_:nd99c9c8bdac140f183d5386550ef0076xb9
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://link.springer.com/article/10.1007/s10514-012-9315-y?error=cookies_not_supported&code=a28f070d-8a13-40f8-a76f-0a08e6331d77>