// A RDFAnnotationParser can modify a contextObject which is an Annotation instance.
// The annotation element can contain other attributes. Try to read them.
if (contextObject instanceof Annotation) {
Annotation modelAnnotation = (Annotation) contextObject;
isReadAttribute = modelAnnotation.readAttribute(attributeName, prefix, value);
}
// A RDFAnnotationParser can modify a contextObject which is an ModelHistory instance.
// When this parser is parsing the model history, some rdf attributes can appear. Try to
// read them.
else if (contextObject instanceof History) {