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In recommendation systems, high-quality user embeddings can capture subtle preferences, enable precise similarity calculations, and adapt to changing preferences over time to maintain relevance. The effectiveness of recommendation systems…

The many variations of Implicit Neural Representations (INRs), where a neural network is trained as a continuous representation of a signal, have tremendous practical utility for downstream tasks including novel view synthesis, video…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Namitha Padmanabhan , Matthew Gwilliam , Pulkit Kumar , Shishira R Maiya , Max Ehrlich , Abhinav Shrivastava

Non-Euclidean constraints are inherent in many kinds of data in computer vision and machine learning, typically as a result of specific invariance requirements that need to be respected during high-level inference. Often, these geometric…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Suhas Lohit , Pavan Turaga

This paper presents the first classical Convolutional Neural Network (CNN) that can be applied directly to data from unstructured finite element meshes or control volume grids. CNNs have been hugely influential in the areas of image…

Numerical Analysis · Mathematics 2025-02-13 Claire E. Heaney , Yuling Li , Omar K. Matar , Christopher C. Pain

A physics-informed neural network (PINN) uses physics-augmented loss functions, e.g., incorporating the residual term from governing partial differential equations (PDEs), to ensure its output is consistent with fundamental physics laws.…

Machine Learning · Computer Science 2022-12-16 Jian Cheng Wong , Chinchun Ooi , Abhishek Gupta , Yew-Soon Ong

Recently, the Network Representation Learning (NRL) techniques, which represent graph structure via low-dimension vectors to support social-oriented application, have attracted wide attention. Though large efforts have been made, they may…

Social and Information Networks · Computer Science 2019-05-28 Hao Wang , Tong Xu , Qi Liu , Defu Lian , Enhong Chen , Dongfang Du , Han Wu , Wen Su

Representation learning-based recommendation models play a dominant role among recommendation techniques. However, most of the existing methods assume both historical interactions and embedding dimensions are independent of each other, and…

Information Retrieval · Computer Science 2023-03-14 Zhuoyi Lin , Lei Feng , Xingzhi Guo , Yu Zhang , Rui Yin , Chee Keong Kwoh , Chi Xu

Network embedding has recently emerged as a promising technique to embed nodes of a network into low-dimensional vectors. While fairly successful, most existing works focus on the embedding techniques for static networks. But in practice,…

Social and Information Networks · Computer Science 2020-10-28 Zenan Xu , Zijing Ou , Qinliang Su , Jianxing Yu , Xiaojun Quan , Zhenkun Lin

Many machine intelligence techniques are developed in E-commerce and one of the most essential components is the representation of IDs, including user ID, item ID, product ID, store ID, brand ID, category ID etc. The classical encoding…

Machine Learning · Computer Science 2018-05-23 Kui Zhao , Yuechuan Li , Zhaoqian Shuai , Cheng Yang

Simplicial complexes form an important class of topological spaces that are frequently used in many application areas such as computer-aided design, computer graphics, and simulation. Representation learning on graphs, which are just 1-d…

Machine Learning · Computer Science 2022-02-03 Mustafa Hajij , Ghada Zamzmi , Theodore Papamarkou , Vasileios Maroulas , Xuanting Cai

This paper studies how to achieve accurate modeling and effective control in stochastic nonlinear dynamics with multiple interacting objects. However, non-uniform interactions and random topologies make this task challenging. We address…

Systems and Control · Electrical Eng. & Systems 2025-10-31 Xiaoyuan Cheng , Yiming Yang , Wei Jiang , Chenyang Yuan , Zhuo Sun , Yukun Hu

Node representations, or embeddings, are low-dimensional vectors that capture node properties, typically learned through unsupervised structural similarity objectives or supervised tasks. While recent efforts have focused on explaining…

Machine Learning · Computer Science 2025-10-17 Simone Piaggesi , André Panisson , Megha Khosla

Precise user modeling is critical for online personalized recommendation services. Generally, users' interests are diverse and are not limited to a single aspect, which is particularly evident when their behaviors are observed for a longer…

Information Retrieval · Computer Science 2021-05-19 Jianxun Lian , Iyad Batal , Zheng Liu , Akshay Soni , Eun Yong Kang , Yajun Wang , Xing Xie

User representation learning is vital to capture diverse user preferences, while it is also challenging as user intents are latent and scattered among complex and different modalities of user-generated data, thus, not directly measurable.…

Social and Information Networks · Computer Science 2019-12-03 Lin Gong , Lu Lin , Weihao Song , Hongning Wang

In this paper, we propose a novel encoder-decoder architecture, named SABER, to learn the 6D pose of the object in the embedding space by learning shape representation at a given pose. This model enables us to learn pose by performing shape…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Shishir Reddy Vutukur , Mengkejiergeli Ba , Benjamin Busam , Matthias Kayser , Gurprit Singh

Geometrical interpretations of deep learning models offer insightful perspectives into their underlying mathematical structures. In this work, we introduce a novel approach that leverages differential geometry, particularly concepts from…

Machine Learning · Computer Science 2026-05-04 Sung Moon Ko , Jaewan Lee , Sumin Lee , Soorin Yim , Kyunghoon Bae , Sehui Han

Deep generative models like variational autoencoders approximate the intrinsic geometry of high dimensional data manifolds by learning low-dimensional latent-space variables and an embedding function. The geometric properties of these…

Computer Vision and Pattern Recognition · Computer Science 2019-02-20 Ankita Shukla , Shagun Uppal , Sarthak Bhagat , Saket Anand , Pavan Turaga

We propose shifted inner-product similarity (SIPS), which is a novel yet very simple extension of the ordinary inner-product similarity (IPS) for neural-network based graph embedding (GE). In contrast to IPS, that is limited to…

Machine Learning · Statistics 2019-02-25 Akifumi Okuno , Geewook Kim , Hidetoshi Shimodaira

The vision transformer (ViT) has achieved state-of-the-art results in various vision tasks. It utilizes a learnable position embedding (PE) mechanism to encode the location of each image patch. However, it is presently unclear if this…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Zhengyang Yu , Jochen Triesch

Implicit Neural Representations (INRs) provide a powerful continuous framework for modeling complex visual and geometric signals, but spectral bias remains a fundamental challenge, limiting their ability to capture high-frequency details.…

Machine Learning · Computer Science 2025-12-01 Yesom Park , Kelvin Kan , Thomas Flynn , Yi Huang , Shinjae Yoo , Stanley Osher , Xihaier Luo