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Welcome to

Treebank Semantics —
Meaning Representations from Treebanks

What is Treebank Semantics?

Treebank Semantics is an implemented system that automatically derives meaning representations of quality from treebank annotations. The central component is a system of calculation for a small formal language with respect to a structured information state. Inputs to the system are expressions of the formal language obtained from the conversion of parsed treebank data. Outputs are predicate logic based meaning representations. There is documentation that describes the approach and implementation in detail.

The system is distributed freely.

To see ready made examples, web based interfaces are provided to the following parsed corpora:

These parsed corpora provide a testing ground for the system, with meaning representations built automatically by the system from treebank files.

There is also an online demo that you are welcome to try.


Development is funded by the Japan Society for the Promotion of Science (JSPS) (KAKENHI-PROJECT-19K00541), and the National Institute for Japanese Language and Linguistics (Development of and Linguistic Research with a Parsed Corpus of Japanese Project).

Previously, project funding came from the Japan Science and Technology Agency (JST) (Synthesis of Knowledge for Information Oriented Society), and the Japan Society for the Promotion of Science (JSPS) (KAKENHI-PROJECT-15K02469).


Feedback is extremely welcome. Please email: ajb129 __AT__ hotmail __DOT__ com.

Last updated: July 08, 2019