Extracts image annotations created using the Image Annotator gadget
The RDF produced uses the W3C Media Fragments 1.0 to identify parts of
an image: http://www.w3.org/TR/2012/REC-media-frags-20120925/
Datasets generated by this extractor.
Datasets generated by this extractor. Used for serialization. If a mapping implementation
does not return all datasets it produces, serialization may fail.
Extract image annotations from a particular page
The subject URI of the generated triples
A graph holding the extracted data
when extractor needs some finalization
when extractor has a pre-phase