Universal Dependencies offers open, consistent grammar annotation guidelines and multilingual treebanks for linguistic research and language technology.
Access multilingual grammar datasets and guidelines
Universal Dependencies is a collaborative platform focused on providing consistent grammatical annotation resources for a wide variety of human languages. Here, you can explore detailed guidelines, download annotated datasets (treebanks), and learn about the principles behind universal part-of-speech tagging and syntactic dependencies.
The site is designed for linguists, researchers, and anyone interested in language technology, making it easy to get started with resources like the Short Introduction and comprehensive annotation guidelines. You’ll also find links to tools and documentation that help you work with and contribute to the Universal Dependencies project.
Whether you’re new to linguistic annotation or an experienced researcher, Universal Dependencies offers a rich, community-driven database to support your projects and foster collaboration across the global language research community.
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