6 papers
Fair Transit Stop Placement: A Clustering Perspective and Beyond
Haris Aziz, Ling Gai, Yuhang Guo +1
We study the transit stop placement (TrSP) problem in general metric spaces, where agents travel between source-destination pairs and may either walk directly or utilize a shuttle…
Social Welfare Maximization in Approval-Based Committee Voting under Uncertainty
Haris Aziz, Yuhang Guo, Venkateswara Rao Kagita +2
Approval voting is widely used for making multi-winner voting decisions. The canonical rule (also called Approval Voting) used in the setting aims to maximize social welfare by sel…
HiMA-Ecom: Enabling Joint Training of Hierarchical Multi-Agent E-commerce Assistants
Junxing Hu, Ai Han, Haolan Zhan +7
Hierarchical multi-agent systems based on large language models (LLMs) have become a common paradigm for building AI assistants in vertical domains such as e-commerce, where a mast…
Learning-Augmented Facility Location Mechanisms for Envy Ratio
Haris Aziz, Yuhang Guo, Alexander Lam +1
The augmentation of algorithms with predictions of the optimal solution, such as from a machine-learning algorithm, has garnered significant attention in recent years, particularly…
Minimizing Inequity in Facility Location Games
Yuhang Guo, Houyu Zhou
This paper studies the problem of minimizing group-level inequity in facility location games on the real line, where agents belong to different groups and may act strategically. We…
Participation Incentives in Online Cooperative Games
Haris Aziz, Yuhang Guo, Zhaohong Sun
This paper studies cooperative games where coalitions are formed online and the value generated by the grand coalition must be irrevocably distributed among the players at each tim…