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Related papers: OptiMAG: Structure-Semantic Alignment via Unbalanc…

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In optimal transport (OT), a Monge map is known as a mapping that transports a source distribution to a target distribution in the most cost-efficient way. Recently, multiple neural estimators for Monge maps have been developed and applied…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Luca Eyring , Dominik Klein , Théo Uscidda , Giovanni Palla , Niki Kilbertus , Zeynep Akata , Fabian Theis

One main challenge in imbalanced graph classification is to learn expressive representations of the graphs in under-represented (minority) classes. Existing generic imbalanced learning methods, such as oversampling and imbalanced learning…

Machine Learning · Computer Science 2024-05-20 Rongrong Ma , Guansong Pang , Ling Chen

We study the unbalanced optimal transport (UOT) problem, where the marginal constraints are enforced using Maximum Mean Discrepancy (MMD) regularization. Our work is motivated by the observation that the literature on UOT is focused on…

Machine Learning · Computer Science 2024-02-01 Piyushi Manupriya , J. Saketha Nath , Pratik Jawanpuria

Analogical reasoning is fundamental to human cognition and holds an important place in various fields. However, previous studies mainly focus on single-modal analogical reasoning and ignore taking advantage of structure knowledge. Notably,…

Computation and Language · Computer Science 2023-03-02 Ningyu Zhang , Lei Li , Xiang Chen , Xiaozhuan Liang , Shumin Deng , Huajun Chen

This paper introduces OptiGridML, a machine learning framework for discrete topology optimization in power grids. The task involves selecting substation breaker configurations that maximize cross-region power exports, a problem typically…

Machine Learning · Computer Science 2025-08-05 Dekang Meng , Rabab Haider , Pascal van Hentenryck

Textual descriptions for multimodal inputs entail recurrent refinement of queries to produce relevant output images. Despite efforts to address challenges such as scaling model size and data volume, the cost associated with pre-training and…

Machine Learning · Computer Science 2025-08-14 Amit Kumar Jaiswal , Haiming Liu , Ingo Frommholz

Ontology matching (OM) entails the identification of semantic relationships between concepts within two or more knowledge graphs (KGs) and serves as a critical step in integrating KGs from various sources. Recent advancements in deep OM…

Machine Learning · Computer Science 2023-10-09 Zhu Wang

The deployment of mobile robots in large-scale, multi-floor environments demands navigation systems that achieve spatial scalability without compromising local kinematic precision. Traditional navigation stacks, reliant on monolithic…

Robotics · Computer Science 2026-03-31 Yongqi Zhang , Jiajie Zhang , Chengqian Li , Fujing Xie , Sören Schwertfeger

Graph comparison deals with identifying similarities and dissimilarities between graphs. A major obstacle is the unknown alignment of graphs, as well as the lack of accurate and inexpensive comparison metrics. In this work we introduce the…

Machine Learning · Computer Science 2021-12-09 Hermina Petric Maretic , Mireille El Gheche , Giovanni Chierchia , Pascal Frossard

Despite the success of multimodal contrastive learning in aligning visual and linguistic representations, a persistent geometric anomaly, the Modality Gap, remains: embeddings of distinct modalities expressing identical semantics occupy…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Xiaomin Yu , Yi Xin , Yuhui Zhang , Wenjie Zhang , Chonghan Liu , Hanzhen Zhao , Chen Liu , Xiaoxing Hu , Ziyue Qiao , Hao Tang , Xiaobin Hu , Chengwei Qin , Hui Xiong , Yu Qiao , Shuicheng Yan

In many machine learning applications, it is necessary to meaningfully aggregate, through alignment, different but related datasets. Optimal transport (OT)-based approaches pose alignment as a divergence minimization problem: the aim is to…

Machine Learning · Statistics 2019-11-05 John Lee , Max Dabagia , Eva L. Dyer , Christopher J. Rozell

Recent advances in multimodal single-cell technologies have enabled simultaneous acquisitions of multiple omics data from the same cell, providing deeper insights into cellular states and dynamics. However, it is challenging to learn the…

Machine Learning · Computer Science 2022-11-08 Hongzhi Wen , Jiayuan Ding , Wei Jin , Yiqi Wang , Yuying Xie , Jiliang Tang

Ontology Alignment (OA) is essential for enabling semantic interoperability across heterogeneous knowledge systems. While recent advances have focused on large language models (LLMs) for capturing contextual semantics, this work revisits…

Artificial Intelligence · Computer Science 2025-10-01 Hamed Babaei Giglou , Jennifer D'Souza , Sören Auer , Mahsa Sanaei

This paper addresses the problems of missing reasoning chains and insufficient entity-level semantic understanding in large language models when dealing with tasks that require structured knowledge. It proposes a fine-tuning algorithm…

Computation and Language · Computer Science 2025-08-21 Wuyang Zhang , Yexin Tian , Xiandong Meng , Mengjie Wang , Junliang Du

Contrastive loss has been increasingly used in learning representations from multiple modalities. In the limit, the nature of the contrastive loss encourages modalities to exactly match each other in the latent space. Yet it remains an open…

Machine Learning · Computer Science 2023-03-13 Qian Jiang , Changyou Chen , Han Zhao , Liqun Chen , Qing Ping , Son Dinh Tran , Yi Xu , Belinda Zeng , Trishul Chilimbi

Workshop version accepted at KDD 2025 (AI4SupplyChain). Connecting an ever-expanding catalogue of products with suitable manufacturers and suppliers is critical for resilient, efficient global supply chains, yet traditional methods struggle…

Machine Learning · Computer Science 2025-08-14 Yunqing Li , Zixiang Tang , Jiaying Zhuang , Zhenyu Yang , Farhad Ameri , Jianbang Zhang

In light of their capability to capture structural information while reducing computing complexity, anchor graph-based multi-view clustering (AGMC) methods have attracted considerable attention in large-scale clustering problems.…

Machine Learning · Computer Science 2025-09-19 Zhiyuan Xue , Ben Yang , Xuetao Zhang , Fei Wang , Zhiping Lin

We formulate and solve a class of finite-time transport and mixing problems in the set-oriented framework. The aim is to obtain optimal discrete-time perturbations in nonlinear dynamical systems to transport a specified initial measure on…

Dynamical Systems · Mathematics 2017-11-22 Piyush Grover , Karthik Elamvazhuthi

We study self-supervised procedure learning, which discovers key steps and their order from a set of unlabeled videos. Previous methods typically learn frame-to-frame correspondences between videos before determining key steps and their…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Syed Ahmed Mahmood , Ali Shah Ali , Umer Ahmed , Fawad Javed Fateh , M. Zeeshan Zia , Quoc-Huy Tran

Current Graph Neural Networks (GNN) architectures generally rely on two important components: node features embedding through message passing, and aggregation with a specialized form of pooling. The structural (or topological) information…

Machine Learning · Computer Science 2022-06-01 Cédric Vincent-Cuaz , Rémi Flamary , Marco Corneli , Titouan Vayer , Nicolas Courty