Big Data and precision agriculture: a novel spatio-temporal semantic IoT data management framework for improved interoperability

Journal of Big Data

Table 4 RDF mapping graph

SELECT * WHERE {?subject ?predicate ?object}
PREFIX sosa:	https://www.w3.org/ns/sosa/
PREFIX qudt:	https://qudt.org/schema/qudt/
PREFIX owl:	https://www.w3.org/2002/07/owl#
PREFIX afc:	https://w3id.org/afarcloud/
PREFIX afc:	https://www.w3.org/2006/time#