@prefix skos: . @prefix isothes: . skos:definition "Adam Yahiye Gadahn, a U.S. citizen, was indicted in California on charges of treason, accused of providing “aid and comfort” to al Qaeda. He is the first person to be charged with treason against the United States since the World War II era. [Source: The SAGE Encyclopedia of Terrorism; Gadahn, Adam Yahiye (1978–)]"@en ; skos:broader ; skos:prefLabel "Adam Yahiye Gadahn"@en ; a skos:Concept . skos:prefLabel "people associated with terrorism"@en ; a skos:Concept ; skos:narrower . a skos:Collection, isothes:ConceptGroup ; skos:prefLabel "people"@en ; skos:member .