activity
20202025
most citedAutoFIS: Automatic Feature Interaction Selection in Factorization Models for Click-Through Rate Prediction

36 citations · 65 across the 13 of their papers we have counts for

collaborators

14 papers

cs.IR2025

Generative Representational Learning of Foundation Models for Recommendation

Zheli Zhou, Chenxu Zhu, Jianghao Lin +4

Developing a single foundation model with the capability to excel across diverse tasks has been a long-standing objective in the field of artificial intelligence. As the wave of ge…

cs.IR2025

LLM4Tag: Automatic Tagging System for Information Retrieval via Large Language Models

Ruiming Tang, Chenxu Zhu, Bo Chen +4

Tagging systems play an essential role in various information retrieval applications such as search engines and recommender systems. Recently, Large Language Models (LLMs) have bee…

cs.IR2025

Full-Stack Optimized Large Language Models for Lifelong Sequential Behavior Comprehension in Recommendation

Rong Shan, Jiachen Zhu, Jianghao Lin +5

In this paper, we address the lifelong sequential behavior incomprehension problem in large language models (LLMs) for recommendation, where LLMs struggle to extract useful informa…

cs.IR2024

An Automatic Graph Construction Framework based on Large Language Models for Recommendation

Rong Shan, Jianghao Lin, Chenxu Zhu +7

Graph neural networks (GNNs) have emerged as state-of-the-art methods to learn from graph-structured data for recommendation. However, most existing GNN-based recommendation method…

cs.IR2024

LIBER: Lifelong User Behavior Modeling Based on Large Language Models

Chenxu Zhu, Shigang Quan, Bo Chen +7

CTR prediction plays a vital role in recommender systems. Recently, large language models (LLMs) have been applied in recommender systems due to their emergence abilities. While le…

cs.IR2024★ 5 cited

AIE: Auction Information Enhanced Framework for CTR Prediction in Online Advertising

Yang Yang, Bo Chen, Chenxu Zhu +6

Click-Through Rate (CTR) prediction is a fundamental technique for online advertising recommendation and the complex online competitive auction process also brings many difficultie…

cs.IR2024★ 1 cited

Vector Quantization for Recommender Systems: A Review and Outlook

Qijiong Liu, Xiaoyu Dong, Jiaren Xiao +6

Vector quantization, renowned for its unparalleled feature compression capabilities, has been a prominent topic in signal processing and machine learning research for several decad…

cs.IR2023★ 1 cited

FLIP: Fine-grained Alignment between ID-based Models and Pretrained Language Models for CTR Prediction

Hangyu Wang, Jianghao Lin, Xiangyang Li +5

Click-through rate (CTR) prediction plays as a core function module in various personalized online services. The traditional ID-based models for CTR prediction take as inputs the o…

cs.IR2023★ 1 cited

ReLLa: Retrieval-enhanced Large Language Models for Lifelong Sequential Behavior Comprehension in Recommendation

Jianghao Lin, Rong Shan, Chenxu Zhu +6

With large language models (LLMs) achieving remarkable breakthroughs in natural language processing (NLP) domains, LLM-enhanced recommender systems have received much attention and…

cs.IR2023★ 21 cited

How Can Recommender Systems Benefit from Large Language Models: A Survey

Jianghao Lin, Xinyi Dai, Yunjia Xi +11

With the rapid development of online services, recommender systems (RS) have become increasingly indispensable for mitigating information overload. Despite remarkable progress, con…

cs.IR2022

IntTower: the Next Generation of Two-Tower Model for Pre-Ranking System

Xiangyang Li, Bo Chen, HuiFeng Guo +10

Scoring a large number of candidates precisely in several milliseconds is vital for industrial pre-ranking systems. Existing pre-ranking systems primarily adopt the \textbf{two-tow…

cs.IR2021

AIM: Automatic Interaction Machine for Click-Through Rate Prediction

Chenxu Zhu, Bo Chen, Weinan Zhang +5

Feature embedding learning and feature interaction modeling are two crucial components of deep models for Click-Through Rate (CTR) prediction. Most existing deep CTR models suffer…

cs.IR2021

QA4PRF: A Question Answering based Framework for Pseudo Relevance Feedback

Handong Ma, Jiawei Hou, Chenxu Zhu +6

Pseudo relevance feedback (PRF) automatically performs query expansion based on top-retrieved documents to better represent the user's information need so as to improve the search…

cs.LG2020★ 36 cited

AutoFIS: Automatic Feature Interaction Selection in Factorization Models for Click-Through Rate Prediction

Bin Liu, Chenxu Zhu, Guilin Li +6

Learning feature interactions is crucial for click-through rate (CTR) prediction in recommender systems. In most existing deep learning models, feature interactions are either manu…