HamleDT 2.0: Thirty Dependency Treebanks Stanfordized

Rudolf Rosa, Jan Mašek, David Mareček, Martin Popel, Daniel Zeman, Zdeněk Žabokrtský

Abstract
We present HamleDT 2.0 (HArmonized Multi-LanguagE Dependency Treebank). HamleDT 2.0 is a collection of 30 existing treebanks harmonized into a common annotation style, the Prague Dependencies, and further transformed into Stanford Dependencies, a treebank annotation style that became popular in recent years. We use the newest basic Universal Stanford Dependencies, without added language-specific subtypes. We describe both of the annotation styles, including adjustments that were necessary to make, and provide details about the conversion process. We also discuss the differences between the two styles, evaluating their advantages and disadvantages, and note the effects of the differences on the conversion. We regard the stanfordization as generally successful, although we admit several shortcomings, especially in the distinction between direct and indirect objects, that have to be addressed in future. We release part of HamleDT 2.0 freely; we are not allowed to redistribute the whole dataset, but we do provide the conversion pipeline.
Anthology ID:
L14-1699
Volume:
Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14)
Month:
May
Year:
2014
Address:
Reykjavik, Iceland
Editors:
Nicoletta Calzolari, Khalid Choukri, Thierry Declerck, Hrafn Loftsson, Bente Maegaard, Joseph Mariani, Asuncion Moreno, Jan Odijk, Stelios Piperidis
Venue:
LREC
SIG:
Publisher:
European Language Resources Association (ELRA)
Note:
Pages:
2334–2341
Language:
URL:
http://www.lrec-conf.org/proceedings/lrec2014/pdf/915_Paper.pdf
DOI:
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Cite (ACL):
Rudolf Rosa, Jan Mašek, David Mareček, Martin Popel, Daniel Zeman, and Zdeněk Žabokrtský. 2014. HamleDT 2.0: Thirty Dependency Treebanks Stanfordized. In Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14), pages 2334–2341, Reykjavik, Iceland. European Language Resources Association (ELRA).
Cite (Informal):
HamleDT 2.0: Thirty Dependency Treebanks Stanfordized (Rosa et al., LREC 2014)
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PDF:
http://www.lrec-conf.org/proceedings/lrec2014/pdf/915_Paper.pdf
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