:23.000+0100},
  title = {User's Guide to CHR Grammars},
  url = {http://www.dat.ruc.dk/\~{}henning/chrg/CHRGusersGuide.html},
  year = 2002
}