University of Luxembourg

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#144

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Latest papers from University of Luxembourg

CHI '26Privacy by Design & User Control +2

Too Many Zombies: Exploring Challenges and Motivations for (Not) Deleting Unused Online Accounts

Unused online accounts (“zombie accounts”) pose avoidable privacy and security risks by retaining personal data that may be exposed in breaches. Yet, little is known about when and how to effectively prompt users to delete them. This work investigates the challenges users encounter when attempting to delete zombie acc…

CHI '26Eye Tracking & Gaze Interaction +3

SeekUI: Predicting Visual Search Behavior on Graphical User Interfaces with a Reward-Augmented Vision Language Model

Visual search is key to understanding and improving interaction with graphical user interfaces (GUIs), yet predicting scanpaths on real GUIs remains an open challenge. Unlike free-viewing, visual search is goal-driven and shaped by both linguistic and visual features of the GUI. State-of-the-art models of visual searc…

CHI '26Hand Gesture Recognition +2

AutoChainer: Automatic Data Augmentation for Stroke-based Input

Training Deep Learning classifiers for stroke-based applications requires collecting lots of samples, which is often expensive and time-consuming. Data augmentation (DA) techniques can mitigate this issue by artificially increasing the number of training samples, eventually improving model performance and robustness.…

CHI '26Best PaperInteractive Data Visualization +2

Chasing Meaning and/or Insight? A Survey on Evaluation Practices at the Intersection of Visualization and the Humanities

The intersection of visualization and the humanities (VIS*H) is marked by a tension between chasing analytical "insight'' and interpretive "meaning.'' The effectiveness of visualization techniques hinges on established evaluation frameworks that assess both analytical utility and communicative efficacy, creating a pot…

CHI '26Smart Cities & Urban Sensing +2

Pixels, Plants, and People: Affective Evaluation of Urban Green Spaces

Urban green spaces are critical for well-being, yet planners lack scalable ways to anticipate how environments will be perceived by users. We conducted an experiment with 27 participants who viewed 30 images of urban spaces while eye movements and brain activity were recorded. Image composition, parsed into 14 urban c…

CHI '26Deepfake & Synthetic Media Detection +2

Collab: Fostering Critical Identification of Deepfake Videos on Social Media via Synergistic Annotation

Identifying deepfake videos on social media platforms is challenged by dynamic spatio-temporal artifacts and inadequate user tools. This hinders both critical viewing by users and scalable moderation on platforms. Here, we present Collab, a web plugin enabling users to collaboratively annotate deepfake videos. Collab…

CHI '26Content Moderation & Platform Governance +2

Request a Note: How the Request Function Shapes X's Community Notes System

X's Community Notes is a crowdsourced fact-checking system. To improve its scalability, X introduced ``Request Community Note'' feature, enabling users to solicit fact-checks from contributors on specific posts. Yet, its implications for the system---what gets checked, by whom, and with what quality---remain unclear.…

CSCW '25Misinformation, News, and Fact-Checking

From News Source Sharers to Post Viewers: How Topic Diversity and Conspiracy Theories Shape Engagement With Misinformation During a Health Crisis

Online engagement with misinformation threatens societal well-being, particularly during health crises when susceptibility to misinformation is heightened in a multi-topic context. Here, we focus on the COVID-19 pandemic and address a critical gap in understanding engagement with multi-topic misinformation on social m…

DIS '25Sustainable HCI +1

Sustainable Innovation in Practice: Documenting the Processes, Methods and Perspectives of Low-Tech Designers

Sustainability is becoming a key focus in HCI. The low-tech design approach, emerging outside traditional HCI frameworks, focuses on creating simpler artifacts, fostering user autonomy, and minimizing environmental impacts. Although it offers a tangible route toward sustainability for citizens and industry, low-tech d…

IUI '25Generative AI (Text, Image, Music, Video) +1

Text-to-Image Generation for Vocabulary Learning Using the Keyword Method

The 'keyword method' is an effective technique for learning vocabulary of a foreign language. It involves creating a memorable visual link between what a word means and what its pronunciation in a foreign language sounds like in the learner's native language. However, these memorable visual links remain implicit in th…

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University of Luxembourg

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Luxembourg · Europe

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#144

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2018-2026

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32 researchers · 0 collaborators

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Privacy, Security & Trust

Dark Patterns Recognition

AI & Machine Learning Interaction

Explainable AI (XAI)

Research Methods & Design Practice

Participatory Design

Data Visualization & Information Design

Visualization Perception & Cognition

Social Media & Online Communities

Misinformation & Fact-Checking