Search Results for author: Fangxin Wang

Found 17 papers, 2 papers with code

Federated In-Context LLM Agent Learning

no code implementations11 Dec 2024 Panlong Wu, Kangshuo Li, Junbao Nan, Fangxin Wang

In this paper, we propose a novel privacy-preserving Federated In-Context LLM Agent Learning (FICAL) algorithm, which to our best knowledge for the first work unleashes the power of in-context learning to train diverse LLM agents through FL.

Federated Learning In-Context Learning +3

Generative Semantic Communication: Architectures, Technologies, and Applications

no code implementations11 Dec 2024 Jinke Ren, Yaping Sun, Hongyang Du, Weiwen Yuan, Chongjie Wang, Xianda Wang, Yingbin Zhou, Ziwei Zhu, Fangxin Wang, Shuguang Cui

This system features two LLM-based AI agents at both the transmitter and receiver, serving as "brains" to enable powerful information understanding and content regeneration capabilities, respectively.

Retrieval Semantic Communication +1

Receiver-Centric Generative Semantic Communications

no code implementations5 Nov 2024 Xunze Liu, Yifei Sun, Zhaorui Wang, Lizhao You, Haoyuan Pan, Fangxin Wang, Shuguang Cui

To solve this problem, this paper presents a receiver-centric generative semantic communication system, where each transmission is initialized by the receiver.

Semantic Communication

BANGS: Game-Theoretic Node Selection for Graph Self-Training

1 code implementation12 Oct 2024 Fangxin Wang, Kay Liu, Sourav Medya, Philip S. Yu

Graph self-training is a semi-supervised learning method that iteratively selects a set of unlabeled data to retrain the underlying graph neural network (GNN) model and improve its prediction performance.

Graph Neural Network

Generative Semantic Communication for Text-to-Speech Synthesis

no code implementations4 Oct 2024 Jiahao Zheng, Jinke Ren, Peng Xu, Zhihao Yuan, Jie Xu, Fangxin Wang, Gui Gui, Shuguang Cui

Semantic communication is a promising technology to improve communication efficiency by transmitting only the semantic information of the source data.

Quantization Semantic Communication +3

DeformStream: Deformation-based Adaptive Volumetric Video Streaming

no code implementations25 Sep 2024 Boyan Li, YongTing Chen, Dayou Zhang, Fangxin Wang

Volumetric video streaming offers immersive 3D experiences but faces significant challenges due to high bandwidth requirements and latency issues in transmitting detailed content in real time.

Neural Rendering

Multi-level Personalized Federated Learning on Heterogeneous and Long-Tailed Data

no code implementations10 May 2024 Rongyu Zhang, Yun Chen, Chenrui Wu, Fangxin Wang, Bo Li

Federated learning (FL) offers a privacy-centric distributed learning framework, enabling model training on individual clients and central aggregation without necessitating data exchange.

Autonomous Vehicles Image Classification +2

Uncertainty in Graph Neural Networks: A Survey

no code implementations11 Mar 2024 Fangxin Wang, Yuqing Liu, Kay Liu, Yibo Wang, Sourav Medya, Philip S. Yu

Therefore, identifying, quantifying, and utilizing uncertainty are essential to enhance the performance of the model for the downstream tasks as well as the reliability of the GNN predictions.

Graph Learning Survey

Confidence-aware Fine-tuning of Sequential Recommendation Systems via Conformal Prediction

no code implementations14 Feb 2024 Chen Wang, Fangxin Wang, Ruocheng Guo, Yueqing Liang, Kay Liu, Philip S. Yu

Recognizing the critical role of confidence in aligning training objectives with evaluation metrics, we propose CPFT, a versatile framework that enhances recommendation confidence by integrating Conformal Prediction (CP)-based losses with CE loss during fine-tuning.

Conformal Prediction Model Selection +1

NetLLM: Adapting Large Language Models for Networking

no code implementations4 Feb 2024 Duo Wu, Xianda Wang, Yaqi Qiao, Zhi Wang, Junchen Jiang, Shuguang Cui, Fangxin Wang

Motivated by the recent success of large language models (LLMs), this work studies the LLM adaptation for networking to explore a more sustainable design philosophy.

Answer Generation Language Modelling +3

LMaaS: Exploring Pricing Strategy of Large Model as a Service for Communication

no code implementations5 Jan 2024 Panlong Wu, Qi Liu, Yanjie Dong, Fangxin Wang

In the first step, we optimize the seller's pricing decision and propose an Iterative Model Pricing (IMP) algorithm that optimizes the prices of large models iteratively by reasoning customers' future rental decisions, which is able to achieve a near-optimal pricing solution.

Intelligent Communication

Data Augmentation for Supervised Graph Outlier Detection via Latent Diffusion Models

1 code implementation29 Dec 2023 Kay Liu, Hengrui Zhang, Ziqing Hu, Fangxin Wang, Philip S. Yu

To bridge this gap, we introduce GODM, a novel data augmentation for mitigating class imbalance in supervised Graph Outlier detection via latent Diffusion Models.

Data Augmentation Denoising +1

ILCAS: Imitation Learning-Based Configuration-Adaptive Streaming for Live Video Analytics with Cross-Camera Collaboration

no code implementations19 Aug 2023 Duo Wu, Dayou Zhang, Miao Zhang, Ruoyu Zhang, Fangxin Wang, Shuguang Cui

The high-accuracy and resource-intensive deep neural networks (DNNs) have been widely adopted by live video analytics (VA), where camera videos are streamed over the network to resource-rich edge/cloud servers for DNN inference.

Deep Reinforcement Learning Imitation Learning

Unimodal Training-Multimodal Prediction: Cross-modal Federated Learning with Hierarchical Aggregation

no code implementations27 Mar 2023 Rongyu Zhang, Xiaowei Chi, Guiliang Liu, Wenyi Zhang, Yuan Du, Fangxin Wang

Multimodal learning has seen great success mining data features from multiple modalities with remarkable model performance improvement.

Decoder Federated Learning +1

FSVVD: A Dataset of Full Scene Volumetric Video

no code implementations7 Mar 2023 Kaiyuan Hu, Yili Jin, Haowen Yang, Junhua Liu, Fangxin Wang

Recent years have witnessed a rapid development of immersive multimedia which bridges the gap between the real world and virtual space.

Cannot find the paper you are looking for? You can Submit a new open access paper.