Introduction back to ToC

This is a place holder text for the introduction. The introduction should briefly describe the ontology, its motivation, state of the art and goals.

Namespace declarations

Table 1: Namespaces used in the document
dhoh<http://digitalheraldry.org/digital-heraldry-ontology/heraldry#>
owl<http://www.w3.org/2002/07/owl>
rdf<http://www.w3.org/1999/02/22-rdf-syntax-ns>
xml<http://www.w3.org/XML/1998/namespace>
xsd<http://www.w3.org/2001/XMLSchema>
dcterms<http://purl.org/dc/terms>
rdfs<http://www.w3.org/2000/01/rdf-schema>
vann<http://purl.org/vocab/vann>