Publications

@article{zhang2026pearl,
  title={PEARL: Prototype-Enhanced Alignment for Label-Efficient Representation Learning with Deployment-Driven Insights from Digital Governance Communication Systems},
  author={Zhang, Ruiyu and Nie, Lin and Lam, Wai-Fung and Wang, Qihao and Zhao, Xin},
  journal={arXiv preprint arXiv:2601.17495},
  year={2026}
}

Zhang, R., Nie, L., Lam, W.-F., Wang, Q., & Zhao, X. (2026). PEARL: Prototype-Enhanced Alignment for Label-Efficient Representation Learning with Deployment-Driven Insights from Digital Governance Communication Systems. arXiv preprint arXiv:2601.17495

Published in Preprint, 2026

We propose PEARL, a label-efficient method that softly aligns embeddings toward class prototypes to improve local neighborhood structure without changing dimensionality or requiring heavy retraining.

Citation as: Ruiyu ZHANG, Lin Nie, Wai-Fung Lam, Qihao Wang, and Xin Zhao. (2026). "PEARL: Prototype-Enhanced Alignment for Label-Efficient Representation Learning with Deployment-Driven Insights from Digital Governance Communication Systems." Preprint. arXiv:2601.17495. https://arxiv.org/abs/2601.17495

@article{zhang2025enhancing,
  title={Enhancing Communication Quality between Government and Citizens: The Role of AI Modification},
  author={Zhang, Ruiyu and Nie, Lin},
  journal={Information Polity},
  pages={15701255261427986},
  year={2026},
  publisher={SAGE Publications Sage UK: London, England}
}

Zhang, R. & Nie, L. (2026). Enhancing Communication Quality between Government and Citizens: The Role of AI Modification. Information Polity, 15701255261427986.

Published in Information Polity, 2026

Our study integrates critical AI scholarship with relational communication theories to explain how AI language modifications shape the quality of government-citizen communication.

Citation as: Ruiyu ZHANG and Lin Nie. (2026). "Enhancing Communication Quality between Government and Citizens: The Role of AI Modification." Information Polity. https://doi.org/10.1177/15701255261427986. https://doi.org/10.1177/15701255261427986

@article{nie2025sustainability,
  title={Sustainability of Small and Medium-Sized Enterprises in Hong Kong: Drivers and the Moderating Role of Social Network},
  author={Nie, Lin and Lam, Wai-Fung and Zhang, Ruiyu},
  journal={Corporate Social Responsibility and Environmental Management},
  volume={32},
  number={4},
  pages={4726–4742},
  year={2025},
  publisher={Wiley Online Library}
}

Nie, L., Lam, W.-F., & Zhang, R. (2025). Sustainability of Small and Medium-Sized Enterprises in Hong Kong: Drivers and the Moderating Role of Social Network. Corporate Social Responsibility and Environmental Management, 32(4), 4726--4742.

Published in Corporate Social Responsibility and Environmental Management, 2025

Our study examines what drives small and medium-sized enterprises to adopt sustainability practices, and how social networks shape these dynamics.

Citation as: Ruiyu ZHANG, Lin Nie, and Wai-Fung Lam. (2025). "Sustainability of Small and Medium-Sized Enterprises in Hong Kong: Drivers and the Moderating Role of Social Network." Corporate Social Responsibility and Environmental Management. https://doi.org/10.1002/csr.3207. https://doi.org/10.1002/csr.3207

@article{zhang2025structural,
  title={Structural equation-vae: Disentangled latent representations for tabular data},
  author={Zhang, Ruiyu and Zhao, Ce and Zhao, Xin and Nie, Lin and Lam, Wai-Fung},
  journal={arXiv preprint arXiv:2508.06347},
  year={2025}
}

Zhang, R., Zhao, C., Zhao, X., Nie, L., & Lam, W.-F. (2025). Structural equation-vae: Disentangled latent representations for tabular data. arXiv preprint arXiv:2508.06347

Published in Preprint, 2025

We designed SE-VAE to embed measurement structure directly into a variational autoencoder, separating construct-specific signals from global nuisance variation.

Citation as: Ruiyu ZHANG, Ce Zhao, Xin Zhao, Lin Nie, and Wai-Fung Lam. (2025). "Structural Equation-VAE: Disentangled Latent Representations for Tabular Data." Preprint. arXiv:2508.06347. https://arxiv.org/abs/2508.06347

@article{zhang2025heas,
  title={HEAS: Hierarchical Evolutionary Agent Simulation Framework for Cross-Scale Modeling and Multi-Objective Search},
  author={Zhang, Ruiyu and Nie, Lin and Zhao, Xin},
  journal={arXiv preprint arXiv:2508.15555},
  year={2025}
}

Zhang, R., Nie, L., & Zhao, X. (2025). HEAS: Hierarchical Evolutionary Agent Simulation Framework for Cross-Scale Modeling and Multi-Objective Search. arXiv preprint arXiv:2508.15555

Published in Preprint, 2025

We developed HEAS as a framework to combine layered agent-based modeling with evolutionary optimization.

Citation as: Ruiyu ZHANG, Lin Nie, and Xin Zhao. (2025). "HEAS: Hierarchical Evolutionary Agent Simulation Framework for Cross-Scale Modeling and Multi-Objective Search." Preprint. arXiv:2508.15555. https://arxiv.org/abs/2508.15555

@article{zhang2025eco,
  title={Eco-efficiency as a catalyst for citizen co-production: evidence from Chinese cities},
  author={Zhang, Ruiyu and Nie, Lin and Zhao, Ce and Zhao, Xin},
  journal={arXiv preprint arXiv:2504.13290},
  year={2025}
}

Zhang, R., Nie, L., Zhao, C., & Zhao, X. (2025). Eco-efficiency as a catalyst for citizen co-production: evidence from Chinese cities. arXiv preprint arXiv:2504.13290

Published in Preprint, 2025

We explored the relationship between eco-efficiency and local governments engagement in collaborative environmental governance with citizens.

Citation as: Ruiyu ZHANG, Lin Nie, Ce Zhao, and Xin Zhao. (2025). "Eco-efficiency as a Catalyst for Citizen Co-production: Evidence from Chinese Cities." Preprint. arXiv:2504.13290. https://arxiv.org/abs/2504.13290

@article{lee2024cadres,
  title={From Cadres to Managers: The Double-hundred Action Programme and China’s State-owned Enterprise Reform},
  author={Lee, Chengpang and Zhang, Ruiyu},
  journal={The China Quarterly},
  volume={260},
  pages={1005–1023},
  year={2024},
  publisher={Cambridge University Press}
}

Lee, C. & Zhang, R. (2024). From Cadres to Managers: The Double-hundred Action Programme and China's State-owned Enterprise Reform. The China Quarterly, 260, 1005--1023.

Published in The China Quarterly, 2024

Our study explores how the double-hundred action programme is reshaping recruitment, performance evaluation, and remuneration practices in China state-owned enterprises.

Citation as: Ruiyu ZHANG and Chengpang Lee. (2024). "From Cadres to Managers: The Double-hundred Action Programme and China's State-owned Enterprise Reform." The China Quarterly. https://doi.org/10.1017/S0305741024000481. https://doi.org/10.1017/S0305741024000481

@article{zhang2024achieving,
  title={Achieving semantic consistency: Contextualized word representations for political text analysis},
  author={Zhang, Ruiyu and Nie, Lin and Zhao, Ce and Chen, Qingyang},
  journal={arXiv preprint arXiv:2412.04505},
  year={2024}
}

Zhang, R., Nie, L., Zhao, C., & Chen, Q. (2024). Achieving semantic consistency: Contextualized word representations for political text analysis. arXiv preprint arXiv:2412.04505

Published in Preprint, 2024

We evaluated how well static embeddings and contextual models capture enduring meanings and subtle semantic shifts in political text over time.

Citation as: Ruiyu ZHANG, Lin Nie, Ce Zhao, and Qingyang Chen. (2024). "Achieving Semantic Consistency: Contextualized Word Representations for Political Text Analysis." Preprint. arXiv:2412.04505. https://arxiv.org/abs/2412.04505