Universal Dependencies Dataset

The Universal Dependencies (UD) project seeks to develop cross-linguistically consistent treebank annotation of morphology and syntax for multiple languages. The first version of the dataset was released in 2015 and consisted of 10 treebanks over 10 languages. Version 2.7 released in 2020 consists of 183 treebanks over 104 languages. The annotation consists of UPOS (universal part-of-speech tags), XPOS (language-specific part-of-speech tags), Feats (universal morphological features), Lemmas, dependency heads and universal dependency labels.

Source: Evaluating Contextualized Embeddings on 54 Languagesin POS Tagging, Lemmatization and Dependency Parsing

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Benchmarks

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Task	Dataset Variant	Best Model
Dependency Parsing	Universal Dependencies	UDPipe 2.0 + mBERT + FLAIR
Part-Of-Speech Tagging	UD	BiLSTM-LAN
LEMMA	UD Danish DDT	da_dacy_large_trf-0.2.0
Cross-lingual zero-shot dependency parsing	Universal Dependency Treebank	Cross-Lingual ELMo
LABELED_DEPENDENCIES	UD Danish DDT	da_dacy_large_trf-0.2.0
SENTS	UD Danish DDT	da_dacy_large_trf-0.2.0
TAG	UD Danish DDT	da_dacy_large_trf-0.2.0
POS	UD Danish DDT	da_dacy_large_trf-0.2.0
MORPH	UD Danish DDT	da_dacy_large_trf-0.2.0
UNLABELED_DEPENDENCIES	UD Danish DDT	da_dacy_large_trf-0.2.0
Cross-Lingual POS Tagging	Universal Dependency Treebank	SEAL-Shap
Language Identification	Universal Dependencies	Apple bi-LSTM