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.gitignore removed test from gitignore May 24, 2017 Updated Jul 9, 2018
LICENSE.txt Contributors and license. Sep 15, 2016 Added required information to README. Apr 21, 2018
eval.log Updated treebank evaluation. May 10, 2019
stats.xml Updated statistics. May 10, 2019
vi_vtb-ud-test.conllu UD_Vietnamese has been renamed to UD_Vietnamese-VTB. Apr 1, 2018
vi_vtb-ud-train.conllu UD_Vietnamese has been renamed to UD_Vietnamese-VTB. Apr 1, 2018


The Vietnamese UD treebank is a conversion of the constituent treebank created in the VLSP project (


  • Phuong-Thai Nguyen, Xuan-Luong Vu, Thi-Minh-Huyen Nguyen, Van-Hiep Nguyen, Hong-Phuong Le (2009). Building a Large Syntactically-Annotated Corpus of Vietnamese. In Proceedings of the Third Linguistic Annotation Workshop, ACL-IJCNLP 2009, pp. 182-185, Suntec, Singapore (


  • 2018-04-15 v2.2
    • Repository renamed from UD_Vietnamese to UD_Vietnamese-VTB.
  • 2017-03-01 v2.0
    • Converted to UD v2 guidelines.
  • 2016-11-15 v1.4
    • Initial release in Universal Dependencies.
=== Machine-readable metadata =================================================
Data available since: UD v1.4
License: CC BY-SA 4.0
Includes text: yes
Genre: news
Lemmas: converted from manual
UPOS: converted from manual
XPOS: manual native
Features: converted from manual
Relations: converted from manual
Contributors: Nguyễn Thị, Lương; Hà Mỹ, Linh; Lê Hồng, Phương; Nguyễn Thị Minh, Huyền
Contributing: elsewhere
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