Lu Sun

schoolCarnegie Mellon Universitybar_chart#2601 Global Rank

Total Papers

HCI Rank

#2601

Research Areas

Years Active

Recent Publications

MetaWriter: Exploring the Potential and Perils of AI Writing Support in Scientific Peer Review

Recent advances in Large Language models (LLMs) show the potential to significantly augment or even replace complex human writing activities. However, in a complex writing task where people need to make decisions as well as a justification, it is not clear whether the LLMs can make the writing tasks faster or hinder u…

CHI '232nd AuthorRemote Work Tools & Experience +1

Challenging but Connective: Large-Scale Characteristics of Synchronous Collaboration Across Time Zones

Organizations are becoming increasingly distributed and many need to collaborate synchronously over great geographical distances. Despite a rich body of literature on spatially-distanced meetings, gaps remain in our understanding of temporally-distanced meetings. Here, we characterize cross time zone collaborations by…

CSCW '213rd AuthorContent Moderation

Reporting the Community Beat: Practices for Moderating Online Discussion at a News Website

Due to challenges around low-quality comments and misinformation, many news outlets have opted to turn off commenting features on their websites. The New York Times (NYT), on the other hand, has continued to scale up its online discussion resources to reach large audiences. Through interviews with the NYT moderation…

CSCW '202nd AuthorData Work

Rare, but valuable: Understanding data-centered talk in news website comment sections

News websites can facilitate global discussions about civic issues, but the financial cost and burden of moderating these forums has forced many to disable their commenting systems. In this paper, we consider the role that data visualizations play in grounding discussion around a civic issue, through an analysis of h…

CSCW '191st AuthorCrowds and Collaboration

Multi-level Modeling of Social Roles in Online Micro-lending Platforms

In many teams, members play distinct roles, from leader to disrupter to social networker. Understanding the roles that contributors enact in micro-lending platforms is both psychologically and socially important for sustaining members’ motivation and coordinating their joint efforts. Knowing what roles exist in these…

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