Hendrik Heuer

schoolCenter for Advanced Internet Studiesbar_chart#1144 Global Rank

Total Papers

HCI Rank

#1144

Research Areas

Years Active

Recent Publications

Take the Power Back: Screen-Based Personal Moderation Against Hate Speech on Instagram

Hate speech remains a pressing challenge on social media, where platform moderation often fails to protect targeted users. Personal moderation tools that let users decide how content is filtered can address some of these shortcomings. However, it remains an open question on which screens (e.g., the comments, the reels…

CHI '26CorrespondingExplainable AI (XAI) +2

They Think AI Can Do More Than It Actually Can: Practices, Challenges, & Opportunities of AI-Supported Reporting In Local Journalism

Declining newspaper revenues prompt local newsrooms to adopt automation to maintain efficiency and keep the community informed. However, current research provides a limited understanding of how local journalists work with digital data and which newsroom processes would benefit most from AI-supported (data) reporting.…

CHI '26CorrespondingSocial Platform Design & User Behavior +2

Reflecting on 1,000 Social Media Journeys: Generational Patterns in Platform Transition

Social media has billions of users, but we still do not fully understand why users prefer one platform over another. Establishing new platforms among already popular competitors is difficult. Prior research has richly documented people's experiences within individual platforms, yet situating those experiences within t…

CHI '26CorrespondingHuman-LLM Collaboration +2

A Conditional Companion: Lived Experiences of People with Mental Health Disorders Using LLMs

Large Language Models (LLMs) are increasingly used for mental health support, yet little is known about how people with mental health challenges engage with them, how they evaluate their usefulness, and what design opportunities they envision. We conducted 20 semi-structured interviews with people in the UK who live w…

CHI '26CorrespondingHonorable MentionTangible User Interface Design +3

When Handwriting Goes Social: Creativity, Anonymity, and Communication in Graphonymous Online Spaces

While most digital communication platforms rely on text, relatively little research has examined how users engage through handwriting and drawing in anonymous, collaborative environments. We introduce Graphonymous Interaction, a form of communication where users interact anonymously via handwriting and drawing. Our st…

CSCW '25CorrespondingMitigating Misinformation

The Phase Model of Misinformation Interventions

Misinformation is a challenging problem. This paper provides the first systematic interdisciplinary investigation of technical and non-technical interventions against misinformation. It combines interviews and a survey to understand which interventions are accepted across academic disciplines and approved by misinform…

CHI '252nd AuthorSocial Platform Design & User Behavior +1

Social Media for Activists: Reimagining Safety, Content Presentation, and Workflows

Social media is central to activists, who use it internally for coordination and externally to reach supporters and the public. To date, the HCI community has not explored activists' perspectives on future social media platforms. In interviews with 14 activists from an environmental and a queer-feminist movement in Ge…

CHI '25CorrespondingAI Ethics, Fairness & Accountability +3

Lost in Moderation: How Commercial Content Moderation APIs Over- and Under-Moderate Group-Targeted Hate Speech and Linguistic Variations

Commercial content moderation APIs are marketed as scalable solutions to combat online hate speech. However, the reliance on these APIs risks both silencing legitimate speech, called over-moderation, and failing to protect online platforms from harmful speech, known as under-moderation. To assess such risks, this pape…

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