log.debug("Found relative IRI {} . Will try to retrieve from data file providers.", iri);
Map<String,String> info = new HashMap<String,String>();
if (dataFileProvider != null && dataFileProvider.isAvailable(null, loc, info)) src = new StreamDocumentSource(
dataFileProvider.getInputStream(null, loc, info));
}
if (src != null) o = mgr.loadOntologyFromOntologyDocument(src, conf);
if (o != null) regOnts.add(o);
else log.warn("Failed to obtain OWL ontology from resource {}", loc);
} catch (OWLOntologyAlreadyExistsException e) {
log.info("Skipping cached ontology {}.", e.getOntologyID());
continue;