<https://blog.kie.org/#/schema/person/image/>
<http://schema.org/contentUrl>
<https://secure.gravatar.com/avatar/1b7f091584d6362942215fa51d5913ba?s=96&r=g>
<https://blog.kie.org/2017/08/talking-about-rule-engines-at-software-engineering-radio.html>