Torsten Möller
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View article: The Importance of Being Thorough: How Data Analysis Choices Impact the Perceived Relationship between Pollutants and Predictors
The Importance of Being Thorough: How Data Analysis Choices Impact the Perceived Relationship between Pollutants and Predictors Open
Understanding the relationship between socioeconomic drivers and anthropogenic surface water pollution is essential for addressing global threats to aquatic ecosystems and drinking water. For this purpose, data-driven approaches, i.e., obt…
View article: Do Vision-Language Models See Visualizations Like Humans? Alignment in Chart Categorization
Do Vision-Language Models See Visualizations Like Humans? Alignment in Chart Categorization Open
Vision-language models (VLMs) hold promise for enhancing visualization tools, but effective human-AI collaboration hinges on a shared perceptual understanding of visual content. Prior studies assessed VLM visualization literacy through int…
View article: A Composable Agentic System for Automated Visual Data Reporting
A Composable Agentic System for Automated Visual Data Reporting Open
To address the brittleness of monolithic AI agents, our prototype for automated visual data reporting explores a Human-AI Partnership model. Its hybrid, multi-agent architecture strategically externalizes logic from LLMs to deterministic m…
View article: MLMC: Interactive multi-label multi-classifier evaluation without confusion matrices
MLMC: Interactive multi-label multi-classifier evaluation without confusion matrices Open
Machine learning-based classifiers are commonly evaluated by metrics like accuracy, but deeper analysis is required to understand their strengths and weaknesses. MLMC is a visual exploration tool that tackles the challenge of multi-label c…
View article: Toward the fabric of the Milky Way
Toward the fabric of the Milky Way Open
We studied 12 disk streams found in a 250 3 pc 3 volume in the solar neighborhood, which we define as coeval and comoving stellar structures with aspect ratios greater than 3:1. Using Gaia Data Release 3 data and the advanced clustering al…
View article: Untangling Rhetoric, Pathos, and Aesthetics in Data Visualization
Untangling Rhetoric, Pathos, and Aesthetics in Data Visualization Open
Contemporary discourse on data communication has discussed logos (reason) and, more recently, ethos (credibility) extensively. While the concept of pathos (emotional appeal) has received growing attention in the visualization community in …
View article: The physical and chemical structure of Sagittarius B2
The physical and chemical structure of Sagittarius B2 Open
Context . The giant molecular cloud complex Sagittarius B2 (Sgr B2) in the central molecular zone of our Galaxy hosts several high-mass star formation sites, with Sgr B2(M) and Sgr B2(N) being the main centers of activity. This analysis ai…
View article: Better Together? The Role of Explanations in Supporting Novices in Individual and Collective Deliberations about AI
Better Together? The Role of Explanations in Supporting Novices in Individual and Collective Deliberations about AI Open
Deploying AI systems in public institutions can have far-reaching consequences for many people, making it a matter of public interest. Providing opportunities for stakeholders to come together, understand these systems, and debate their me…
View article: A Multidimensional Assessment Method for Situated Visualization Understanding (MdamV)
A Multidimensional Assessment Method for Situated Visualization Understanding (MdamV) Open
How audiences read, interpret, and critique data visualizations is mainly assessed through performance tests featuring tasks like value retrieval. Yet, other factors shown to shape visualization understanding, such as numeracy, graph famil…
View article: RSVP for VPSA : A Meta Design Study on Rapid Suggestive Visualization Prototyping for Visual Parameter Space Analysis
RSVP for VPSA : A Meta Design Study on Rapid Suggestive Visualization Prototyping for Visual Parameter Space Analysis Open
Visual Parameter Space Analysis (VPSA) enables domain scientists to explore input-output relationships of computational models. Existing VPSA applications often feature multi-view visualizations designed by visualization experts for a spec…
View article: Cell2Cell: Explorative Cell Interaction Analysis in Multi-Volumetric Tissue Data
Cell2Cell: Explorative Cell Interaction Analysis in Multi-Volumetric Tissue Data Open
We present Cell2Cell, a novel visual analytics approach for quantifying and visualizing networks of cell-cell interactions in three-dimensional (3D) multi-channel cancerous tissue data. By analyzing cellular interactions, biomedical expert…
View article: Chaos and COSMOS—Considerations on QSM methods with multiple and single orientations and effects from local anisotropy
Chaos and COSMOS—Considerations on QSM methods with multiple and single orientations and effects from local anisotropy Open
In view of unconsidered anisotropy effects, added complexity of the reconstruction, and the general challenge of multi-orientation acquisitions, advantages of sub-optimal COSMOS schemes over regularized single-orientation QSM appear limite…
View article: Tensions between Preference and Performance: Designing for Visual Exploration of Multi-frequency Medical Network Data
Tensions between Preference and Performance: Designing for Visual Exploration of Multi-frequency Medical Network Data Open
The analysis of complex high-dimensional data is a common task in many domains, resulting in bespoke visual exploration tools. Expectations and practices of domain experts as users do not always align with visualization theory. In this pap…
View article: Data Journeys in Popular Science: Producing Climate Change and COVID-19 Data Visualizations at Scientific American
Data Journeys in Popular Science: Producing Climate Change and COVID-19 Data Visualizations at Scientific American Open
Vast amounts of (open) data are increasingly used to make arguments about crisis topics such as climate change and global pandemics. Data visualizations are central to bringing these viewpoints to broader publics. However, visualizations o…
View article: “Being Simple on Complex Issues” – Accounts on Visual Data Communication About Climate Change
“Being Simple on Complex Issues” – Accounts on Visual Data Communication About Climate Change Open
Data visualizations play a critical role in both communicating scientific evidence about climate change and in stimulating engagement and action. To investigate how visualizations can be better utilized to communicate the complexities of c…
View article: Information That Matters: Exploring Information Needs of People Affected by Algorithmic Decisions
Information That Matters: Exploring Information Needs of People Affected by Algorithmic Decisions Open
Every AI system that makes decisions about people has a group of stakeholders that are personally affected by these decisions. However, explanations of AI systems rarely address the information needs of this stakeholder group, who often ar…
View article: Data journeys in popular science: Producing climate change and COVID-19 data visualizations at Scientific American
Data journeys in popular science: Producing climate change and COVID-19 data visualizations at Scientific American Open
Vast amounts of (open) data are increasingly used to make arguments about crisis topics such as climate change and global pandemics. Data visualizations are central to bringing these viewpoints to broader publics. However, visualizations o…
View article: Subjective visualization experiences: impact of visual design and experimental design
Subjective visualization experiences: impact of visual design and experimental design Open
In contrast to objectively measurable aspects (such as accuracy, reading speed, or memorability), the subjective experience of visualizations has only recently gained importance, and we have less experience how to measure it. We explore ho…
View article: The Gulf of Interpretation: From Chart to Message and Back Again
The Gulf of Interpretation: From Chart to Message and Back Again Open
Charts are used to communicate data visually, but often, we do not know whether a chart's intended message aligns with the message readers perceive. In this mixed-methods study, we investigate how data journalists encode data and how membe…
View article: Who is the Audience? Designing Casual Data Visualizations for the 'General Public'
Who is the Audience? Designing Casual Data Visualizations for the 'General Public' Open
Casual data visualizations play a vital role in communicating data to lay audiences. Despite this, little is known about how data visualization practitioners make design decisions based on their envisioned target audiences using different …
View article: Chaos and COSMOS -- Considerations on QSM methods with multiple and single orientations and effects from local anisotropy
Chaos and COSMOS -- Considerations on QSM methods with multiple and single orientations and effects from local anisotropy Open
Purpose: Field-to-susceptibility inversion in quantitative susceptibility mapping (QSM) is ill-posed and needs numerical stabilization through either regularization or oversampling by acquiring data at three or more object orientations. Ca…
View article: The Challenge of Interdisciplinarity at the Intersection of Groundwater Management and Visualization Research
The Challenge of Interdisciplinarity at the Intersection of Groundwater Management and Visualization Research Open
This design study presents an analysis and abstraction of temporal and spatial data, and workflows in the domain of hydrogeology and the design and development of an interactive visualization prototype. Developed in close collaboration wit…
View article: SunScreen: Visual Fault Detection for Solar-Thermal Systems
SunScreen: Visual Fault Detection for Solar-Thermal Systems Open
Fault detection is essential to ensure the proper operation of solar-thermal plants. Hence, monitoring personnel frequently analyze the data to detect unusual behavior. While visualization approaches may considerably support the monitoring…
View article: Exploring the Design Space of Three Criteria Decision Making
Exploring the Design Space of Three Criteria Decision Making Open
This article presents different interface designs of sliders to support decision-making problems with three criteria. We present an exploration of the design space through an iterative development process with eight prototypes and the resu…
View article: The star formation history of the Sco-Cen association
The star formation history of the Sco-Cen association Open
We reconstructed the star formation history of the Sco-Cen OB association using a novel high-resolution age map of the region. We developed an approach to produce robust ages for Sco-Cen’s recently identified 37 stellar clusters using the …
View article: Significance mode analysis (SigMA) for hierarchical structures
Significance mode analysis (SigMA) for hierarchical structures Open
We present a new clustering method, significance mode analysis ( SigMA ), for extracting co-spatial and co-moving stellar populations from large-scale surveys such as ESA Gaia . The method studies the topological properties of the density …
View article: Supporting Video Authoring for Communication of Research Results
Supporting Video Authoring for Communication of Research Results Open
Video summaries of scientific publications have gained more and more popularity over the last years, requiring many researchers to familiarize themselves with the tools and techniques of video production which can be an overwhelming task. …