IssueResource ISSUE = IssueResource.getInstance(graph);
graph.deny(resource, ISSUE.Issue_HasSeverity);
graph.claim(resource, ISSUE.Issue_HasSeverity, null, severity);
IssueResource ISSUE = IssueResource.getInstance(graph);
graph.deny(resource, ISSUE.Issue_HasSeverity);
graph.claim(resource, ISSUE.Issue_HasSeverity, null, severity);