Search Results for author: Yichao Wang

Found 30 papers, 8 papers with code

SampleLLM: Optimizing Tabular Data Synthesis in Recommendations

no code implementations27 Jan 2025 Jingtong Gao, Zhaocheng Du, Xiaopeng Li, Yichao Wang, Xiangyang Li, Huifeng Guo, Ruiming Tang, Xiangyu Zhao

This limitation arises from their difficulty in capturing complex distributions and understanding feature relationships from sparse and limited data, along with their inability to grasp semantic feature relations.

Few-Shot Learning Recommendation Systems

Cyber-physical Defense for Heterogeneous Multi-agent Systems Against Exponentially Unbounded Attacks on Signed Digraphs

no code implementations2 Jan 2025 Yichao Wang, Mohamadamin Rajabinezhad, Yi Zhang, Shan Zuo

The attack-resilient compensators address the EU-FDI attacks on the OL and guarantee the uniformly ultimately bounded (UUB) estimation of the leaders' states.

Privacy-Preserving Distributed Defense Framework for DC Microgrids Against Exponentially Unbounded False Data Injection Attacks

no code implementations31 Dec 2024 Yi Zhang, Mohamadamin Rajabinezhad, Yichao Wang, Junbo Zhao, Shan Zuo

This paper introduces a novel, fully distributed control framework for DC microgrids, enhancing resilience against exponentially unbounded false data injection (EU-FDI) attacks.

Privacy Preserving

Scenario-Wise Rec: A Multi-Scenario Recommendation Benchmark

1 code implementation23 Dec 2024 Xiaopeng Li, Jingtong Gao, Pengyue Jia, Yichao Wang, Wanyu Wang, Yejing Wang, Yuhao Wang, Xiangyu Zhao, Huifeng Guo, Ruiming Tang

Multi Scenario Recommendation (MSR) tasks, referring to building a unified model to enhance performance across all recommendation scenarios, have recently gained much attention.

Bridging Relevance and Reasoning: Rationale Distillation in Retrieval-Augmented Generation

no code implementations11 Dec 2024 Pengyue Jia, Derong Xu, Xiaopeng Li, Zhaocheng Du, Xiangyang Li, Xiangyu Zhao, Yichao Wang, Yuhao Wang, Huifeng Guo, Ruiming Tang

The reranker and generator are two critical components in the Retrieval-Augmented Generation (i. e., RAG) pipeline, responsible for ranking relevant documents and generating responses.

RAG Retrieval

Transient-Safe and Attack-Resilient Secondary Control in AC Microgrids Under Polynomially Unbounded FDI Attacks

no code implementations7 Oct 2024 Mohamadamin Rajabinezhad, Nesa Shams, Yichao Wang, Shan Zuo

This letter proposes a novel, fully distributed, transient-safe resilient secondary control strategies for AC microgrids, addressing unbounded false data injection (FDI) attacks on control input channels.

Prompt Tuning as User Inherent Profile Inference Machine

no code implementations13 Aug 2024 Yusheng Lu, Zhaocheng Du, Xiangyang Li, Xiangyu Zhao, Weiwen Liu, Yichao Wang, Huifeng Guo, Ruiming Tang, Zhenhua Dong, Yongrui Duan

And employs expectation maximization to infer the embedded latent profile, minimizing textual noise by fixing the prompt template.

Quantization Recommendation Systems +1

LLM4Rerank: LLM-based Auto-Reranking Framework for Recommendations

no code implementations18 Jun 2024 Jingtong Gao, Bo Chen, Weiwen Liu, Xiangyang Li, Yichao Wang, Wanyu Wang, Huifeng Guo, Ruiming Tang, Xiangyu Zhao

Reranking is a critical component in recommender systems, playing an essential role in refining the output of recommendation algorithms.

Diversity Fairness +1

LLM4MSR: An LLM-Enhanced Paradigm for Multi-Scenario Recommendation

no code implementations18 Jun 2024 Yuhao Wang, Yichao Wang, Zichuan Fu, Xiangyang Li, Xiangyu Zhao, Huifeng Guo, Ruiming Tang

As the demand for more personalized recommendation grows and a dramatic boom in commercial scenarios arises, the study on multi-scenario recommendation (MSR) has attracted much attention, which uses the data from all scenarios to simultaneously improve their recommendation performance.

Language Modelling Large Language Model +1

CELA: Cost-Efficient Language Model Alignment for CTR Prediction

1 code implementation17 May 2024 Xingmei Wang, Weiwen Liu, Xiaolong Chen, Qi Liu, Xu Huang, Yichao Wang, Xiangyang Li, Yasheng Wang, Zhenhua Dong, Defu Lian, Ruiming Tang

This model-agnostic framework can be equipped with plug-and-play textual features, with item-level alignment enhancing the utilization of external information while maintaining training and inference efficiency.

Click-Through Rate Prediction Collaborative Filtering +3

M-scan: A Multi-Scenario Causal-driven Adaptive Network for Recommendation

no code implementations11 Apr 2024 Jiachen Zhu, Yichao Wang, Jianghao Lin, Jiarui Qin, Ruiming Tang, Weinan Zhang, Yong Yu

Furthermore, through causal graph analysis, we have discovered that the scenario itself directly influences click behavior, yet existing approaches directly incorporate data from other scenarios during the training of the current scenario, leading to prediction biases when they directly utilize click behaviors from other scenarios to train models.

counterfactual Counterfactual Inference

LLMTreeRec: Unleashing the Power of Large Language Models for Cold-Start Recommendations

1 code implementation31 Mar 2024 Wenlin Zhang, Chuhan Wu, Xiangyang Li, Yuhao Wang, Kuicai Dong, Yichao Wang, Xinyi Dai, Xiangyu Zhao, Huifeng Guo, Ruiming Tang

The lack of training data gives rise to the system cold-start problem in recommendation systems, making them struggle to provide effective recommendations.

Recommendation Systems Re-Ranking +1

ERASE: Benchmarking Feature Selection Methods for Deep Recommender Systems

2 code implementations19 Mar 2024 Pengyue Jia, Yejing Wang, Zhaocheng Du, Xiangyu Zhao, Yichao Wang, Bo Chen, Wanyu Wang, Huifeng Guo, Ruiming Tang

Secondly, the existing literature's lack of detailed analysis on selection attributes, based on large-scale datasets and a thorough comparison among selection techniques and DRS backbones, restricts the generalizability of findings and impedes deployment on DRS.

Benchmarking feature selection +1

A Unified Framework for Multi-Domain CTR Prediction via Large Language Models

1 code implementation17 Dec 2023 Zichuan Fu, Xiangyang Li, Chuhan Wu, Yichao Wang, Kuicai Dong, Xiangyu Zhao, Mengchen Zhao, Huifeng Guo, Ruiming Tang

Click-Through Rate (CTR) prediction is a crucial task in online recommendation platforms as it involves estimating the probability of user engagement with advertisements or items by clicking on them.

Click-Through Rate Prediction Language Modelling +2

Resilient Model-Free Asymmetric Bipartite Consensus for Nonlinear Multi-Agent Systems against DoS Attacks

no code implementations29 Sep 2023 Yi Zhang, Yichao Wang, Junbo Zhao, Shan Zuo

In this letter, we study an unified resilient asymmetric bipartite consensus (URABC) problem for nonlinear multi-agent systems with both cooperative and antagonistic interactions under denial-of-service (DoS) attacks.

Distributed Resilient Control of DC Microgrids Under Generally Unbounded FDI Attacks

no code implementations29 Sep 2023 Yichao Wang, Mohamadamin Rajabinezhad, Omar A. Beg, Shan Zuo

Due to the nature of distributed secondary control paradigm, DC microgrids are prone to malicious cyber-physical attacks, which could be unbounded to maximize their damage.

HAMUR: Hyper Adapter for Multi-Domain Recommendation

2 code implementations12 Sep 2023 Xiaopeng Li, Fan Yan, Xiangyu Zhao, Yichao Wang, Bo Chen, Huifeng Guo, Ruiming Tang

Secondly, due to the distribution differences among domains, the utilization of static parameters in existing methods limits their flexibility to adapt to diverse domains.

Scenario-Aware Hierarchical Dynamic Network for Multi-Scenario Recommendation

no code implementations5 Sep 2023 Jingtong Gao, Bo Chen, Menghui Zhu, Xiangyu Zhao, Xiaopeng Li, Yuhao Wang, Yichao Wang, Huifeng Guo, Ruiming Tang

To address these limitations, we propose a Scenario-Aware Hierarchical Dynamic Network for Multi-Scenario Recommendations (HierRec), which perceives implicit patterns adaptively and conducts explicit and implicit scenario modeling jointly.

Click-Through Rate Prediction

Multi-Task Deep Recommender Systems: A Survey

no code implementations7 Feb 2023 Yuhao Wang, Ha Tsz Lam, Yi Wong, Ziru Liu, Xiangyu Zhao, Yichao Wang, Bo Chen, Huifeng Guo, Ruiming Tang

Multi-task learning (MTL) aims at learning related tasks in a unified model to achieve mutual improvement among tasks considering their shared knowledge.

Multi-Task Learning Recommendation Systems +2

Resilient Containment Control of Heterogeneous Multi-Agent Systems Against Unbounded Sensor and Actuator Attacks

no code implementations18 Jan 2023 Shan Zuo, Yi Zhang, Yichao Wang

To this end, we consider the resilient containment control problem of general linear heterogeneous MAS in the face of correlated and unbounded sensor attacks, as well as general unbounded actuator attacks.

3D Human Mesh Construction Leveraging Wi-Fi

no code implementations20 Oct 2022 Yichao Wang, Jie Yang

In this paper, we present, Wi-Mesh, a WiFi vision-based 3D human mesh construction system.

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

2 code implementations18 Oct 2022 Xiangyang Li, Bo Chen, Huifeng Guo, Jingjie Li, Chenxu Zhu, Xiang Long, Sujian Li, Yichao Wang, Wei Guo, Longxia Mao, JinXing Liu, Zhenhua Dong, Ruiming Tang

FE-Block module performs fine-grained and early feature interactions to capture the interactive signals between user and item towers explicitly and CIR module leverages a contrastive interaction regularization to further enhance the interactions implicitly.

A Comprehensive Survey of Natural Language Generation Advances from the Perspective of Digital Deception

no code implementations11 Aug 2022 Keenan Jones, Enes Altuncu, Virginia N. L. Franqueira, Yichao Wang, Shujun Li

In recent years there has been substantial growth in the capabilities of systems designed to generate text that mimics the fluency and coherence of human language.

Misinformation Text Generation

A Practical Incremental Method to Train Deep CTR Models

no code implementations4 Sep 2020 Yichao Wang, Huifeng Guo, Ruiming Tang, Zhirong Liu, Xiuqiang He

Deep learning models in recommender systems are usually trained in the batch mode, namely iteratively trained on a fixed-size window of training data.

Incremental Learning Recommendation Systems

Personalized Re-ranking for Improving Diversity in Live Recommender Systems

no code implementations14 Apr 2020 Yichao Wang, Xiangyu Zhang, Zhirong Liu, Zhenhua Dong, Xinhua Feng, Ruiming Tang, Xiuqiang He

To overcome such limitation, our re-ranking model proposes a personalized DPP to model the trade-off between accuracy and diversity for each individual user.

Diversity Recommendation Systems +1

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