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Table 8 Number of triples validated more than 3, 4, and 5 times varying by the workers’ time spent on the HITs

From: OC-2-KB: integrating crowdsourcing into an obesity and cancer knowledge base curation system

 

Time spent on HITs

The number of times validated

≥ 0 s

≥ 300 s

≥ 750 s

Validated = 5 times

37

19

15

Validated ≥ 4 times

258

109

68

Validated ≥ 3 times

918

506

320