The Keyaki Treebank

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The Keyaki Treebank is a parsed corpus that aims to instantiate a coherent descriptive grammar of the Japanese language, allowing searches for a wide variety of grammatical phenomena.

We hope this resource offers a useful foundation for research into understanding and processing Japanese.

What's new?

• Updated release (version 1.1, March 2018) of the corpus data and manual.
• All future work on the Keyaki Treebank continues as the NPCMJ (NINJAL Parsed Corpus of Modern Japanese)

Highlights include:

• Bracketed constituent structure
• Assignments of grammatical role and function
• Zero elements