Zhiwei Steven Wu

schoolCarnegie Mellon Universitybar_chart#3012 Global Rank

Total Papers

HCI Rank

#3012

Research Areas

Years Active

Recent Publications

Measurement as Bricolage: Examining How Data Scientists Construct Target Variables for Predictive Modeling Tasks

Data scientists often formulate predictive modeling tasks involving fuzzy, hard-to-define concepts, such as the "authenticity'' of student writing or the "healthcare need'' of a patient. Yet the process by which data scientists translate fuzzy concepts into a concrete, proxy target variable remains poorly understood.…

CHI '225th+ AuthorHonorable MentionAI-Assisted Decision-Making & Automation +1

Improving Human-AI Partnerships in Child Welfare: Understanding Worker Practices, Challenges, and Desires for Algorithmic Decision Support

AI-based decision support tools (ADS) are increasingly used to augment human decision-making in high-stakes, social contexts. As public sector agencies begin to adopt ADS, it is critical that we understand workers’ experiences with these systems in practice. In this paper, we present findings from a series of intervie…

CHI '225th+ AuthorAI-Assisted Decision-Making & Automation +1

How Child Welfare Workers Reduce Racial Disparities in Algorithmic Decisions

Machine learning tools have been deployed in various contexts to support human decision-making, in the hope that human-algorithm collaboration can improve decision quality. However, the question of whether such collaborations reduce or exacerbate biases in decision-making remains underexplored. In this work, we conduc…

CHI '215th+ AuthorExplainable AI (XAI) +2

Soliciting Stakeholders’ Fairness Notions in Child Maltreatment Predictive Systems

Recent work in fair machine learning has proposed dozens of technical definitions of algorithmic fairness and methods for enforcing these definitions. However, we still lack an understanding of how to develop machine learning systems with fairness criteria that reflect relevant stakeholders' nuanced viewpoints in rea…

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