activity
20242026
most citedGenerative Retrieval with Preference Optimization for E-commerce Search

1 citations · 1 across the 10 of their papers we have counts for

collaborators

10 papers

cs.AI2026

A Better Spur Should Start From Each Objective

Shanwen Mao, Hao Zhang, Guangtao nie +4

Real-world Multi-Objective Reinforcement Learning (MORL) often suffers from sparse rewards, reward conflicts, and late-stage reward tug-of-war, causing traditional linear scalariza…

cs.IR2026

CogRec: Structure-Cognitive Fast-and-Slow Reasoning for Generative Recommendation

Xiang Liu, Jingsong Su, Shuqi Zhao +7

Semantic-ID-based generative recommendation represents each item as a hierarchical discrete token sequence and reformulates next-item prediction as constrained sequence generation.…

cs.IR2026

HoloRec: Holistic Encoding and Interleaved Reasoning for Generative Recommendation

Shuqi Zhao, Jingsong Su, Xiang Liu +9

Generative recommendation models that formulate the task as sequence generation overcome the objective fragmentation problem of traditional cascade architectures, yet existing appr…

cs.IR2026

Towards Efficient and Generalizable Retrieval: Adaptive Semantic Quantization and Residual Knowledge Transfer

Huimu Wang, Xingzhi Yao, Yiming Qiu +6

While semantic ID-based generative retrieval enables efficient end-to-end modeling in industrial applications, these methods face a persistent trade-off. On one hand, data-rich hea…

cs.IR2026

RAD-DPO: Robust Adaptive Denoising Direct Preference Optimization for Generative Retrieval in E-commerce

Zhiguo Chen, Guohao Sun, Yiming Qiu +6

Generative Retrieval (GR) is rapidly transforming e-commerce search by replacing traditional multi-stage pipelines with the autoregressive decoding of structured Semantic IDs (SIDs…

cs.IR2025

A Simple and Effective Framework for Symmetric Consistent Indexing in Large-Scale Dense Retrieval

Huimu Wang, Yiming Qiu, Xingzhi Yao +5

Dense retrieval has become the industry standard in large-scale information retrieval systems due to its high efficiency and competitive accuracy. Its core relies on a coarse-to-fi…

cs.LG2024

MODRL-TA:A Multi-Objective Deep Reinforcement Learning Framework for Traffic Allocation in E-Commerce Search

Peng Cheng, Huimu Wang, Jinyuan Zhao +8

Traffic allocation is a process of redistributing natural traffic to products by adjusting their positions in the post-search phase, aimed at effectively fostering merchant growth,…

cs.IR2024

Breaking the Hourglass Phenomenon of Residual Quantization: Enhancing the Upper Bound of Generative Retrieval

Zhirui Kuai, Zuxu Chen, Huimu Wang +11

Generative retrieval (GR) has emerged as a transformative paradigm in search and recommender systems, leveraging numeric-based identifier representations to enhance efficiency and…

cs.IR2024★ 1 cited

Generative Retrieval with Preference Optimization for E-commerce Search

Mingming Li, Huimu Wang, Zuxu Chen +5

Generative retrieval introduces a groundbreaking paradigm to document retrieval by directly generating the identifier of a pertinent document in response to a specific query. This…

cs.IR2024

A Preference-oriented Diversity Model Based on Mutual-information in Re-ranking for E-commerce Search

Huimu Wang, Mingming Li, Dadong Miao +5

Re-ranking is a process of rearranging ranking list to more effectively meet user demands by accounting for the interrelationships between items. Existing methods predominantly enh…