Publications

A collection of my research work.

Individually Fair Diversity Maximization

Ruien Li, Yanhao Wang

Advances in Neural Information Processing Systems (NeurIPS) 2025

We study diversity maximization under individual fairness constraints, proposing bicriteria approximation algorithms for max-min, max-sum, and sum-min diversification problems.

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Coresets for Deletion-Robust k-Center Clustering

Ruien Li, Yanhao Wang, Michael Mathioudakis

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management (CIKM) 2024

We propose a 4-approximation algorithm for deletion-robust k-center clustering, providing a coreset of size O(kz) and demonstrating its robustness against adversarial deletions.

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