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Treebank Semantics is an implemented grammar system that converts constituency tree annotations into the structures of a formal language which is then processed against a locally constrained global calculation. Outputs of the calculation are logic based meaning representations. The calculation makes reference to a changing information state that manages the availability of collected discourse referents over an entire discourse. This information state holds content to resolve the interpretation, including the accessibility of antecedents for pronouns, but more pervasively the support for determining predicate valency. 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: October 9, 2019