Intervention Strategies for Increasing Engagement in Volunteer-Based Crowdsourcing

Abstract: Volunteer-based crowdsourcing depend critically on maintaining the engagement of participants. We explore a methodology for extending engagement in citizen science by combining machine learning with intervention design. We first present a platform for using real-time predictions about forthcoming disengagement Continue reading

What’s Your Price? The Cost of Asking Crowd Workers to Behave Maliciously

This work was presented at HAIDM 2015. The 2015 workshop on Human-Agent Interaction Design and Models was co-organised by SmartSociety. Abstract: Crowdsourcing has emerged as a powerful way to provide computer systems with quick and easy access to human intelligence. Continue reading

CrowdMask: Privacy-Preserving Crowd-Powered Systems

This work was presented at HAIDM 2015. The 2015 workshop on Human-Agent Interaction Design and Models was co-organised by SmartSociety. Abstract: It can be hard to automatically identify sensitive content in images or other media because significant context is often Continue reading