<http://schema.org/description>
"The latest online crowdsourcing tool allows students to grade their classmates\u2019 homework and receive credit for the effort they put in."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.technologyreview.com/s/519001/first-trial-of-crowdsourced-grading-for-computer-science-homework/>