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Generative models of graphs are well-known, but many existing models are limited in scalability and expressivity. We present a novel sequential graphical variational autoencoder operating directly on graphical representations of data. In…

Machine Learning · Computer Science 2019-12-18 Bowen Jing , Ethan A. Chi , Jillian Tang

Multi-agent coordination is crucial for reliable multi-robot navigation in shared spaces such as automated warehouses. In regions of dense robot traffic, local coordination methods may fail to find a deadlock-free solution. In these…

Robotics · Computer Science 2025-03-06 Yue Meng , Nathalie Majcherczyk , Wenliang Liu , Scott Kiesel , Chuchu Fan , Federico Pecora

Recent advances in integrating positional and structural encodings (PSEs) into graph neural networks (GNNs) have significantly enhanced their performance across various graph learning tasks. However, the general applicability of these…

Machine Learning · Computer Science 2025-03-04 Billy Joe Franks , Moshe Eliasof , Semih Cantürk , Guy Wolf , Carola-Bibiane Schönlieb , Sophie Fellenz , Marius Kloft

Neural architecture search (NAS) automatically finds the best task-specific neural network topology, outperforming many manual architecture designs. However, it can be prohibitively expensive as the search requires training thousands of…

Machine Learning · Computer Science 2020-12-21 Chris Zhang , Mengye Ren , Raquel Urtasun

Graph autoencoders (GAE) and variational graph autoencoders (VGAE) emerged as two powerful groups of unsupervised node embedding methods, with various applications to graph-based machine learning problems such as link prediction and…

Machine Learning · Computer Science 2025-06-19 Guillaume Salha-Galvan

Neural Architecture Search (NAS) automates the design of high-performing neural networks but typically targets a single predefined task, thereby restricting its real-world applicability. To address this, Meta Neural Architecture Search…

Machine Learning · Computer Science 2025-08-14 Zijun Sun , Yanning Shen

Neural architecture search (NAS) has witnessed prevailing success in image classification and (very recently) segmentation tasks. In this paper, we present the first preliminary study on introducing the NAS algorithm to generative…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Xinyu Gong , Shiyu Chang , Yifan Jiang , Zhangyang Wang

Automated machine learning (AutoML) has seen a resurgence in interest with the boom of deep learning over the past decade. In particular, Neural Architecture Search (NAS) has seen significant attention throughout the AutoML research…

Neural and Evolutionary Computing · Computer Science 2020-09-23 Min Shi , David A. Wilson , Xingquan Zhu , Yu Huang , Yuan Zhuang , Jianxun Liu , Yufei Tang

Graph-structured data is integral to many applications, prompting the development of various graph representation methods. Graph autoencoders (GAEs), in particular, reconstruct graph structures from node embeddings. Current GAE models…

Machine Learning · Computer Science 2024-10-07 Shijin Duan , Ruyi Ding , Jiaxing He , Aidong Adam Ding , Yunsi Fei , Xiaolin Xu

Quantum circuit design is a key bottleneck for practical quantum machine learning on complex, real-world data. We present an automated framework that discovers and refines variational quantum circuits (VQCs) using graph-based Bayesian…

Quantum Physics · Physics 2025-12-11 Prashant Kumar Choudhary , Nouhaila Innan , Muhammad Shafique , Rajeev Singh

Neural Architecture Search (NAS) methods have been successfully applied to image tasks with excellent results. However, NAS methods are often complex and tend to converge to local minima as soon as generated architectures seem to yield good…

Neural and Evolutionary Computing · Computer Science 2022-08-16 Vasco Lopes , Miguel Santos , Bruno Degardin , Luís A. Alexandre

Graphs play an important role in many applications. Recently, Graph Neural Networks (GNNs) have achieved promising results in graph analysis tasks. Some state-of-the-art GNN models have been proposed, e.g., Graph Convolutional Networks…

Machine Learning · Computer Science 2021-09-29 Yaoman Li , Irwin King

Architecture design has become a crucial component of successful deep learning. Recent progress in automatic neural architecture search (NAS) shows a lot of promise. However, discovered architectures often fail to generalize in the final…

Machine Learning · Computer Science 2020-04-03 Guohao Li , Guocheng Qian , Itzel C. Delgadillo , Matthias Müller , Ali Thabet , Bernard Ghanem

Graph Auto-Encoders (GAEs) are powerful tools for graph representation learning. In this paper, we develop a novel Hierarchical Cluster-based GAE (HC-GAE), that can learn effective structural characteristics for graph data analysis. To this…

Machine Learning · Computer Science 2024-05-24 Zhuo Xu , Lu Bai , Lixin Cui , Ming Li , Yue Wang , Edwin R. Hancock

Neural architecture search (NAS) enables the automatic design of neural network models. However, training the candidates generated by the search algorithm for performance evaluation incurs considerable computational overhead. Our method,…

Machine Learning · Computer Science 2025-06-23 Zhenhan Huang , Tejaswini Pedapati , Pin-Yu Chen , Chunheng Jiang , Jianxi Gao

Predicting neural architecture performance is a challenging task and is crucial to neural architecture design and search. Existing approaches either rely on neural performance predictors which are limited to modeling architectures in a…

Machine Learning · Computer Science 2023-07-06 Keith G. Mills , Fred X. Han , Jialin Zhang , Fabian Chudak , Ali Safari Mamaghani , Mohammad Salameh , Wei Lu , Shangling Jui , Di Niu

Despite the empirical success of neural architecture search (NAS) in deep learning applications, the optimality, reproducibility and cost of NAS schemes remain hard to assess. In this paper, we propose Generative Adversarial NAS (GA-NAS)…

Machine Learning · Computer Science 2021-06-24 Seyed Saeed Changiz Rezaei , Fred X. Han , Di Niu , Mohammad Salameh , Keith Mills , Shuo Lian , Wei Lu , Shangling Jui

Graph neural networks (GNNs) emerged recently as a standard toolkit for learning from data on graphs. Current GNN designing works depend on immense human expertise to explore different message-passing mechanisms, and require manual…

Machine Learning · Computer Science 2021-06-25 Shaofei Cai , Liang Li , Jincan Deng , Beichen Zhang , Zheng-Jun Zha , Li Su , Qingming Huang

Learning network representations is a fundamental task for many graph applications such as link prediction, node classification, graph clustering, and graph visualization. Many real-world networks are interpreted as dynamic networks and…

Machine Learning · Computer Science 2019-10-07 Sedigheh Mahdavi , Shima Khoshraftar , Aijun An

Neural architecture search (NAS) automates the design process of high-performing architectures, but remains bottlenecked by expensive performance evaluation. Most existing studies that achieve faster evaluation are mostly tied to cell-based…

Machine Learning · Computer Science 2025-10-07 Shiwen Qin , Alexander Auras , Shay B. Cohen , Elliot J. Crowley , Michael Moeller , Linus Ericsson , Jovita Lukasik