Georgia Liu

Measuring Similarity in Causal Graphs: A Framework for Semantic and Structural Analysis
Liu, N., Yang, F., & Jalali, M. S. (2025). arXiv:2503.11046.
Reviews 40+ similarity metrics, selects 9, and tests them on 2,000 LLM-generated causal graphs.
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Leveraging Large Language Models for Automated Causal Loop Diagram Generation: Enhancing System Dynamics Modeling through Curated Prompting Techniques
Liu, N., & Keith, D. (2025). arXiv:2503.21798.
A curated prompting approach for turning qualitative text into causal loop diagrams.
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Workload Dynamics in Safety-Critical Monitoring Roles: Evidence from the Belgian Railway Network
Liu, N., Triantis, K., & Roets, B. (2025). Theoretical Issues in Ergonomics Science, 26(5), 630–653.
A system dynamics model, calibrated on Belgian railway traffic control data, of how over- and underload build mental fatigue.
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The Relationships among Workload, Automation Reliance, and Human Errors in Safety-Critical Monitoring Roles
Liu, N., Triantis, K., Madsen, P., & Roets, B. (2025). Safety Science, 185, 106775.
Uses operational data from Belgian railway traffic control to show how workload and reliance on automation drive human error.
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A Multi-dimensional Index of Evaluating Systems Thinking Skills from Textual Data
Liu, N., Mahmoudi, H., Triantis, K., & Ghaffarzadegan, N. (2024). Systems Research and Behavioral Science.
Scores systems-thinking skill from open-ended written responses.
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Enhancing Safety in Critical Monitoring Systems: Investigating the Roles of Human Error, Fatigue, and Organizational Learning in Socio-Technical Environments
Liu, N. (2024). PhD dissertation, Virginia Tech.
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