Difference between revisions of "Parsing (State of the art)"

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| Collins' Parser
 
| Collins' Parser
 
| Lexicalized PCFG
 
| Lexicalized PCFG
| Collins' Thesis [http://people.csail.mit.edu/mcollins/papers/thesis.ps], Bikel's Thesis [http://www.cis.upenn.edu/~dbikel/papers/thesis.pdf]
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| Collins (1999), Bikel's Thesis [http://www.cis.upenn.edu/~dbikel/papers/thesis.pdf]
| Dan Bikel's Implementation [http://www.cis.upenn.edu/~dbikel/software.html]
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| [http://www.cis.upenn.edu/~dbikel/software.html Dan Bikel's implementation]
 
| ???
 
| ???
 
|  
 
|  
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| Automatically induced PCFG
 
| Automatically induced PCFG
 
| Petrov, Barrett, Thibaux and Klein, ACL 2006 [http://www.eecs.berkeley.edu/~petrov/data/acl06.pdf], Petrov and Klein, NAACL 2007 [http://www.eecs.berkeley.edu/~petrov/data/naacl07.pdf]
 
| Petrov, Barrett, Thibaux and Klein, ACL 2006 [http://www.eecs.berkeley.edu/~petrov/data/acl06.pdf], Petrov and Klein, NAACL 2007 [http://www.eecs.berkeley.edu/~petrov/data/naacl07.pdf]
| Available [http://nlp.cs.berkeley.edu/Main.html#Parsing]
+
| [http://nlp.cs.berkeley.edu/Main.html#Parsing Berkeley Parser]
 
| 90.1%
 
| 90.1%
 
| works well also for Chinese and German
 
| works well also for Chinese and German
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|}
 
|}
  
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 +
Collins, M. (1999). ''[http://people.csail.mit.edu/mcollins/papers/thesis.ps Head-driven statistical models for natural language parsing]''. PhD Thesis, Computer and Information Science, University of Pennsylvania.
  
 
Johnson, M., and Charniak, E. (2005). [http://acl.ldc.upenn.edu/P/P05/P05-1022.pdf Coarse-to-fine n-best parsing and MaxEnt discriminative reranking]. ''Proceedings of the 43rd Annual Meeting of the ACL'', pages 173–180, Ann Arbor, June 2005.
 
Johnson, M., and Charniak, E. (2005). [http://acl.ldc.upenn.edu/P/P05/P05-1022.pdf Coarse-to-fine n-best parsing and MaxEnt discriminative reranking]. ''Proceedings of the 43rd Annual Meeting of the ACL'', pages 173–180, Ann Arbor, June 2005.

Revision as of 11:32, 27 June 2007

  • Performance measure: PARSEVAL - the evalb program
  • Training data: sections 2-22 of Wall Street Journal corpus
  • Testing data: section 23 of Wall Street Journal corpus


System name Short description Main publications Software Results (PARSEVAL) Comments
Johnson & Charniak's Parser Lexicalized N-Best PCFG + Discriminative re-reanking Johnson and Charniak (2005) download 91.4% works well also on Brown
Collins' Parser Lexicalized PCFG Collins (1999), Bikel's Thesis [1] Dan Bikel's implementation  ???
Berkeley Parser Automatically induced PCFG Petrov, Barrett, Thibaux and Klein, ACL 2006 [2], Petrov and Klein, NAACL 2007 [3] Berkeley Parser 90.1% works well also for Chinese and German


Collins, M. (1999). Head-driven statistical models for natural language parsing. PhD Thesis, Computer and Information Science, University of Pennsylvania.

Johnson, M., and Charniak, E. (2005). Coarse-to-fine n-best parsing and MaxEnt discriminative reranking. Proceedings of the 43rd Annual Meeting of the ACL, pages 173–180, Ann Arbor, June 2005.