no code implementations • 17 Mar 2025 • Yang Ji, Ying Sun, HengShu Zhu
Despite efforts on salary prediction based on job positions and talent demographics, there still lacks methods to effectively discern the set-structured skills' intricate composition effect on job salary.
1 code implementation • 26 Jan 2025 • Yang Ji, Ying Sun, Yuting Zhang, Zhigaoyuan Wang, Yuanxin Zhuang, Zheng Gong, Dazhong Shen, Chuan Qin, HengShu Zhu, Hui Xiong
Neural networks have achieved remarkable success across various fields.
1 code implementation • 29 Dec 2024 • Xiaona Sun, Zhenyu Wu, ZhiQiang Zhan, Yang Ji
Thus, we propose contrastive conditional alignment based on label shift calibration (CCA-LSC) for IDA, to address both covariate shift and label shift.
no code implementations • 27 May 2024 • Ziying Song, Feiyang Jia, Hongyu Pan, Yadan Luo, Caiyan Jia, Guoxin Zhang, Lin Liu, Yang Ji, Lei Yang, Li Wang
We propose the InstanceFusion module, which utilizes contrastive learning to generate similar instance features across heterogeneous modalities.
no code implementations • 13 Mar 2024 • Zhuoxin Chen, Zhenyu Wu, Yang Ji
In the second stage, DFL-FS employs federated feature regeneration based on global feature statistics and utilizes resampling and weighted covariance to calibrate the global classifier to enhance the model's adaptability to long-tailed data distributions.
no code implementations • 8 Feb 2024 • Linjie Li, Zhenyu Wu, Jiaming Liu, Yang Ji
Existing methods mainly focus on preserving representative samples from previous classes to combat catastrophic forgetting.
no code implementations • 21 Aug 2023 • Xiaona Sun, Zhenyu Wu, Yichen Liu, Saier Hu, ZhiQiang Zhan, Yang Ji
Unsupervised Domain Adaptation (UDA) approaches address the covariate shift problem by minimizing the distribution discrepancy between the source and target domains, assuming that the label distribution is invariant across domains.
no code implementations • 16 Aug 2023 • Jialin Guo, Zhenyu Wu, ZhiQiang Zhan, Yang Ji
Moreover, we noticed that the traditional calibration evaluation metric, Excepted Calibration Error (ECE), gives a higher weight to low-confidence samples in the minority classes, which leads to inaccurate evaluation of model calibration.
1 code implementation • 10 Aug 2021 • Moyu Zhang, Xinning Zhu, Chunhong Zhang, Yang Ji, Feng Pan, Changchuan Yin
In this paper, we propose Multi-Factors Aware Dual-Attentional model (MF-DAKT) which enriches question representations and utilizes multiple factors to model students' learning progress based on a dual-attentional mechanism.
no code implementations • 19 Nov 2018 • Wenfang Lin, Zhen-Yu Wu, Yang Ji
Data-driven fault diagnostics and prognostics suffers from class-imbalance problem in industrial systems and it raises challenges to common machine learning algorithms as it becomes difficult to learn the features of the minority class samples.