Thesis / Dissertation

Task assignment using worker cognitive ability and context to improve data quality in crowdsourcing

Danula Eranjith Hettiachchi Mudiyanselage, Jorge Goncalves (ed.)

Published : 2021


While crowd work on crowdsourcing platforms is becoming prevalent, there exists no widely accepted method to successfully match workers to different types of tasks. Previous work has considered using worker demographics, behavioural traces, and prior task completion records to optimise task assignment. However, optimum task assignment remains a challenging research problem, since proposed approaches lack an awareness of workers' cognitive abilities and context. This thesis investigates and discusses how to use these key constructs for effective task assignment: workers' cognitive ability, and an understanding of the workers' context. Specifically, the thesis presents 'CrowdCog', a dynamic on..

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