Dimension (graph theory)
View article
UMAP: Uniform Manifold Approximation and Projection for Dimension Reduction Open
UMAP (Uniform Manifold Approximation and Projection) is a novel manifold learning technique for dimension reduction. UMAP is constructed from a theoretical framework based in Riemannian geometry and algebraic topology. The result is a prac…
View article
mclust 5: Clustering, Classification and Density Estimation Using Gaussian Finite Mixture Models Open
Finite mixture models are being used increasingly to model a wide variety of random phenomena for clustering, classification and density estimation. mclust is a powerful and popular package which allows modelling of data as a Gaussian fini…
View article
Efficient Multi-Scale Attention Module with Cross-Spatial Learning Open
Remarkable effectiveness of the channel or spatial attention mechanisms for producing more discernible feature representation are illustrated in various computer vision tasks. However, modeling the cross-channel relationships with channel …
View article
What is Qualitative in Qualitative Research Open
What is qualitative research? If we look for a precise definition of qualitative research, and specifically for one that addresses its distinctive feature of being "qualitative," the literature is meager. In this article we systematically …
View article
A comprehensive AI policy education framework for university teaching and learning Open
This study aims to develop an AI education policy for higher education by examining the perceptions and implications of text generative AI technologies. Data was collected from 457 students and 180 teachers and staff across various discipl…
View article
Exploring the many-body localization transition in two dimensions Open
Bosons refusing to thermalize in 2D Messy, interacting quantum-mechanical systems are difficult to analyze theoretically. In a single spatial dimension, the calculations are still tractable, and experiments have recently confirmed the pred…
View article
All for One and One for All: Mental Disorders in One Dimension Open
In both child and adult psychiatry, empirical evidence has now accrued to suggest that a single dimension is able to measure a person's liability to mental disorder, comorbidity among disorders, persistence of disorders over time, and seve…
View article
A review of the meanings and the implications of the Industry 4.0 concept Open
The global industrial landscape has changed deeply in the last few years due to successive technological developments and innovations in manufacturing processes. The Industry 4.0 concept has emerged and the academic literature has paid an …
View article
Feature dimensionality reduction: a review Open
As basic research, it has also received increasing attention from people that the “curse of dimensionality” will lead to increase the cost of data storage and computing; it also influences the efficiency and accuracy of dealing with proble…
View article
The Social Dimension of Asynchronous Learning Networks Open
This paper argues that the social dimension is important to effectiveness of Asynchronous Learning Networks (ALNs) and needs to be taken into account in the design of courses. Evidence from an ethnographic study of the Teaching and Learnin…
View article
The Business of Platforms: Strategy in the Age of Digital Competition, Innovation, and Power Open
Managers and entrepreneurs in the digital era must learn to live in two worlds—the conventional economy and the platform economy. Platforms that operate for business purposes usually exist at the level of an industry or ecosystem, bringing…
View article
Assessing unidimensionality: A comparison of Rasch Modeling, Parallel Analysis, and TETRAD Open
The evaluation of assessment dimensionality is a necessary stage in the gathering of evidence to support the validity of interpretations based on a total score, particularly when assessment development and analysis are conducted within an …
View article
Multi‐Material 3D and 4D Printing: A Survey Open
Recent advances in multi‐material 3D and 4D printing (time as the fourth dimension) show that the technology has the potential to extend the design space beyond complex geometries. The potential of these additive manufacturing (AM) technol…
View article
A critical review of selected tools for assessing community resilience Open
The concept of resilience is increasingly used in academic and policy circles. To operationalize this concept and reduce the ambiguities surrounding it, since the turn of the century, various resilience assessment methodologies have been i…
View article
Digital Transformation in Higher Education Institutions: A Systematic Literature Review Open
Higher education institutions (HEIs) have been permeated by the technological advancement that the Industrial Revolution 4.0 brings with it, and forces institutions to deal with a digital transformation in all dimensions. Applying the appr…
View article
Traffic Flow Prediction via Spatial Temporal Graph Neural Network Open
Traffic flow analysis, prediction and management are keystones for building smart cities in the new era. With the help of deep neural networks and big traffic data, we can better understand the latent patterns hidden in the complex transpo…
View article
Understanding inclusive education: ideals and reality Open
The key issue discussed in the article is the main challenges in developing inclusive education. Most European countries have acknowledged inclusive education as a means to secure equal educational rights for all persons. However, the defi…
View article
VAMPnets for deep learning of molecular kinetics Open
There is an increasing demand for computing the relevant structures, equilibria, and long-timescale kinetics of biomolecular processes, such as protein-drug binding, from high-throughput molecular dynamics simulations. Current methods empl…
View article
The Impact of Sustainability Practices on Corporate Financial Performance: Literature Trends and Future Research Potential Open
This paper presents an analysis of the literature concerning the impact of corporate sustainability on corporate financial performance. The relationship between corporate sustainable practices and financial performance has received growing…
View article
Learning data-driven discretizations for partial differential equations Open
The numerical solution of partial differential equations (PDEs) is challenging because of the need to resolve spatiotemporal features over wide length- and timescales. Often, it is computationally intractable to resolve the finest features…
View article
Innovation Through Tradition: Lessons From Innovative Family Businesses and Directions for Future Research Open
In steering toward the future, innovation managers are commonly advised to dismiss the old and make way for the new. However, such "recency bias" may significantly limit a firms innovation potential and prevent it from realizing the benefi…
View article
A Practical Introduction to Regression Discontinuity Designs Open
In this Element and its accompanying second Element, A Practical Introduction to Regression Discontinuity Designs: Extensions, Matias Cattaneo, Nicolás Idrobo, and Rocıìo Titiunik provide an accessible and practical guide for the analysis …
View article
A Two-Layer Dimension Reduction and Two-Tier Classification Model for Anomaly-Based Intrusion Detection in IoT Backbone Networks Open
With increasing reliance on Internet of Things (IoT) devices and services, the capability to detect intrusions and malicious activities within IoT networks is critical for resilience of the network infrastructure. In this paper, we present…
View article
Localization from Hilbert space shattering: From theory to physical realizations Open
We show how a finite number of conservation laws can globally `shatter'\nHilbert space into exponentially many dynamically disconnected subsectors,\nleading to an unexpected dynamics with features reminiscent of both many body\nlocalizatio…
View article
Learning 2D Temporal Adjacent Networks for Moment Localization with Natural Language Open
We address the problem of retrieving a specific moment from an untrimmed video by a query sentence. This is a challenging problem because a target moment may take place in relations to other temporal moments in the untrimmed video. Existin…
View article
HyTE: Hyperplane-based Temporally aware Knowledge Graph Embedding Open
Knowledge Graph (KG) embedding has emerged as an active area of research resulting in the development of several KG embedding methods. Relational facts in KG often show temporal dynamics, e.g., the fact (Cristiano_Ronaldo, playsFor, Manche…
View article
Global Attention Mechanism: Retain Information to Enhance Channel-Spatial Interactions Open
A variety of attention mechanisms have been studied to improve the performance of various computer vision tasks. However, the prior methods overlooked the significance of retaining the information on both channel and spatial aspects to enh…
View article
Channel Estimation for Orthogonal Time Frequency Space (OTFS) Massive MIMO Open
Orthogonal time frequency space (OTFS) modulation outperforms orthogonal\nfrequency division multiplexing (OFDM) in high-mobility scenarios. One\nchallenge for OTFS massive MIMO is downlink channel estimation due to the large\nnumber of ba…
View article
Defining and assessing industry 4.0 maturity levels – case of the defence sector Open
Firms do not currently fully appreciate the complex characteristics of Industry 4.0 and as a result are uncertain about what it represents for them. In this study, an assessment model is developed to measure the level of implementation of …
View article
Aggregated Residual Transformations for Deep Neural Networks Open
We present a simple, highly modularized network architecture for image classification. Our network is constructed by repeating a building block that aggregates a set of transformations with the same topology. Our simple design results in a…