Universal Conceptual Cognitive Annotation

UCCA is a linguistic framework for semantic annotation, whose details are available at the following paper:

  author={Abend, Omri  and  Rappoport, Ari},
  title={{U}niversal {C}onceptual {C}ognitive {A}nnotation ({UCCA})},
  booktitle={Proc. of ACL},

This Python 3 package provides an API to the UCCA annotation and tools to manipulate and process it. Its main features are conversion between different representations of UCCA annotations, and rich objects for all of the linguistic relations which appear in the theoretical framework (see core, layer0, layer1 and convert modules under the ucca package).

The scripts package contains various utilities for processing passage files.

To parse text to UCCA graphs, use TUPA, the UCCA parser.



This package is licensed under the GPLv3 or later license.

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For more information about how to use this library, see the API Documentation.


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