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Embedding network data into a low-dimensional vector space has shown promising performance for many real-world applications, such as node classification and entity retrieval. However, most existing methods focused only on leveraging network…

Social and Information Networks · Computer Science 2019-07-02 Lizi Liao , Xiangnan He , Hanwang Zhang , Tat-Seng Chua

Genetic mutations frequently disrupt protein structure, stability, and solubility, acting as primary drivers for a wide spectrum of diseases. Despite the critical importance of these molecular alterations, existing computational models…

Spectral Theory · Mathematics 2026-01-21 Yiming Ren , Junjie Wee , Xi Chen , Grace Qian , Guo-Wei Wei

Recent advances in high-resolution sequencing have paved the way for population-scale analysis in single-cell RNA-sequencing (scRNA-seq) data. scRNA-seq data, in particular, have proven to be extremely powerful in profiling a variety of…

Methodology · Statistics 2025-10-30 Hanxuan Ye , Zachary Qian , Hongzhe Li

Motivation: High-throughput sequencing enables expression analysis at the level of individual transcripts. The analysis of transcriptome expression levels and differential expression estimation requires a probabilistic approach to properly…

Genomics · Quantitative Biology 2012-10-10 Peter Glaus , Antti Honkela , Magnus Rattray

Hierarchical clustering is a fundamental machine-learning technique for grouping data points into dendrograms. However, existing hierarchical clustering methods encounter two primary challenges: 1) Most methods specify dendrograms without a…

Machine Learning · Computer Science 2025-12-02 Guangjie Zeng , Hao Peng , Angsheng Li , Li Sun , Chunyang Liu , Shengze Li , Yicheng Pan , Philip S. Yu

Heterogeneous information network (HIN) embedding aims to embed multiple types of nodes into a low-dimensional space. Although most existing HIN embedding methods consider heterogeneous relations in HINs, they usually employ one single…

Social and Information Networks · Computer Science 2019-05-21 Yuanfu Lu , Chuan Shi , Linmei Hu , Zhiyuan Liu

A robust and informative local shape descriptor plays an important role in mesh registration. In this regard, spectral descriptors that are based on the spectrum of the Laplace-Beltrami operator have been a popular subject of research for…

Graphics · Computer Science 2019-10-21 Zhiyu Sun , Yusen He , Andrey Gritsenko , Amaury Lendasse , Stephen Baek

Single-cell RNA sequencing technologies have revolutionized our understanding of cellular heterogeneity, yet computational methods often struggle to balance performance with biological interpretability. Embedded topic models have been…

Machine Learning · Computer Science 2025-12-08 Hegang Chen , Yuyin Lu , Yifan Zhao , Zhiming Dai , Fu Lee Wang , Qing Li , Yanghui Rao , Yue Li

Deep learning models have achieved promising disease prediction performance of the Electronic Health Records (EHR) of patients. However, most models developed under the I.I.D. hypothesis fail to consider the agnostic distribution shifts,…

Machine Learning · Computer Science 2023-05-23 Yingtao Luo , Zhaocheng Liu , Qiang Liu

Estimating the probability of rare failure events is an essential step in the reliability assessment of engineering systems. Computing this failure probability for complex non-linear systems is challenging, and has recently spurred the…

Machine Learning · Computer Science 2022-02-10 P. -R. Wagner , S. Marelli , I. Papaioannou , D. Straub , B. Sudret

Existing Masked Image Modeling methods apply fixed mask patterns to guide the self-supervised training. As those mask patterns resort to different criteria to depict image contents, sticking to a fixed pattern leads to a limited vision cues…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Zhanzhou Feng , Shiliang Zhang

Reasoning from sequences of raw sensory data is a ubiquitous problem across fields ranging from medical devices to robotics. These problems often involve using long sequences of raw sensor data (e.g. magnetometers, piezoresistors) to…

Relational data mining is becoming ubiquitous in many fields of study. It offers insights into behaviour of complex, real-world systems which cannot be modeled directly using propositional learning. We propose Symbolic Graph Embedding…

Machine Learning · Computer Science 2019-10-30 Blaz Škrlj , Jan Kralj , Nada Lavrač

We introduce a spectral embedding algorithm for finding proximal relationships between nodes in signed graphs, where edges can take either positive or negative weights. Adopting a physical perspective, we construct a Hamiltonian which is…

Physics and Society · Physics 2023-02-15 Shazia'Ayn Babul , Renaud Lambiotte

Histology imaging is an important tool in medical diagnosis and research, enabling the examination of tissue structure and composition at the microscopic level. Understanding the underlying molecular mechanisms of tissue architecture is…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Ronald Xie , Kuan Pang , Sai W. Chung , Catia T. Perciani , Sonya A. MacParland , Bo Wang , Gary D. Bader

Persistent homology (PH) is one of the most popular tools in topological data analysis (TDA), while graph theory has had a significant impact on data science. Our earlier work introduced the persistent spectral graph (PSG) theory as a…

Algebraic Topology · Mathematics 2020-12-22 Rui Wang , Rundong Zhao , Emily Ribando-Gros , Jiahui Chen , Yiying Tong , Guo-Wei Wei

Graph-based methods are known to be successful in many machine learning and pattern classification tasks. These methods consider semi-structured data as graphs where nodes correspond to primitives (parts, interest points, segments, etc.)…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Anjan Dutta , Hichem Sahbi

We present a systematic evaluation framework - thirty-seven analyses, 153 statistical tests, four cell types, two perturbation modalities - for assessing mechanistic interpretability in single-cell foundation models. Applying this framework…

Genomics · Quantitative Biology 2026-02-20 Ihor Kendiukhov

t-SNE and hierarchical clustering are popular methods of exploratory data analysis, particularly in biology. Building on recent advances in speeding up t-SNE and obtaining finer-grained structure, we combine the two to create tree-SNE, a…

Machine Learning · Computer Science 2020-02-14 Isaac Robinson , Emma Pierce-Hoffman

Network embedding represents nodes in a continuous vector space and preserves structure information from the Network. Existing methods usually adopt a "one-size-fits-all" approach when concerning multi-scale structure information, such as…

Machine Learning · Computer Science 2018-03-28 Lei Sang , Min Xu , Shengsheng Qian , Xindong Wu