Publications

A selection of my recent works. CCF rankings noted where applicable.

• Efficient Edge Rewiring Strategies for Enhancing PageRank Fairness 2026

  Changan Liu, Haoxin Sun, Ahad N. Zehmakan, Zhongzhi Zhang
  Accepted by Theoretical Computer Science (TCS) (CCF B).

• Promoting Fairness in Information Access within Social Networks 2026

  Changan Liu, Xiaotian Zhou, Ahad N. Zehmakan, Zhongzhi Zhang
  Accepted by ICDE (CCF A).

• Efficient Algorithms for Random Walk Centrality 2025

  Changan Liu, Zixuan Xie, Ahad N. Zehmakan, Zhongzhi Zhang
  Accepted by TKDE (CCF A). DOI: 10.1109/TKDE.2025.3621520

• Fast Query of Biharmonic Distance in Networks 2024

  Changan Liu, Ahad N. Zehmakan, Zhongzhi Zhang
  Published in KDD (CCF A). DOI: 10.1145/3637528.3671856 ·  Link

• A Fast Algorithm for Moderating Critical Nodes via Edge Removal 2024

  Changan Liu, Xiaotian Zhou, Ahad N. Zehmakan, Zhongzhi Zhang
  Published in TKDE (CCF A). DOI: 10.1109/TKDE.2023.3309987 ·  Link

• Finding Influencers in Complex Networks: An Effective Deep Reinforcement Learning Approach 2024

  Changan Liu, Changjun Fan, Zhongzhi Zhang
  Published in The Computer Journal (CCF B). DOI: 10.1093/comjnl/bxac187 ·  Link