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Yuying Zhao

4 accepted papers

2026

DEPO: Dual-Efficiency Preference Optimization for LLM Agents

AAAI 2026technical

Recent advances in large language models (LLMs) have greatly improved their reasoning and decision-making abilities when deployed as agents. Richer reasoning, however, often comes at the cost of longer chain of thought (CoT), hampering interaction efficiency in real-world scenarios. Nevertheless, th

Cited by 0SourcePDFScholar
2024

A Topological Perspective on Demystifying GNN-Based Link Prediction Performance

ICLR 2024poster

Graph Neural Networks (GNNs) have shown great promise in learning node embeddings for link prediction (LP). While numerous studies improve the overall GNNs' LP performance, none have explored their varying performance across different nodes and the underlying reasons. To this end, we demystify which…

2024

Leveraging Opposite Gender Interaction Ratio as a Path towards Fairness in Online Dating Recommendations Based on User Sexual Orientation

AAAI 2024technical

Online dating platforms have gained widespread popularity as a means for individuals to seek potential romantic relationships. While recommender systems have been designed to improve the user experience in dating platforms by providing personalized recommendations, increasing concerns about fairness…

Cited by 4SourcePDFScholar
2023

Fairness and Explainability: Bridging the Gap towards Fair Model Explanations

AAAI 2023technical

While machine learning models have achieved unprecedented success in real-world applications, they might make biased/unfair decisions for specific demographic groups and hence result in discriminative outcomes. Although research efforts have been devoted to measuring and mitigating bias, they mainly…