<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<http://professorpark.tistory.com/entry/%EC%A7%84%EA%B2%A9%EC%9D%98-%EA%B1%B0%EC%9D%B8-6%ED%99%94-%ED%95%9C%EA%B8%80%EB%B2%88%EC%97%AD>