Search Results for author: Xinghua Zhang

Found 16 papers, 12 papers with code

Exploring Preference-Guided Diffusion Model for Cross-Domain Recommendation

no code implementations20 Jan 2025 XiaoDong Li, Hengzhu Tang, Jiawei Sheng, Xinghua Zhang, Li Gao, Suqi Cheng, Dawei Yin, Tingwen Liu

To this end, we explore to utilize the explicit information injection capability of DMs for user preference integration and propose a Preference-Guided Diffusion Model for CDR to cold-start users, termed as DMCDR.

Recommendation Systems

DEMO: Reframing Dialogue Interaction with Fine-grained Element Modeling

1 code implementation6 Dec 2024 Minzheng Wang, Xinghua Zhang, Kun Chen, Nan Xu, Haiyang Yu, Fei Huang, Wenji Mao, Yongbin Li

Despite the large volumes of dialogue-related studies, there is a lack of benchmark that encompasses comprehensive dialogue elements, which hinders precise modeling, generation and systematic evaluation.

Dialogue Generation Imitation Learning

IOPO: Empowering LLMs with Complex Instruction Following via Input-Output Preference Optimization

1 code implementation9 Nov 2024 Xinghua Zhang, Haiyang Yu, Cheng Fu, Fei Huang, Yongbin Li

In the realm of large language models (LLMs), the ability of models to accurately follow instructions is paramount as more agents and applications leverage LLMs for construction, where the complexity of instructions are rapidly increasing.

Instruction Following

On the Role of Attention Heads in Large Language Model Safety

1 code implementation17 Oct 2024 Zhenhong Zhou, Haiyang Yu, Xinghua Zhang, Rongwu Xu, Fei Huang, Kun Wang, Yang Liu, Junfeng Fang, Yongbin Li

In light of this, recent research on safety mechanisms has emerged, revealing that when safety representations or component are suppressed, the safety capability of LLMs are compromised.

Attribute Language Modeling +2

The Imperative of Conversation Analysis in the Era of LLMs: A Survey of Tasks, Techniques, and Trends

no code implementations21 Sep 2024 Xinghua Zhang, Haiyang Yu, Yongbin Li, Minzheng Wang, Longze Chen, Fei Huang

In the era of large language models (LLMs), a vast amount of conversation logs will be accumulated thanks to the rapid development trend of language UI.

Revealing the Challenge of Detecting Character Knowledge Errors in LLM Role-Playing

1 code implementation18 Sep 2024 Wenyuan Zhang, Jiawei Sheng, Shuaiyi Nie, Zefeng Zhang, Xinghua Zhang, Yongquan He, Tingwen Liu

Large language model (LLM) role-playing has gained widespread attention, where the authentic character knowledge is crucial for constructing realistic LLM role-playing agents.

Language Modeling Language Modelling +1

LoginMEA: Local-to-Global Interaction Network for Multi-modal Entity Alignment

1 code implementation29 Jul 2024 Taoyu Su, Xinghua Zhang, Jiawei Sheng, Zhenyu Zhang, Tingwen Liu

Other studies refine each uni-modal information with graph structures, but may introduce unnecessary relations in specific modalities.

Graph Attention Knowledge Graphs +1

IBMEA: Exploring Variational Information Bottleneck for Multi-modal Entity Alignment

1 code implementation27 Jul 2024 Taoyu Su, Jiawei Sheng, Shicheng Wang, Xinghua Zhang, Hongbo Xu, Tingwen Liu

To this end, we explore variational information bottleneck for multi-modal entity alignment (IBMEA), which emphasizes the alignment-relevant information and suppresses the alignment-irrelevant information in generating entity representations.

Knowledge Graphs Multi-modal Entity Alignment

Leave No Document Behind: Benchmarking Long-Context LLMs with Extended Multi-Doc QA

1 code implementation25 Jun 2024 Minzheng Wang, Longze Chen, Cheng Fu, Shengyi Liao, Xinghua Zhang, Bingli Wu, Haiyang Yu, Nan Xu, Lei Zhang, Run Luo, Yunshui Li, Min Yang, Fei Huang, Yongbin Li

Long-context modeling capabilities have garnered widespread attention, leading to the emergence of Large Language Models (LLMs) with ultra-context windows.

Benchmarking Long-Context Understanding +2

Adaptive Data Augmentation for Aspect Sentiment Quad Prediction

1 code implementation12 Jan 2024 Wenyuan Zhang, Xinghua Zhang, Shiyao Cui, Kun Huang, Xuebin Wang, Tingwen Liu

Aspect sentiment quad prediction (ASQP) aims to predict the quad sentiment elements for a given sentence, which is a critical task in the field of aspect-based sentiment analysis.

Aspect-Based Sentiment Analysis Data Augmentation +3

Wider and Deeper LLM Networks are Fairer LLM Evaluators

1 code implementation3 Aug 2023 Xinghua Zhang, Bowen Yu, Haiyang Yu, Yangyu Lv, Tingwen Liu, Fei Huang, Hongbo Xu, Yongbin Li

Each perspective corresponds to the role of a specific LLM neuron in the first layer.

A Cross-City Federated Transfer Learning Framework: A Case Study on Urban Region Profiling

no code implementations31 May 2022 Gaode Chen, Yijun Su, Xinghua Zhang, Anmin Hu, Guochun Chen, Siyuan Feng, Ji Xiang, Junbo Zhang, Yu Zheng

To address the above challenging problems, we propose a novel Cross-city Federated Transfer Learning framework (CcFTL) to cope with the data insufficiency and privacy problems.

Transfer Learning

Improving Distantly-Supervised Named Entity Recognition with Self-Collaborative Denoising Learning

1 code implementation EMNLP 2021 Xinghua Zhang, Bowen Yu, Tingwen Liu, Zhenyu Zhang, Jiawei Sheng, Mengge Xue, Hongbo Xu

Distantly supervised named entity recognition (DS-NER) efficiently reduces labor costs but meanwhile intrinsically suffers from the label noise due to the strong assumption of distant supervision.

Denoising named-entity-recognition +2

Exploring Periodicity and Interactivity in Multi-Interest Framework for Sequential Recommendation

1 code implementation7 Jun 2021 Gaode Chen, Xinghua Zhang, Yanyan Zhao, Cong Xue, Ji Xiang

Meanwhile, an ingenious graph is proposed to enhance the interactivity between items in user's behavior sequence, which can capture both global and local item features.

Sequential Recommendation

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