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Institute for Natural Language Processing

LoPar

 
  LoPar is an implementation of a parser for head-lexicalised probabilistic context-free grammars (see Carroll/Rooth).

LoPar can be used for

  • symbolic parsing with a context-free grammar (CFG)
  • statistical parsing with PCFGs and head-lexicalised PCFGs
  • training of PCFGs and HLPCFGs
  • Viterbi parsing
  • chunking
  • tagging
  • and more

You can download LoPar as a gzip-compressed tar file for either Sun/Solaris or Intel/Linux platforms. LoPar may be freely used for education, research and other non-commercial purposes. More information on LoPar can be found in this paper.



Please send comments, suggestions and bug reports to me (Helmut Schmid) at the address FirstName.LastName@ims.uni-stuttgart.de.