## 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
s4agri | <https://w3id.org/def/saref4agri>
def | <https://w3id.org/def>
owl | <http://www.w3.org/2002/07/owl>
saref | <https://w3id.org/saref>
xsd | <http://www.w3.org/2001/XMLSchema>
skos | <http://www.w3.org/2004/02/skos/core>
rdfs | <http://www.w3.org/2000/01/rdf-schema>
people | <http://w3id.org/people>
om-1-6 | <http://www.wurvoc.org/vocabularies/om-1.6>
rdf | <http://www.w3.org/1999/02/22-rdf-syntax-ns>
rdflicense | <http://purl.org/NET/rdflicense>
terms | <http://purl.org/dc/terms>
wgs84_pos | <http://www.w3.org/2003/01/geo/wgs84_pos>
time | <http://www.w3.org/2006/time>
v1 | <https://w3id.org/def/v1>
vann | <http://purl.org/vocab/vann>
prov | <http://www.w3.org/ns/prov>
foaf | <http://xmlns.com/foaf/0.1>
dc | <http://purl.org/dc/elements/1.1>