ties.<o:p></o:p></span><span style="font-size: 10pt; color: blue; font-family: 'Arial','sans-serif'">Important technologies to achieve semantic data integration/interoperability are RDF, OWL, ontologies, automatically generated ontology mappings (maps between ontologies and maps from objects to ontologies). The Linked Data concept, outlined by Tim Berners-Lee, has proved itâ€™s possible to integrate (link) data with help of semantic technologies. <o:p></o:p></span></span><span style="font-size: 10pt; c