Search Results for author: Xingwei Wang

Found 14 papers, 3 papers with code

Towards Unified Modeling for Positive and Negative Preferences in Sign-Aware Recommendation

no code implementations13 Mar 2024 YuTing Liu, Yizhou Dang, Yuliang Liang, Qiang Liu, Guibing Guo, Jianzhe Zhao, Xingwei Wang

Recently, sign-aware graph recommendation has drawn much attention as it will learn users' negative preferences besides positive ones from both positive and negative interactions (i. e., links in a graph) with items.

Computational Efficiency

Repeated Padding as Data Augmentation for Sequential Recommendation

no code implementations11 Mar 2024 Yizhou Dang, YuTing Liu, Enneng Yang, Guibing Guo, Linying Jiang, Xingwei Wang, Jianzhe Zhao

Specifically, we use the original interaction sequences as the padding content and fill it to the padding positions during model training.

Common Sense Reasoning Data Augmentation +1

Representation Surgery for Multi-Task Model Merging

1 code implementation5 Feb 2024 Enneng Yang, Li Shen, Zhenyi Wang, Guibing Guo, Xiaojun Chen, Xingwei Wang, DaCheng Tao

That is, there is a significant discrepancy in the representation distribution between the merged and individual models, resulting in poor performance of merged MTL.

Computational Efficiency Multi-Task Learning

ID Embedding as Subtle Features of Content and Structure for Multimodal Recommendation

no code implementations10 Nov 2023 YuTing Liu, Enneng Yang, Yizhou Dang, Guibing Guo, Qiang Liu, Yuliang Liang, Linying Jiang, Xingwei Wang

In this paper, we revisit the value of ID embeddings for multimodal recommendation and conduct a thorough study regarding its semantics, which we recognize as subtle features of content and structures.

Contrastive Learning Multimodal Recommendation

AdaMerging: Adaptive Model Merging for Multi-Task Learning

1 code implementation4 Oct 2023 Enneng Yang, Zhenyi Wang, Li Shen, Shiwei Liu, Guibing Guo, Xingwei Wang, DaCheng Tao

This approach aims to autonomously learn the coefficients for model merging, either in a task-wise or layer-wise manner, without relying on the original training data.

Multi-Task Learning

Continual Learning From a Stream of APIs

no code implementations31 Aug 2023 Enneng Yang, Zhenyi Wang, Li Shen, Nan Yin, Tongliang Liu, Guibing Guo, Xingwei Wang, DaCheng Tao

Next, we train the CL model by minimizing the gap between the responses of the CL model and the black-box API on synthetic data, to transfer the API's knowledge to the CL model.

Continual Learning

Federated Domain Generalization: A Survey

no code implementations2 Jun 2023 Ying Li, Xingwei Wang, Rongfei Zeng, Praveen Kumar Donta, Ilir Murturi, Min Huang, Schahram Dustdar

FDG combines the strengths of federated learning (FL) and domain generalization (DG) techniques to enable multiple source domains to collaboratively learn a model capable of directly generalizing to unseen domains while preserving data privacy.

Domain Generalization Federated Learning

Data Augmented Flatness-aware Gradient Projection for Continual Learning

no code implementations ICCV 2023 Enneng Yang, Li Shen, Zhenyi Wang, Shiwei Liu, Guibing Guo, Xingwei Wang

In this paper, we first revisit the gradient projection method from the perspective of flatness of loss surface, and find that unflatness of the loss surface leads to catastrophic forgetting of the old tasks when the projection constraint is reduced to improve the performance of new tasks.

Continual Learning

Uniform Sequence Better: Time Interval Aware Data Augmentation for Sequential Recommendation

1 code implementation16 Dec 2022 Yizhou Dang, Enneng Yang, Guibing Guo, Linying Jiang, Xingwei Wang, Xiaoxiao Xu, Qinghui Sun, Hong Liu

However, we observe that the time interval in a sequence may vary significantly different, and thus result in the ineffectiveness of user modeling due to the issue of \emph{preference drift}.

Data Augmentation Sequential Recommendation

CD$^2$: Fine-grained 3D Mesh Reconstruction With Twice Chamfer Distance

no code implementations1 Jun 2022 Rongfei Zeng, Mai Su, Ruiyun Yu, Xingwei Wang

By analyzing the mesh deformation process, we pinpoint that the inappropriate usage of Chamfer Distance (CD) loss is a root cause of VC and IT problems in deep learning model.

3D Reconstruction

Uncertainty-Aware Deep Co-training for Semi-supervised Medical Image Segmentation

no code implementations23 Nov 2021 Xu Zheng, Chong Fu, Haoyu Xie, Jialei Chen, Xingwei Wang, Chiu-Wing Sham

However, due to the scarcity of labeled data, the features extracted by the models are limited in supervised learning, and the quality of predictions for unlabeled data also cannot be guaranteed.

Image Segmentation Semantic Segmentation +1

Pareto-wise Ranking Classifier for Multi-objective Evolutionary Neural Architecture Search

no code implementations14 Sep 2021 Lianbo Ma, Nan Li, Guo Yu, Xiaoyu Geng, Min Huang, Xingwei Wang

In the deployment of deep neural models, how to effectively and automatically find feasible deep models under diverse design objectives is fundamental.

Neural Architecture Search

A Comprehensive Survey of Incentive Mechanism for Federated Learning

no code implementations27 Jun 2021 Rongfei Zeng, Chao Zeng, Xingwei Wang, Bo Li, Xiaowen Chu

Federated learning utilizes various resources provided by participants to collaboratively train a global model, which potentially address the data privacy issue of machine learning.

Federated Learning

VSE-ens: Visual-Semantic Embeddings with Efficient Negative Sampling

no code implementations5 Jan 2018 Guibing Guo, Songlin Zhai, Fajie Yuan, Yu-An Liu, Xingwei Wang

Jointing visual-semantic embeddings (VSE) have become a research hotpot for the task of image annotation, which suffers from the issue of semantic gap, i. e., the gap between images' visual features (low-level) and labels' semantic features (high-level).

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