## 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
[Ontology NS Prefix] | <http://ontology.tno.nl/examples/saref4agri-ex1>
def | <http://w3id.org/def>
owl | <http://www.w3.org/2002/07/owl>
saref1 | <https://w3id.org/saref>
saref | <http://w3id.org/saref>
xsd | <http://www.w3.org/2001/XMLSchema>
schema-org | <https://schema.org>
rdfs | <http://www.w3.org/2000/01/rdf-schema>
ssn | <http://www.w3.org/ns/ssn>
geosparql | <http://www.opengis.net/ont/geosparql>
om-1-8 | <http://www.wurvoc.org/vocabularies/om-1.8>
saref4agri | <http://w3id.org/def/saref4agri>
examples | <http://ontology.tno.nl/examples>
rdf | <http://www.w3.org/1999/02/22-rdf-syntax-ns>
time | <http://www.w3.org/2006/time>
obo | <http://purl.obolibrary.org/obo>