<ipo:graphicalAdjacency id="xs:ID[0..1]" name="xs:string[0..1]" isVertical="xs:boolean[0..1]" isHorizontal="xs:boolean[0..1]" isRightCentralLeft="xs:string (value comes from list: {'right'|'left'|'central'})[0..1]" isUpDown="xs:string (value comes from list: {'up'|'down'})[0..1]" isAdjacent="xs:boolean[0..1]">