<https://www.wisegeek.net/how-good-are-chimps-and-bonobos-at-remembering-faces.htm>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.wisegeek.net/how-good-are-chimps-and-bonobos-at-remembering-faces.htm>