An object used for connecting an RDF statement to an annotated object. An Annotation object used for annotating Web sites An Annotation object used for annotating SiteDescription objects, and indicating whether they have been found to be 'Valid', 'Invalid', 'Not yet checked', or 'Cannot say'. An Annotation object used for annotating Validation objects, to provide further explanation for the Validation object's statement A person who creates Annotations A person who is responsible for the content of a Web site. Publisher's are able to create SiteDescriptions A person who is able to evaluate the content of a Web site or validate any SiteDescriptions made by a Publisher Indicates a person who is creating an Annotation Indicates the resource being annotated by an Annotation Date on which the Annotation is made Indicates the RDF statement made by the Annotation This predicate is used in Statements 'stated' by Validation annotations. The subject of the statement will be a SiteDescription annotation. This predicate is used in Statements 'stated' by Comment annotations. The subject of the statement will be a Validation annotation.