activity
20242026
collaborators

6 papers

cs.IR2026

CRAB: Codebook Rebalancing for Bias Mitigation in Generative Recommendation

Zezhong Fan, Ziheng Chen, Luyi Ma +5

Generative recommendation (GeneRec) has introduced a new paradigm that represents items as discrete semantic tokens and predicts items in a generative manner. Despite its strong pe…

cs.AI2026

Is More Context Always Better? Examining LLM Reasoning Capability for Time Interval Prediction

Yanan Cao, Farnaz Fallahi, Murali Mohana Krishna Dandu +9

Large Language Models (LLMs) have demonstrated impressive capabilities in reasoning and prediction across different domains. Yet, their ability to infer temporal regularities from…

cs.LG2025

FUTURE: Flexible Unlearning for Tree Ensemble

Ziheng Chen, Jin Huang, Jiali Cheng +5

Tree ensembles are widely recognized for their effectiveness in classification tasks, achieving state-of-the-art performance across diverse domains, including bioinformatics, finan…

cs.IR2025

Personalized Product Search Ranking: A Multi-Task Learning Approach with Tabular and Non-Tabular Data

Lalitesh Morishetti, Abhay Kumar, Jonathan Scott +6

In this paper, we present a novel model architecture for optimizing personalized product search ranking using a multi-task learning (MTL) framework. Our approach uniquely integrate…

cs.CL2025

GRACE: Generative Recommendation via Journey-Aware Sparse Attention on Chain-of-Thought Tokenization

Luyi Ma, Wanjia Zhang, Kai Zhao +15

Generative models have recently demonstrated strong potential in multi-behavior recommendation systems, leveraging the expressive power of transformers and tokenization to generate…

cs.IR2024

Improving Sequential Recommender Systems with Online and In-store User Behavior

Luyi Ma, Aashika Padmanabhan, Anjana Ganesh +9

Online e-commerce platforms have been extending in-store shopping, which allows users to keep the canonical online browsing and checkout experience while exploring in-store shoppin…