Release of brat rapid annotation tool
2012-02-15
We are pleased to announce the release of the brat rapid annotation tool, a free, open-source, web-based tool for text annotation visualisation and editing.
brat is fully configurable and can support a wide variety of annotation tasks, including, for example:
- entity mention ("named entity") annotation
- binary relation annotation
- dependency syntactic annotation
- structured, n-ary event annotation
- attribute/meta-knowledge annotation (e.g. negation, speculation, etc.)
The tool also provides annotation support features such as text and annotation search with detailed constraints, keyword-in-context concordancing, and integrated configurable checking of task-specific semantic constraints.
brat is developed as a collaborative effort between several research groups as an open source project (MIT license), and we warmly welcome contributions and participation from the community, including feature requests.
We hope this tool will prove valuable to the natural language processing community, and will gladly answer questions and welcome any feedback.
brat will be presented in the EACL 2012 system demonstration session:
Stenetorp et al., brat: a Web-based Tool for NLP-Assisted Text Annotation
the brat developers:
Pontus Stenetorp (Aizawa lab, University of Tokyo)
Goran Topić (Tsujii lab, University of Tokyo)
Sampo Pyysalo (NaCTeM and University of Manchester)
Tomoko Ohta (Tsujii lab, University of Tokyo)
brat development is supported by:
Aizawa laboratory, University of Tokyo
Tsujii laboratory, University of Tokyo
NaCTeM and University of Manchester
More information...
http://www.nactem.ac.uk/brat-annotation/
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