## 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>
owl | <http://www.w3.org/2002/07/owl>
saref | <https://w3id.org/saref>
wgs84_pos | <http://www.w3.org/2003/01/geo/wgs84_pos>
time | <http://www.w3.org/2006/time>