@prefix lv2: . @prefix patch: . @prefix ingen: . a patch:Put ; patch:subject ; patch:body [ a ingen:Graph ] . a patch:Put ; patch:subject ; patch:body [ a ingen:Block ; lv2:prototype ] . a patch:Put ; patch:subject ; patch:body [ a ingen:Block ; lv2:prototype ] . a patch:Put ; patch:subject ; patch:body [ a ingen:Arc ; ingen:tail ; ingen:head ] . a patch:Get ; patch:subject .