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GrAF support? #2

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spyysalo opened this issue Oct 8, 2014 · 1 comment

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spyysalo commented Oct 8, 2014

See http://www.americannationalcorpus.org/graf-wiki, http://www.anc.org/images/GrafDataModel.png, http://aclweb.org/anthology/W/W07/W07-1501.pdf

Collaborator Author

spyysalo commented Oct 8, 2014

Some related apparent limitations in the current design:

relations (deps) cannot have features
two nodes (tokens) can at most be connected by one relation of each type
features (tags) can't have "proper" values (e.g. INT allowing "greater than" comparison)

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