Results 31 to 40 of about 1,420,828 (341)
Risk Factor Clusters and Cardiovascular Disease in High-Risk Patients: The UCC-SMART Study
Global Heart, 2021 Background: Clustering of vascular risk factors, i.e., the co-existence of two or more risk factors, has been associated with a higher risk of cardiovascular disease (CVD) in the general population.
Emily I. Holthuis +4 more
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Vestnik of Vitebsk State Technological University, 2021 The digitalization of the social and economic space is an objective regularity in the development of scientific and technological progress and it is characterized by new methods of generating, processing, storing, transferring information in all spheres ...
Galina Yasheva, Yulia Vailunova
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On Convex Clustering Solutions [PDF]
arXiv, 2021 Convex clustering is an attractive clustering algorithm with favorable properties such as efficiency and optimality owing to its convex formulation. It is thought to generalize both k-means clustering and agglomerative clustering. However, it is not known whether convex clustering preserves desirable properties of these algorithms. A common expectation
arxiv
REM: International Engineering Journal, 2021 The Direct Reduction (DR) process has been growing worldwide, and there are strong context suggestions that it will grow even more. One of these factors is the environmental pressure that occurs worldwide, and there are already projects to migrate Blast ...
Jean Philippe Santos Gherardi de Alencar +4 more
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A Blind Nonlinearity Compensator Using DBSCAN Clustering for Coherent Optical Transmission Systems
Applied Sciences, 2019 Coherent fiber-optic communication systems are limited by the Kerr-induced nonlinearity. Benchmark optical and digital nonlinearity compensation techniques are typically complex and tackle deterministic-induced nonlinearities.
Elias Giacoumidis +6 more
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Correlation of Climate Variability and Burned Area in Borneo using Clustering Methods
Forest and Society, 2020 The island of Borneo has faced seasonal forest fires for decades. This phenomenon is worsening during dry seasons, especially when droughts are concurrent with the El Niño-Southern Oscillation (ENSO) phenomenon. Climate is therefore one of the drivers of
Ishardina C. Hidayati +4 more
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Rola i znaczenie klastrów w rozwoju turystyki w województwie świętokrzyskim
Ekonomiczne Problemy Turystyki, 2017 In the article in nature of clusters was presented, their meaning for the development of tourism in of region. Clusters of the tourism sector are carrying action out on different plains, which for the single entrepreneur, are unfeasible.
Ewa Pałka-Łebek +1 more
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Observed Scaling Relations for Strong Lensing Clusters: Consequences for Cosmology and Cluster Assembly [PDF]
Astrophys.J.715:162-171,2010, 2010 Scaling relations of observed galaxy cluster properties are useful tools for constraining cosmological parameters as well as cluster formation histories. One of the key cosmological parameters, sigma8, is constrained using observed clusters of galaxies, although current estimates of sigma8 from the scaling relations of dynamically relaxed galaxy ...
arxiv +1 more source
arXiv, 2021 $K$-means clustering is one of the most widely-used partitioning algorithm in cluster analysis due to its simplicity and computational efficiency. However, $K$-means does not provide an appropriate clustering result when applying to data with non-spherically shaped clusters. We propose a novel partitioning clustering algorithm based on expectiles.
arxiv
Clustering by Compression [PDF]
IEEE Transactions on Information Theory, 2003 We present a new method for clustering based on compression. The method doesn't use subject-specific features or background knowledge, and works as follows: First, we determine a universal similarity distance, the normalized compression distance or NCD, computed from the lengths of compressed data files (singly and in pairwise concatenation).
Xin Li +4 more
openaire +4 more sources