<https://forums.audipassion.com/topic/63618-8pma-presentation/page/2/#comment-1159964>
<http://schema.org/upvoteCount>
"0"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://forums.audipassion.com/topic/63618-8pma-presentation/page/2/?tab=comments#comment-1208666>