Papers by Haijiang Liu
Beyond Demographics: Enhancing Cultural Value Survey Simulation with Multi-Stage Personality-Driven Cognitive Reasoning (2025.emnlp-main)
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| Challenge: | Introducing **MARK**, a framework for cultural value survey simulation . based on type dynamics theory, it improves accuracy and interpretation of models . |
| Approach: | They propose a framework that integrates psychological theory into cultural value survey simulations. |
| Outcome: | The proposed framework outperforms baseline models on the World Values Survey by 10% accuracy and reduces divergence between model predictions and human preferences. |
Specializing Large Language Models to Simulate Survey Response Distributions for Global Populations (2025.naacl-long)
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| Challenge: | Prior work has focused on using large language models to simulate human behaviors . but, LLMs are known to generate erroneous, stereotypical, or overconfident answers . |
| Approach: | They propose to specialize large language models for simulating survey response distributions by first-token probabilities. |
| Outcome: | The proposed model outperforms other methods and zero-shot classifiers on unseen questions, countries, and a completely unseened survey. |
From Regulatory Approvals to Patents: Cross-Domain Linking for Cardiovascular Device Traceability (2026.acl-long)
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| Challenge: | a new cross-domain entity linking problem exists between FDA-approved medical devices and patents . a recent study compared the semantics of FDA documents with patents, resulting in minimal overlap . |
| Approach: | They propose a framework that links FDA-approved medical devices to their patents . they propose 'MedDevKG' framework that integrates a domain-specific ontology . |
| Outcome: | The proposed framework outperforms existing methods in lower-bound recalls and noise reductions. |