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Table 10 F-measures of the retrained random forest models varying the crowdsourcing parameters

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

  Workers’ time spent on HITs
Number of times validated ≥ 0 s ≥ 300 s ≥ 750 s
Validated = 5 times 98.5% 98.8% 99.8%
Validated ≥ 4 times 90.3% 97.0% 97.2%
Validated ≥ 3 times 79.1% 85.1% 91.4%