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Traditional clustering algorithms often focus on the most fine-grained information and achieve clustering by calculating the distance between each pair of data points or implementing other calculations based on points. This way is not…

Machine Learning · Computer Science 2024-10-21 Shuyin Xia , Bolun Shi , Yifan Wang , Jiang Xie , Guoyin Wang , Xinbo Gao

Cluster analysis relies on effective benchmarks for evaluating and comparing different algorithms. Simulation studies on synthetic data are popular because important features of the data sets, such as the overlap between clusters, or the…

Machine Learning · Computer Science 2025-02-19 Michael J. Zellinger , Peter Bühlmann

This paper identifies an intrusion surveillance framework which provides an analyst with the ability to investigate and monitor cyber-attacks in a covert manner. Where cyber-attacks are perpetrated for the purposes of espionage the ability…

Cryptography and Security · Computer Science 2014-10-17 Chris Chapman , Scott Knight , Tom Dean

Quantitative analysis of microstructural features on the nanoscale, including precipitates, local chemical orderings (LCOs) or structural defects (e.g. stacking faults) plays a pivotal role in understanding the mechanical and physical…

Multiple object tracking and segmentation requires detecting, tracking, and segmenting objects belonging to a set of given classes. Most approaches only exploit the temporal dimension to address the association problem, while relying on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Lei Ke , Xia Li , Martin Danelljan , Yu-Wing Tai , Chi-Keung Tang , Fisher Yu

The structure of oxide-supported metal nanoclusters plays an essential role in their sharply enhanced catalytic activity over bulk metals. Simulations provide the atomic-scale resolution needed to understand these systems. However, the…

Materials Science · Physics 2024-05-22 Benjamin X. Shi , David J. Wales , Angelos Michaelides , Chang Woo Myung

Computational tools for normal mode analysis, which are widely used in physics and materials science problems, are designed here in a single package called NMscatt (Normal Modes & scattering) that allows arbitrarily large systems to be…

Computational Physics · Physics 2009-11-13 Franci Merzel , Fabien Fontaine-Vive , Mark R. Johnson

Point cloud recognition is an essential task in industrial robotics and autonomous driving. Recently, several point cloud processing models have achieved state-of-the-art performances. However, these methods lack rotation robustness, and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Dongrui Liu , Chuanchuan Chen , Changqing Xu , Qi Cai , Lei Chu , Fei Wen , Robert Caiming Qiu

This paper presents SeqClusFD, a top-down sequential clustering method for functional data. The clustering algorithm extracts the splitting information either from trajectories, first or second derivatives. Initial partition is based on gap…

Methodology · Statistics 2023-12-29 Ana Justel , Marcela Svarc

Exploring large-scale text corpora presents a significant challenge in biomedical, finance, and legal domains, where vast amounts of documents are continuously published. Traditional search methods, such as keyword-based search, often…

Computation and Language · Computer Science 2025-06-18 Ashish Chouhan , Saifeldin Mandour , Michael Gertz

TopoDetect is a Python package that allows the user to investigate if important topological features, such as the Degree of the nodes, their Triangle Count, or their Local Clustering Score, are preserved in the embeddings of graph…

Machine Learning · Computer Science 2021-10-11 Maroun Haddad , Mohamed Bouguessa

Originally, tangles were invented as an abstract tool in mathematical graph theory to prove the famous graph minor theorem. In this paper, we showcase the practical potential of tangles in machine learning applications. Given a collection…

Cloud computing offers an opportunity to run compute-resource intensive climate models at scale by parallelising model runs such that datasets useful to the exoplanet community can be produced efficiently. To better understand the…

The evaluation of clustering algorithms can involve running them on a variety of benchmark problems, and comparing their outputs to the reference, ground-truth groupings provided by experts. Unfortunately, many research papers and graduate…

Machine Learning · Computer Science 2023-10-27 Marek Gagolewski

This work focuses on the development of an analytical framework to study a diffusion-assisted molecular communication-based network of nano-machines (NMs) with a clustered initial deployment to detect a target in a three-dimensional (3D)…

Information Theory · Computer Science 2025-12-17 Nithin V. Sabu , Kaushlendra Pandey , Abhishek K. Gupta , Sameer S. M

Several unsupervised and self-supervised approaches have been developed in recent years to learn visual features from large-scale unlabeled datasets. Their main drawback however is that these methods are hardly able to recognize visual…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Alessandra Alfani , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

Chemically complex materials (CCMs) exhibit extraordinary functional properties but pose significant challenges for atomistic modeling due to their vast configurational heterogeneity. We introduce Hop-Decorate (HopDec), a high-throughput,…

Materials Science · Physics 2025-09-29 Peter Hatton , Blas Pedro Uberuaga , Danny Perez

Complementary-label learning (CLL) is a weakly supervised learning paradigm for multiclass classification, where only complementary labels -- indicating classes an instance does not belong to -- are provided to the learning algorithm.…

Machine Learning · Computer Science 2024-11-20 Nai-Xuan Ye , Tan-Ha Mai , Hsiu-Hsuan Wang , Wei-I Lin , Hsuan-Tien Lin

In this work, we present to the NLP community, and to the wider research community as a whole, an application for the diachronic analysis of research corpora. We open source an easy-to-use tool coined: DRIFT, which allows researchers to…

Computation and Language · Computer Science 2021-09-13 Abheesht Sharma , Gunjan Chhablani , Harshit Pandey , Rajaswa Patil

The availability of large data sets is providing an impetus for driving current artificial intelligent developments. There are, however, challenges for developing solutions with small data sets due to practical and cost-effective deployment…

Machine Learning · Computer Science 2024-05-17 Luca Gherardini , Varun Ravi Varma , Karol Capala , Roger Woods , Jose Sousa