2 papers
cs.LG2026
CFRecs: Counterfactual Recommendations on Real Estate User Listing Interaction Graphs
Seyedmasoud Mousavi, Ruomeng Xu, Xiaojing Zhu
Graph-structured data is ubiquitous and powerful in representing complex relationships in many online platforms. While graph neural networks (GNNs) are widely used to learn from su…
cs.IR2025
Towards Robust Offline Evaluation: A Causal and Information Theoretic Framework for Debiasing Ranking Systems
Seyedeh Baharan Khatami, Sayan Chakraborty, Ruomeng Xu +1
Evaluating retrieval-ranking systems is crucial for developing high-performing models. While online A/B testing is the gold standard, its high cost and risks to user experience req…