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
owl<http://www.w3.org/2002/07/owl#>
rdf<http://www.w3.org/1999/02/22-rdf-syntax-ns#>
terms<http://purl.org/dc/terms/>
xsd<http://www.w3.org/2001/XMLSchema#>
rdfs<http://www.w3.org/2000/01/rdf-schema#>
vann<http://purl.org/vocab/vann/>
ontology<http://geo.linkeddata.es/ontology/>
otalex<http://vocab.linkeddata.es/datosabiertos/def/medio-ambiente/otalex#>