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user:zeman:treebanks:ru [2012/01/13 21:39]
zeman Inside. 		user:zeman:treebanks:ru [2012/01/13 21:48]
zeman
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 ==== Parsing ==== ==== Parsing ====
  
-BDT is a mildly nonprojective treebank. 1925 of the 151,604 tokens of combined BDT-II training and test sets are attached nonprojectively (1.27%).+Nonprojectivities in SynTagRus are not frequent. Only 4146 of the 497,465 tokens are attached nonprojectively (0.83%).
  
-The results of the CoNLL 2007 shared task are [[http://nextens.uvt.nl/depparse-wiki/AllScores|available online]]. They have been published in [[http://aclweb.org/anthology-new/D/D07/D07-1096.pdf|(Nivre et al., 2007)]]. The evaluation procedure was changed to include punctuation tokens. These are the best results for Basque:+Parsing results have been published by [[http://aclweb.org/anthology-new/C/C08/C08-1081.pdf|Nivre, Boguslavsky and Iomdin (2008)]]:
  
-^ Parser (Authors) ^ LAS ^ UAS ^ +^ Parser ^ LAS ^ UAS ^ 
-| Malt (Nilsson et al.) | 76.94 | 82.84 | +| Malt | 82.3 | 89.1 |
-| Titov et al. | 75.49 | 81.93 | +
-| Sagae | 74.64 | 81.19 | +
-| Carreras | 75.75 | 81.11 | +
-| Nakagawa | 72.56 | 81.04 | +
-| Malt (J. Hall et al.) | 74.99 | 80.61 | +
-| Johansson et al. | 75.08 | 80.43 |+
  
-The two Malt parser results of 2007 (single malt and blended) are described in [[http://aclweb.org/anthology-new/D/D07/D07-1097.pdf|(Hall et al., 2007)]] and the details about the parser configuration are described [[http://w3.msi.vxu.se/users/jha/conll07/|here]]. 
- 
-Parsing results on BDT-II have been published in Kepa Bengoetxea, Koldo Gojenola: [[http://aclweb.org/anthology-new/W/W10/W10-1404.pdf|Application of Different Techniques to Dependency Parsing of Basque]]. In: Proceedings of the First Workshop on Statistical Parsing of Morphologically Rich Languages (SPMRL 2010), NAACL Workshop, Los Angeles, California, USA, 2010. They report only Labeled Attachment Score (LAS) and their best system achieved LAS = 78.98%. 

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