A selection of my recent works. CCF rankings noted where applicable.
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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).
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Promoting Fairness in Information Access within Social Networks
2026
Changan Liu, Xiaotian Zhou, Ahad N. Zehmakan, Zhongzhi Zhang
Accepted by ICDE (CCF A).
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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
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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
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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
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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