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cs.LG2026

Graph Learning with Spectral Connectivity Priors for Scarce Data

Mingxiao Liu, Bahar Oveisgharan, Bingyan Zou +3

Learning a sparse graph from scarce data is practically important but challenging. Motivated by the desirable combination of local sparsity and strong global connectivity exhibited…

cs.LG2026

Beyond Independent Manipulation: Individual Fairness-aware Strategic Classification with Peer Imitation

Xinpeng Lv, Chunyuan Zheng, Yunxin Mao +9

Strategic classification (SC) investigates scenarios where agents manipulate their features to obtain favorable decisions from predictive models. Existing fairness-aware SC approac…

cs.LG2026

Bridge the Gaps: Heterogeneous Attributed Graph Clustering via Quaternion Representation Learning

Xinxi Chen, Junyang Chen, Yiqun Zhang +2

Attributed graph clustering partitions nodes by jointly exploiting node attributes and graph topology. It remains challenging due to attribute heterogeneity and representation degr…

cs.LG2026

When Hard Negatives Hurt: Bridging the Generative-Discriminative Gap in Hard Negative Synthesis for Retrieval

Zhicheng Zhang, Jiwei Tang, Kuicai Dong +9

Hard negative mining has become the dominant strategy for training retrievers, yet it faces intrinsic limitations: negatives are bounded by corpus availability, selected by retriev…

cs.LG2026★ 75 cited

Towards Accurate Model Selection in Deep Unsupervised Domain Adaptation

Kaichao You, Ximei Wang, Mingsheng Long +1

Deep unsupervised domain adaptation (Deep UDA) methods successfully leverage rich labeled data in a source domain to boost the performance on related but unlabeled data in a target…

cs.LG2026

Learning Laplacian Eigenspace with Mass-Aware Neural Operators on Point Clouds

Zherui Yang, Tao Du, Ligang Liu

The eigendecomposition of the Laplace--Beltrami Operator (LBO) is fundamental to geometric analysis, yet computing its low-frequency eigenmodes remains a significant bottleneck due…

cs.LG2026★ 1 cited

Atoms of Thought: Universal EEG Representation Learning with Microstates

Xinyang Tian, Ruitao Liu, Ziyi Ye +3

Learning universal representations from electroencephalogram (EEG) signals is a cutting-edge approach in the field of neuroinformatics and brain-computer interfaces (BCIs). Convent…

cs.LG2026

FedGMI: Generative Model-Driven Federated Learning for Probabilistic Mixture Inference

Qijun Hou, Yuchen Shi, Pingyi Fan +1

Federated Learning (FL) facilitates collaborative model training across decentralized clients while preserving data privacy by avoiding raw data exchange. Despite its potential, FL…

cs.LG2026★ 1 cited

RaDAR: Relation-aware Diffusion-Asymmetric Graph Contrastive Learning for Recommendation

Yixuan Huang, Jiawei Chen, Shengfan Zhang +1

Collaborative filtering (CF) recommendation has been significantly advanced by integrating Graph Neural Networks (GNNs) and Graph Contrastive Learning (GCL). However, (i) random ed…

cs.LG2026

FuseDiff: Symmetry-Preserving Joint Diffusion for Dual-Target Structure-Based Drug Design

Jianliang Wu, Anjie Qiao, Zhen Wang +2

Dual-target structure-based drug design aims to generate a single ligand together with two pocket-specific binding poses, each compatible with a corresponding target pocket, enabli…

cs.LG2026★ 1 cited

Uncertainty-Aware Data-Based Method for Fast and Reliable Shape Optimization

Yunjia Yang, Runze Li, Yufei Zhang +1

Data-based optimization (DBO) offers a promising approach for efficiently optimizing shape for better aerodynamic performance by leveraging a pretrained surrogate model for offline…

cs.LG2026

One-Shot Price Forecasting with Covariate-Guided Experts under Privacy Constraints

Ren He, Yinliang Xu, Jinfeng Wang +2

Forecasting in power systems often involves multivariate time series with complex dependencies and strict privacy constraints across regions. Traditional forecasting methods requir…