"Twitter User Class" . . . . . _:vb812620 "\r\n # Manager knows contact\r\n CONSTRUCT {?s <#hasFriend> ?o.}\r\n WHERE\r\n {\r\n {\r\n ?s foaf:knows ?o.\r\n ?s ^foaf:knows ?o.\r\n FILTER(?o != ?s)\r\n } \r\n }\r\n " . . "Twitter user" . "A Twitter user"@en . "Instances of this Class are opltw:User values" . . _:vb812620 . . _:vb812620 .