OLAC Record
oai:www.ldc.upenn.edu:LDC2006T01

Metadata
Title:Prague Dependency Treebank 2.0
Access Rights:Licensing Instructions for Subscription & Standard Members, and Non-Members: http://www.ldc.upenn.edu/language-resources/data/obtaining
Bibliographic Citation:Hajič, Jan , et al. Prague Dependency Treebank 2.0 LDC2006T01. Web Download. Philadelphia: Linguistic Data Consortium, 2006
Contributor:Hajič, Jan
Panevová, Jarmila
Hajičová, Eva
Sgall, Petr
Pajas, Petr
Štěpánek, Jan
Havelka, Jiří
Mikulová, Marie
Žabokrtský, Zdeněk
Ševčíková-Razímová, Magda
Urešová, Zdeňka
Date (W3CDTF):2006
Date Issued (W3CDTF):2006-07-21
Description:*Introduction* The Prague Dependency Treebank 2.0 (PDT 2.0) was developed by Charles University and contains approximately 2 million words of Czech text with complex and interlinked morphological, syntactic, and complex semantic annotation. In addition, certain properties of sentence information structure and coreference relations are annotated at the semantic level. PDT 2.0 follows Prague Dependency Treebank 1.0 (LDC2001T10) and is based on the long-standing Praguian linguistic tradition, adapted for the current Computational Linguistics research needs. The corpus itself uses the latest annotation technology. Software tools for corpus search, annotation, and language analysis are included. Extensive documentation (in English) is provided as well. *Data* The data in this corpus comes from four sources: * Lidové Noviny (daily newspapers), 1991, 1994, 1995 * Mladá Fronta Dnes (daily newspapers), 1992 * Českomoravský Profit (business weekly), 1994 * Vesmír (scientific journal), 1992, 1993 The texts in electronic form have been provided by the Institute of the Czech National Corpus. The data in PDT 2.0 are annotated on three layers—the morphological layer, analytical layer, and tectogrammatical layer. The following table shows the breakdown by annotation layer and source of data amounts in K-words (thousands of words). Each subsequent layer is additive, so everything that was annotated at the a-layer was also annotated at the m-layer, and everything annotated at the t-layer was also annotated at the other two layers. Layer Lidové Noviny Mladá Fronta Dnes Českomoravský Profit Vesmír Total m-layer 1,235 373 171 178 1,957 a-layer 920 234 171 178 1,504 t-layer 640 119 74 0 833 The primary data format for PDT 2.0 is an XML6-based format called PML. A SGML-based format, called CSTS, has been the primary format of PDT 1.0. It is now used only as an intermediate format in older NLP tools (such as taggers and parsers). As usual, the data are divided into three groups: the training data, the development test data and the evaluation test data. The training data cover approximately 80%, development 10% and evaluation 10% of the whole set of data (these proportions hold for all the three layers of annotation). *Samples* For an example of the data in this corpus, please view these samples. *Updates* None at this time.
Extent:Corpus size: 515072 KB
Identifier:LDC2006T01
https://catalog.ldc.upenn.edu/LDC2006T01
ISBN: 1-58563-370-4
ISLRN: 942-053-729-014-3
DOI: 10.35111/e6p0-9s32
Language:Czech
Language (ISO639):ces
License:Prague Dependency Treebank 2.0: https://catalog.ldc.upenn.edu/license/prague-dependency-treebank-2.pdf
Medium:Distribution: Web Download
Publisher:Linguistic Data Consortium
Publisher (URI):https://www.ldc.upenn.edu
Relation (URI):https://catalog.ldc.upenn.edu/docs/LDC2006T01
Rights Holder:Portions © 1991, 1994,1995 Lidové noviny daily newspapers, © 1992 Mladá fronta Dnes daily newspapers, © 1994 Ceskomoravský Profit business weekly, © 1992-1993 Vesmír scientific magazine, Academia Publishers, © 1996-2005 Institute of Formal and Applied Linguistics and Center for Computational Linguistics, Faculty of Mathematics and Physics, Charles University, © 2006 Trustees of the University of Pennsylvania
Type (DCMI):Text
Type (OLAC):lexicon
primary_text

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DateStamp:  2021-04-16
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Citation: Hajič, Jan; Panevová, Jarmila; Hajičová, Eva; Sgall, Petr; Pajas, Petr; Štěpánek, Jan; Havelka, Jiří; Mikulová, Marie; Žabokrtský, Zdeněk; Ševčíková-Razímová, Magda; Urešová, Zdeňka. 2006. Linguistic Data Consortium.
Terms: area_Europe country_CZ dcmi_Text iso639_ces olac_lexicon olac_primary_text


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