activity
20242026
most citedOptimizing E-commerce Search: Toward a Generalizable and Rank-Consistent Pre-Ranking Model

10 citations · 16 across the 8 of their papers we have counts for

collaborators

9 papers

cs.IR2026

OxygenREC-v2: Internalizing Discrimination into Generative Recommendation

Guo Tang, Hanye Wu, Changjiang Han +9

Generative recommendation unifies retrieval and ranking within a single model by autoregressively decoding semantic identifier (SID) sequences. Yet reliably incorporating behavior…

cs.IR2026

Relevance Matters: A Multi-Task and Multi-Stage Large Language Model Approach for E-commerce Query Rewriting

Aijun Dai, Jixiang Zhang, Haiqing Hu +3

For e-commerce search, user experience is measured by users' behavioral responses to returned products, like click-through rate and conversion rate, as well as the relevance betwee…

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.IR2025★ 5 cited

LREF: A Novel LLM-based Relevance Framework for E-commerce

Tian Tang, Zhixing Tian, Zhenyu Zhu +5

Query and product relevance prediction is a critical component for ensuring a smooth user experience in e-commerce search. Traditional studies mainly focus on BERT-based models to…

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…

cs.IR2024★ 10 cited

Optimizing E-commerce Search: Toward a Generalizable and Rank-Consistent Pre-Ranking Model

Enqiang Xu, Yiming Qiu, Junyang Bai +6

In large e-commerce platforms, search systems are typically composed of a series of modules, including recall, pre-ranking, and ranking phases. The pre-ranking phase, serving as a…