## 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] | <https://w3id.org/def/saref4agri/example1>
owl | <http://www.w3.org/2002/07/owl>
saref | <https://w3id.org/saref>
xsd | <http://www.w3.org/2001/XMLSchema>
rdfs | <http://www.w3.org/2000/01/rdf-schema>
ssn | <http://www.w3.org/ns/ssn>
saref4agri | <https://w3id.org/def/saref4agri>
rdf | <http://www.w3.org/1999/02/22-rdf-syntax-ns>
om-2 | <http://www.ontology-of-units-of-measure.org/resource/om-2>
wgs84_pos | <http://www.w3.org/2003/01/geo/wgs84_pos>
time | <http://www.w3.org/2006/time>
dc | <http://purl.org/dc/elements/1.1>
sosa | <http://www.w3.org/ns/sosa>