The RDF triples created by the SPQR project are avaiable for download as compressed RDF/XML, one file for HGV, one combining the Inscriptions of Aphrodisias and the Inscriptions of Roman Tripolitania:
RDF triples derived from HGV, in RDF/XML form
RDF triples derived from InsAph and IRT
SPQR VoID file for describing the SPQR datasets using the Vocabulary of Interlinked Datasets schema