Metaglossia: The Translation World
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Metaglossia: The Translation World
News about translation, interpreting, intercultural communication, terminology and lexicography - as it happens
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LINGUIST List 23.4694: Software: Computational Linguistics, Text/Corpus Linguistics: brat rapid annotation tool v1.3 (Crunchy Frog)

Dear colleagues,

We are proud to announce brat v1.3 (Crunchy Frog), an open-source (MIT),
browser-based tool for text annotation. The tool is available from:

And examples of past and potential usages presented at:

brat is a general-purpose tool for the visualisation and creation of
annotations for tasks such as entity mention annotation, relation and event
annotation, dependency syntactic annotation, and others. The new version
introduces many new features to the tool, including:

-Entity normalisation / linking / grounding support:

-Supporting embedded visualisations for web pages and web-based applications:

-Discontinuous text annotations

-In-built annotation tutorials and additional example corpora

-New annotation comparison functionality

-A fast, easy-to-use standalone server (experimental)

For details, please see:

If you want to upgrade an existing installation, please see:

brat is developed as a collaborative effort between several research groups as
an open source and open development project, and we warmly welcome
contributions and participation from the community. Possible contributions are
not limited to code, but also include feature requests, bug reports and more.

Since its initial release, brat has been adopted for use in corpus
annotation and other tasks by various groups. We hope this new version
will be as well received as the initial release of the tool, and will
gladly answer questions and welcome any feedback.

Additional information:

The new normalisation features were presented in:

Stenetorp et al. Normalisation with the brat rapid annotation tool
In proceedings of SMBM'12!
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