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LINGUIST List 19.1565

Thu May 15 2008

FYI: New Release of the TueBa-D/Z German Treebank

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        1.    Kathrin Beck, New Release of the TueBa-D/Z German Treebank


Message 1: New Release of the TueBa-D/Z German Treebank
Date: 14-May-2008
From: Kathrin Beck <kathrin.beckuni-tuebingen.de>
Subject: New Release of the TueBa-D/Z German Treebank
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The Division of Computational Linguistics at the Seminar fuer Sprachwissenschaft
of the University of Tuebingen (Germany) is happy to announce the release a
referentially and syntactically annotated German corpus:

* The Tuebingen Treebank of Written German (TueBa-D/Z) - fourth release

The TueBa-D/Z treebank is a manually annotated German newspaper corpus based on
data taken from the daily issues of the 'die tageszeitung'. It currently
comprises approximately 36 000 sentences (ca. 640 000 words).

The syntactic annotation scheme of the TueBa-D/Z distinguishes four levels of
syntactic constituency: the lexical level, the phrasal level, the level of
topological fields, and the clausal level. In addition to constituent
structure, annotated trees contain edge labels between nodes which encode
grammatical functions. Words are annotated with inflectional morphology at the
lexical level.

The treebank is available in 3 different formats:
* NEGRA export format
* XML format
* Penn Treebank format

Currently, about 36 000 sentences of the treebank (about 1 700 articles) have
been enriched with anaphoric and coreference relations referring to nominal and
pronominal antecedents. Linking relations include: coreferential (two NPs refer
to the same extralinguistic referent), anaphoric/cataphoric (a definite pronoun
refers to a contextual antecedent) and other relations (split-antecedent,
instance) as well as marking of expletive pronouns.

The referential annotation is available in a unified representation of syntactic
and referential information, in the NEGRA Export and XML formats.

What is new in the fourth release:

- about 9 000 additional sentences
- about 600 more articles with referential annotation
- cleaner versions of the trees published in the third release

The license for TueBa-D/Z is granted free of charge for scientific use.
For more information, please refer to:
http://www.sfs.uni-tuebingen.de/de_tuebadz.shtml
http://www.sfs.uni-tuebingen.de/en_tuebadz.shtml

With best regards,

Erhard W. Hinrichs
Kathrin Beck
Yannick Versley
Holger Wunsch
Heike Zinsmeister



Linguistic Field(s): Computational Linguistics
Discourse Analysis
Syntax
Text/Corpus Linguistics

Subject Language(s): German, Standard (deu)
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