Results 1 to 10 of about 819,144 (120)

POD: A Parallel Outlier Detection Algorithm Using Weighted kNN

open access: yesIEEE Access, 2021
Outlier detection algorithms based on ${k}$ nearest neighbors ( ${k}$ NN) can effectively find outliers from massive data, but most algorithms are difficult to adapt to high-dimensional data sets. In order to highlight the importance of attributes in $
Yang Ma, Xujun Zhao
doaj   +1 more source

Six-Granularity Based Chinese Short Text Classification

open access: yesIEEE Access, 2023
Short text classification is an important task in Natural Language Processing (NLP). The classification result for Chinese short text is always not ideal due to the sparsity problem of them.
Xinjie Sun, Zhifang Liu, Xingying Huo
doaj   +1 more source

Sistem Pendukung Keputusan Seleksi Penyiaran Berita Menggunakan Metode Profile Matching

open access: yesJournal of Applied Computer Science and Technology, 2020
TVRI Riau-Kepri difficulties in news investigasion process that will be providedto the public riau-kepri. Based on the obserpasion that researchers do in TVRI riau-kepri seen that the shophiscation that of the technology has not been fully utilizet well
Ira Puspita Sari, Al Amin
doaj   +1 more source

Weighted CBMO estimates for commutators of matrix Hausdorff operator on the Heisenberg group

open access: yesOpen Mathematics, 2020
In this article, we study the commutators of Hausdorff operators and establish their boundedness on the weighted Herz spaces in the setting of the Heisenberg group.
Ajaib Amna, Hussain Amjad
doaj   +1 more source

Evaluation of Blood Glycaemia Control and Related Factors in Patients with Type 2 Diabetes Mellitus Using Generalized Estimator Equations (GEE) Model

open access: yesمجله دانشکده پزشکی اصفهان, 2020
Background: Qualified care and decreased blood sugar can prevent or suspend the side effects in patients with type 2 diabetes mellitus. The present study aimed to determine the state of glycemic control and related factors in patients with type 2 ...
Samaneh Hosseinzadeh   +2 more
doaj   +1 more source

Bayesian approach for criteria weights recalculation

open access: yesLietuvos Matematikos Rinkinys, 2020
Multiple Criteria Decision Making (MCDM) methods are effectively used in decision making tasks. The weights of criteria are an integral part of MCDM methods.
Irina Vinogradova
doaj   +1 more source

MATHEMATICAL PRINCIPLES OF BUILDING RATING SYSTEMS

open access: yesСтатистика и экономика, 2016
Mathematical definition of the rating system is formulated, shown its applicability to a wide class of choice situations on the basis of quantitative characteristics of the object.
Alexander A. Solodov
doaj   +1 more source

Evaluation of influencing factors on tea production based on random forest regression and mean impact value

open access: yesAgricultural Economics (AGRICECON), 2019
Overproduction of tea in the major producing countries is an important factor which restricts the development of tea. Therefore, the factors from the economic, social and environmental system affecting tea production have become the focus of both ...
Yihui Chen, Minjie Li
doaj   +1 more source

Application of expert evaluation methods in determining the significance of criteria for usability of railway traction rolling stock

open access: yesTransport, 2023
Railway rolling stock must meet the requirements related to its use in the transportation process. The significance of these requirements can be determined using expert testing methods.
Lijana Maskeliūnaitė   +2 more
doaj   +1 more source

Research on evaluation of coal mine emergency management capability based on multi-level extension

open access: yesMeikuang Anquan, 2021
In order to reduce the harm caused by serious accidents in coal mines and improve the emergency management capabilities of coal mines, based on the theory of extension theory, this paper establishes an extension model for coal mine emergency management ...
GAO Kangya, CHEN Shaojie, QI Yinge
doaj   +1 more source

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