_:n06b0931f079540968e6ed52398c8fb8dxb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://link.springer.com/article/10.1007/s11837-012-0279-3?error=cookies_not_supported&code=8f9c2fc6-bbae-4515-bb99-a2268753d630>