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user:zeman:treebanks:tr [2012/03/22 20:57]
zeman Sample. |
user:zeman:treebanks:tr [2012/03/22 21:25]
zeman Parsing. |
| * Principal publications | * Principal publications |
| * Kemal Oflazer, Bilge Say, Dilek Zeynep Hakkani-Tür, Gökhan Tür: Building a Turkish Treebank. In: Anne Abeillé (ed.): Building and Exploiting Syntactically Annotated Corpora. Kluwer Academic Publishers, 2003. | * Kemal Oflazer, Bilge Say, Dilek Zeynep Hakkani-Tür, Gökhan Tür: Building a Turkish Treebank. In: Anne Abeillé (ed.): Building and Exploiting Syntactically Annotated Corpora. Kluwer Academic Publishers, 2003. |
| * Nart B. Atalay, Kemal Oflazer, Bilge Say: The Annotation Process in the Turkish Treebank. In: Proceedings of the EACL Workshop on Linguistically Interpreted Corpora – LINC. Budapest, Hungary, 2003. | * Nart B. Atalay, Kemal Oflazer, Bilge Say: [[http://aclweb.org/anthology-new/W/W03/W03-2405.pdf|The Annotation Process in the Turkish Treebank]]. In: Proceedings of the EACL Workshop on Linguistically Interpreted Corpora – LINC. Budapest, Hungary, 2003. |
| * Documentation | * Documentation |
| * Three PDF files are attached to the CoNLL version in the ''doc'' folder: ttbankkl.pdf (the chapter from Anne Abeillé, contains list of morphological tags), turkishtreebank.pdf (the paper from the EACL workshop) and user_guide.pdf (annotation manual for dependencies, in Turkish). | * Three PDF files are attached to the CoNLL version in the ''doc'' folder: ttbankkl.pdf (the chapter from Anne Abeillé, contains list of morphological tags), turkishtreebank.pdf (the paper from the EACL workshop) and user_guide.pdf (annotation manual for dependencies, in Turkish). |
| ==== Inside ==== | ==== Inside ==== |
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| The original Szeged Treebank is a phrase-based treebank and it is distributed in XML-based, TEI-compliant format. The CoNLL 2007 version is dependency-based (i.e. the head of each phrase was identified), distributed in the CoNLL 2006/2007 format. | The original METU-Sabanci Treebank is distributed in XML-based, TEI-compliant format. The CoNLL 2007 version is distributed in the [[:format-conll|CoNLL 2006/2007 format]]. |
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| Morphological annotation includes lemmas. Morphosyntactic tags were probably disambiguated manually. The tagset used in SzTB seems to be same or similar to [[http://nl.ijs.si/ME/V4/msd/html/msd-hu.html|Multext-East]]. In the CoNLL version, tags were decomposed into CPOS column, POS column and the list of feature-value pairs in the FEAT column. | Morphological annotation includes lemmas. Morphosyntactic tags were probably disambiguated manually. |
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| Personal names have been collapsed into one token, using underscore as the joining character (e.g. Torgyán_József). | There are special derivational nodes. Derived words have been split into several tokens (see also the sample below). |
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| ==== Sample ==== | ==== Sample ==== |
| ==== Parsing ==== | ==== Parsing ==== |
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| SzTB is a mildly nonprojective treebank. 4032 of the 139,143 tokens of the CoNLL 2007 version are attached nonprojectively (2.9%). | Nonprojectivity rate in METU-Sabanci is relatively high. 3716 of the 69695 tokens of the CoNLL 2007 version are attached nonprojectively (5.33%). |
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| 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 Hungarian: | 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 Turkish: |
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| ^ Parser (Authors) ^ LAS ^ UAS ^ | ^ Parser (Authors) ^ LAS ^ UAS ^ |
| | Malt (Nilsson et al.) | 80.27 | 83.55 | | | Titov et al. | 79.81 | 86.22 | |
| | Sagae | 79.53 | 83.51 | | | Malt (Nilsson et al.) | 79.79 | 85.77 | |
| | Nakagawa | 76.74 | 82.49 | | | Nakagawa | 78.22 | 85.77 | |
| | Titov et al. | 77.94 | 82.18 | | | Keith Hall | 77.42 | 85.18 | |
| | | Malt (Johan Hall) | 79.24 | 85.04 | |
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| 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]]. | 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]]. |
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