Joe Andrieu wrote:
Are there any open source annotators people would recommend for integrating with UIMA?
One manual annotation tool that is open source is Knowtator (which is licensed under MPL 1.1). As I understand it, Knowtator is intended for manual annotation entities and relationships in text. It is a layer on top of the Protégé open source ontology editor. I'm not really familiar enough with Knowtator to explicitly recommend it. Considering its stated goals and the framework that it was developed on, it seems like it might be particularly well suited to enabling manual annotations for relatively elaborate type systems that have a lot of structure and many common relation annotation types. The flip side is that it may be overkill for the (more common) task of marking up instances of a flat list of named-entity types. In any event, my point here is just that anyone who is thinking of building a mapping from an open source manual annotation tool to UIMA may want to consider Knowtator, especially if they are interested in a lot of expressive power.
