NP Chunking (State of the art)

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! Main publications
 
! Main publications
 
! Software
 
! Software
! Results (F)
+
! Reports (F)
 
|-
 
|-
 
| KM00
 
| KM00
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| No
 
| No
 
| 94.29%
 
| 94.29%
 +
|-
 +
| V06
 +
| Conditional random fields + Stochastic Meta Decent (SMD)
 +
| S. V. N. Vishwanathan, Nicol N. Schraudolph, Mark Schmidt, and Kevin Murphy (2006), ICML
 +
| No
 +
| 93.6%
 
|-
 
|-
 
| S08
 
| S08
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| 94.34%
 
| 94.34%
 
|-
 
|-
 +
| C00
 +
| Chunks from the Charniak Parser
 +
| Hollingshead, Fisher and Roark (2005), Charniak (2000)
 +
| ?
 +
| 94.20%
 
|}
 
|}
  
 
== References ==
 
== References ==
  
Kudo, T., and Matsumoto, Y. (2000). [http://acl.ldc.upenn.edu/W/W00/W00-0730.pdf Use of support vector learning for chunk identification]. ''Proceedings of the 4th Conference on CoNLL-2000 and LLL-2000'', pages 142-144, Lisbon, Portugal.
+
E. Charniak (2000). [http://aclweb.org/anthology-new/A/A00/A00-2018.pdf A Maximum-Entropy inspired parser], NAACL 2000
  
Kudo, T., and Matsumoto, Y. (2001). [http://acl.ldc.upenn.edu/N/N01/N01-1025.pdf Chunking with support vector machines]. ''Proceedings of NAACL-2001''.
+
K. Hollingshead, S. Fisher and B. Roark (2005). [http://www.aclweb.org/anthology-new/H/H05/H05-1099.pdf Comparing and combining finite-state and context-free parsers.]  HLT/EMNLP 2005.
 +
 
 +
T. Kudo and Y. Matsumoto (2000). [http://acl.ldc.upenn.edu/W/W00/W00-0730.pdf Use of support vector learning for chunk identification]. ''Proceedings of the 4th Conference on CoNLL-2000 and LLL-2000'', pages 142-144, Lisbon, Portugal.
 +
 
 +
T. Kudo and Y. Matsumoto (2001). [http://acl.ldc.upenn.edu/N/N01/N01-1025.pdf Chunking with support vector machines]. ''Proceedings of NAACL-2001''.
  
 
F. Sha and F. Pereira (2003). [http://www-rcf.usc.edu/~feisha/htmls/Papers.html Shallow Parsing with Conditional Random Fields]. ''Proceedings of HLT-NAACL 2003'', pages 213-220. Edmonton, Canada.
 
F. Sha and F. Pereira (2003). [http://www-rcf.usc.edu/~feisha/htmls/Papers.html Shallow Parsing with Conditional Random Fields]. ''Proceedings of HLT-NAACL 2003'', pages 213-220. Edmonton, Canada.
  
Shen, H., and Sarkar, A. (2005). [http://www.cs.sfu.ca/~anoop/papers/pdf/ai05.pdf Voting between multiple data representations for text chunking]. ''Proceedings of the Eighteenth Meeting of the Canadian Society for Computational Intelligence, Canadian AI 2005''.
+
H. Shen and A. Sarkar (2005). [http://www.cs.sfu.ca/~anoop/papers/pdf/ai05.pdf Voting between multiple data representations for text chunking]. ''Proceedings of the Eighteenth Meeting of the Canadian Society for Computational Intelligence, Canadian AI 2005''.
  
 
R. McDonald, K. Crammer and F. Pereira (2005). [http://ryanmcd.googlepages.com/segmentationHLT-EMNLP2005.pdf Flexible Text Segmentation with Structured Multilabel Classification]. ''Human Language Technologies and Empirical Methods in Natural Language Processing (HLT-EMNLP), 2005''  
 
R. McDonald, K. Crammer and F. Pereira (2005). [http://ryanmcd.googlepages.com/segmentationHLT-EMNLP2005.pdf Flexible Text Segmentation with Structured Multilabel Classification]. ''Human Language Technologies and Empirical Methods in Natural Language Processing (HLT-EMNLP), 2005''  
 +
 +
S. V. N. Vishwanathan, N. Schraudolph, M. Schmidt, and K. Murphy. Accelerated Training Conditional Random Fields with Stochastic Gradient Methods. In Proc. Intl. Conf. Machine Learning, pp. 969 – 976, ACM Press, New York, NY, USA, 2006.
  
 
X. Sun, L.P. Morency, D. OKanohara and J. Tsujii (2008). [http://www.aclweb.org/anthology-new/C/C08/C08-1106.pdf Modeling Latent-Dynamic in Shallow Parsing: A Latent Conditional Model with Improved Inference]. ''Proceedings of The 22nd International Conference on Computational Linguistics (COLING 2008)''. Pages 841-848. Manchester, UK.
 
X. Sun, L.P. Morency, D. OKanohara and J. Tsujii (2008). [http://www.aclweb.org/anthology-new/C/C08/C08-1106.pdf Modeling Latent-Dynamic in Shallow Parsing: A Latent Conditional Model with Improved Inference]. ''Proceedings of The 22nd International Conference on Computational Linguistics (COLING 2008)''. Pages 841-848. Manchester, UK.

Latest revision as of 07:16, 25 June 2012

  • Performance measure: F = 2 * Precision * Recall / (Recall + Precision)
  • Precision: percentage of NPs found by the algorithm that are correct
  • Recall: percentage of NPs defined in the corpus that were found by the chunking program
  • Training data: sections 15-18 of Wall Street Journal corpus (Ramshaw and Marcus)
  • Testing data: section 20 of Wall Street Journal corpus (Ramshaw and Marcus)
  • original data of the NP chunking experiments by Lance Ramshaw and Mitch Marcus
  • data contains one word per line and each line contains six fields of which only the first three fields are relevant: the word, the part-of-speech tag assigned by the Brill tagger, and the correct IOB tag


Contents

Table of results

System name Short description Main publications Software Reports (F)
KM00 B-I-O tagging using SVM classifiers with polynomial kernel Kudo and Matsumoto (2000), CONLL YAMCHA Toolkit (but models are not provided) 93.79%
KM01 learning as in KM00, but voting between different representations Kudo and Matsumoto (2001), NAACL No 94.22%
SP03 Second order conditional random fields Fei Sha and Fernando Pereira (2003), HLT/NAACL No 94.3%
SS05 specialized HMM + voting between different representations Shen and Sarkar (2005) No 95.23%
M05 Second order conditional random fields + multi-label classification Ryan McDonald, KOby Crammer and Fernando Pereira (2005), HLT/EMNLP No 94.29%
V06 Conditional random fields + Stochastic Meta Decent (SMD) S. V. N. Vishwanathan, Nicol N. Schraudolph, Mark Schmidt, and Kevin Murphy (2006), ICML No 93.6%
S08 Second order latent-dynamic conditional random fields + an improved inference method based on A* search Xu Sun, Louis-Philippe Morency, Daisuke Okanohara and Jun'ichi Tsujii (2008), COLING HCRF Library 94.34%
C00 Chunks from the Charniak Parser Hollingshead, Fisher and Roark (2005), Charniak (2000)  ? 94.20%

References

E. Charniak (2000). A Maximum-Entropy inspired parser, NAACL 2000

K. Hollingshead, S. Fisher and B. Roark (2005). Comparing and combining finite-state and context-free parsers. HLT/EMNLP 2005.

T. Kudo and Y. Matsumoto (2000). Use of support vector learning for chunk identification. Proceedings of the 4th Conference on CoNLL-2000 and LLL-2000, pages 142-144, Lisbon, Portugal.

T. Kudo and Y. Matsumoto (2001). Chunking with support vector machines. Proceedings of NAACL-2001.

F. Sha and F. Pereira (2003). Shallow Parsing with Conditional Random Fields. Proceedings of HLT-NAACL 2003, pages 213-220. Edmonton, Canada.

H. Shen and A. Sarkar (2005). Voting between multiple data representations for text chunking. Proceedings of the Eighteenth Meeting of the Canadian Society for Computational Intelligence, Canadian AI 2005.

R. McDonald, K. Crammer and F. Pereira (2005). Flexible Text Segmentation with Structured Multilabel Classification. Human Language Technologies and Empirical Methods in Natural Language Processing (HLT-EMNLP), 2005

S. V. N. Vishwanathan, N. Schraudolph, M. Schmidt, and K. Murphy. Accelerated Training Conditional Random Fields with Stochastic Gradient Methods. In Proc. Intl. Conf. Machine Learning, pp. 969 – 976, ACM Press, New York, NY, USA, 2006.

X. Sun, L.P. Morency, D. OKanohara and J. Tsujii (2008). Modeling Latent-Dynamic in Shallow Parsing: A Latent Conditional Model with Improved Inference. Proceedings of The 22nd International Conference on Computational Linguistics (COLING 2008). Pages 841-848. Manchester, UK.

See also


External links

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