activity
20202026
most citedAdversarial Privacy-preserving Filter

34 citations · 40 across the 10 of their papers we have counts for

collaborators

14 papers

cs.CL2026

Positional Failures in Long-Context LLMs: A Blind Spot in Reasoning Benchmarks

Chuyifei Zhang, Hongyu Cui, Xiaowen Huang +1

Position-controlled evaluation is standard for retrieval tasks such as Needle-in-a-Haystack and RULER, but mainstream reasoning benchmarks do not control positional placement of ta…

cs.IR2025

Membership Inference Attack against Large Language Model-based Recommendation Systems: A New Distillation-based Paradigm

Li Cuihong, Huang Xiaowen, Yin Chuanhuan +1

Membership Inference Attack (MIA) aims to determine whether a specific data sample was included in the training dataset of a target model. Traditional MIA approaches rely on shadow…

cs.IR2025

Understanding the Information Cocoon: A Multidimensional Assessment and Analysis of News Recommendation Systems

Xin Wang, Xiaowen Huang, Jitao Sang

Personalized news recommendation systems inadvertently create information cocoons--homogeneous information bubbles that reinforce user biases and amplify societal polarization. To…

cs.SI2025

When Algorithms Mirror Minds: A Confirmation-Aware Social Dynamic Model of Echo Chamber and Homogenization Traps

Ming Tang, Xiaowen Huang, Jitao Sang

Recommender systems increasingly suffer from echo chambers and user homogenization, systemic distortions arising from the dynamic interplay between algorithmic recommendations and…

cs.IR2025

Mitigating Filter Bubble from the Perspective of Community Detection: A Universal Framework

Ming Tang, Xiaowen Huang, Jitao Sang

In recent years, recommender systems have primarily focused on improving accuracy at the expense of diversity, which exacerbates the well-known filter bubble effect. This paper pro…

cs.IR2025

ITDR: An Instruction Tuning Dataset for Enhancing Large Language Models in Recommendations

Zekun Liu, Xiaowen Huang, Jitao Sang

Large language models (LLMs) have demonstrated outstanding performance in natural language processing tasks. However, in the field of recommender systems, due to the inherent struc…

cs.HC2024★ 2 cited

A LLM-based Controllable, Scalable, Human-Involved User Simulator Framework for Conversational Recommender Systems

Lixi Zhu, Xiaowen Huang, Jitao Sang

Conversational Recommender System (CRS) leverages real-time feedback from users to dynamically model their preferences, thereby enhancing the system's ability to provide personaliz…

cs.IR2024

Towards Robust Recommendation: A Review and an Adversarial Robustness Evaluation Library

Lei Cheng, Xiaowen Huang, Jitao Sang +1

Recently, recommender system has achieved significant success. However, due to the openness of recommender systems, they remain vulnerable to malicious attacks. Additionally, natur…

cs.AI2024

Exploring the Privacy Protection Capabilities of Chinese Large Language Models

Yuqi Yang, Xiaowen Huang, Jitao Sang

Large language models (LLMs), renowned for their impressive capabilities in various tasks, have significantly advanced artificial intelligence. Yet, these advancements have raised…

cs.AI2024

How Reliable is Your Simulator? Analysis on the Limitations of Current LLM-based User Simulators for Conversational Recommendation

Lixi Zhu, Xiaowen Huang, Jitao Sang

Conversational Recommender System (CRS) interacts with users through natural language to understand their preferences and provide personalized recommendations in real-time. CRS has…

cs.CV2022

Non-generative Generalized Zero-shot Learning via Task-correlated Disentanglement and Controllable Samples Synthesis

Yaogong Feng, Xiaowen Huang, Pengbo Yang +2

Synthesizing pseudo samples is currently the most effective way to solve the Generalized Zero-Shot Learning (GZSL) problem. Most models achieve competitive performance but still su…

cs.IR2021★ 3 cited

Learning to Learn a Cold-start Sequential Recommender

Xiaowen Huang, Jitao Sang, Jian Yu +1

The cold-start recommendation is an urgent problem in contemporary online applications. It aims to provide users whose behaviors are literally sparse with as accurate recommendatio…

cs.IR2021★ 1 cited

Knowledge Graph-enhanced Sampling for Conversational Recommender System

Mengyuan Zhao, Xiaowen Huang, Lixi Zhu +2

The traditional recommendation systems mainly use offline user data to train offline models, and then recommend items for online users, thus suffering from the unreliable estimatio…

cs.CR2020★ 34 cited

Adversarial Privacy-preserving Filter

Jiaming Zhang, Jitao Sang, Xian Zhao +3

While widely adopted in practical applications, face recognition has been critically discussed regarding the malicious use of face images and the potential privacy problems, e.g.,…