sub:assertion {
  sub:paragraph c4o:hasContent "An important prerequisite to any participatory exercise is the ability of the crowd – experts of laymen – to engage with the given data management tasks. This has been subject to several user experience design studies [26,30,34,40,39], which informed the implementation of our crowdsourcing projects, both the contest, and the paid microtasks running on Mechanical Turk. For instance, microtasks have been used for entity link- ing [8] quality assurance, resource management [42] and ontology alignment [33]." ;
    a doco:Paragraph .
}