DOI: 10.11606/t.45.2023.tde-02012024-175653
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Assessment of bias in a crowdsourcing accessibility system using serious games

João Marcos de Mattos Barguil

Abstract: Can persons without disabilities be good evaluators of accessibility? This question, often posed by persons with disabilities when looking at crowdsourced accessibility maps, is related to one of the most important unresolved issues of crowdsourcing: data quality control. Many of the recent ground-breaking advancements in machine learning depend on data annotation done by humans.Existing approaches for managing inaccuracies in crowdsourcing are based on validating output against preset gold standards, but they… Show more

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