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This page pertains to UD version 2.

UD Latvian LVTB

Language: Latvian (code: lv)
Family: Indo-European, Baltic

This treebank has been part of Universal Dependencies since the UD v1.3 release.

The following people have contributed to making this treebank part of UD: Lauma Pretkalniņa, Laura Rituma, Baiba Saulīte, Gunta Nešpore-Bērzkalne, Normunds Grūzītis.

Repository: UD_Latvian-LVTB
Search this treebank on-line: PML-TQ
Download all treebanks: UD 2.2

License: CC BY-NC-SA 4.0

Genre: news, fiction, legal, spoken, academic

Questions, comments? General annotation questions (either Latvian-specific or cross-linguistic) can be raised in the main UD issue tracker. You can report bugs in this treebank in the treebank-specific issue tracker on Github. If you want to collaborate, please contact [lauma (æt) ailab • lv, normunds (æt) ailab • lv]. Development of the treebank happens outside the UD repository. If there are bugs, either the original data source or the conversion procedure must be fixed. Do not submit pull requests against the UD repository.

Annotation Source
Lemmas annotated manually, natively in UD style
UPOS annotated manually in non-UD style, automatically converted to UD
XPOS annotated manually
Features annotated manually in non-UD style, automatically converted to UD
Relations annotated manually in non-UD style, automatically converted to UD

Description

Latvian UD Treebank is based on Latvian Treebank (LVTB), being created at University of Latvia, Institute of Mathematics and Computer Science, Artificial Intelligence Laboratory.

Latvian UD Treebank v2.3 consists of 9,920 sentences (152,706 tokens), and it has been obtained by automatic conversion of both the morphological and the syntactic annotations of the original LVTB treebank. LVTB data contains manually verified syntactic annotation according to a hybrid dependency-constituency schema, as well as manually verified morphological tags and lemmas.

Acknowledgments

This work is supported by European Regional Development Fund under the grant agreement No. 1.1.1.1/16/A/219 (Full Stack of Language Resources for Natural Language Understanding and Generation in Latvian, data). The pilot project was supported by State Research Programme “National Identity”.

Statistics of UD Latvian LVTB

POS Tags

ADJADPADVAUXCCONJDETINTJNOUNNUMPARTPRONPROPNPUNCTSCONJSYMVERBX

Features

AbbrAspectCaseDefiniteDegreeEvidentForeignGenderMoodNumberNumTypePersonPolarityPossPronTypeReflexTenseVerbFormVoice

Relations

acladvcladvmodamodapposauxaux:passcaseccccompcompoundconjcopcsubjcsubj:passdepdetdiscoursefixedflatflat:foreignflat:namegoeswithiobjmarknmodnsubjnsubj:passnummodobjoblorphanparataxispunctrootvocativexcomp

Tokenization and Word Segmentation

Morphology

Tags

Nominal Features

Degree and Polarity

Verbal Features

Pronouns, Determiners, Quantifiers

Other Features

Syntax

Auxiliary Verbs and Copula

Core Arguments, Oblique Arguments and Adjuncts

Here we consider only relations between verbs (parent) and nouns or pronouns (child).

Verbs with Reflexive Core Objects

Relations Overview