1:- module(sosa,
    2          [
    3
    4           ]).    5
    6:- rdf_register_prefix(sosa, 'http://www.w3.org/ns/sosa/').    7:- rdf_register_prefix(ssn, 'http://www.w3.org/ns/ssn/').    8:- rdf_register_prefix(wgs84, 'http://www.w3.org/2003/01/geo/wgs84_pos#').    9:- rdf_register_prefix(example, 'http://example.org/data/').