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2,105 Results Found

  • Article
  • Open Access
6 Citations
5,532 Views
14 Pages

1 December 2018

When striving for the ordination methods best predicting independently measured site factors, the following questions arise: does the optimal choice depend on the kind of biological community analysed? Are there different ordination methods needed to...

  • Article
  • Open Access
2 Citations
4,510 Views
24 Pages

20 September 2022

Drawing from interviews with tsunmas (Tib. btsun ma, nun) living and practicing in Geluk, Kagyu, and Sakya institutions in Bihar, Himachal Pradesh, Ladakh, and Uttarakhand, India, between March 2017 and February 2019, this case study foregrounds tsun...

  • Article
  • Open Access
7 Citations
3,270 Views
14 Pages

5 April 2021

Ordination can be said to be the core of Buddhism and maintaining this tradition is the key to maintaining Buddhism. This was the realization of the monastics in early 19th century Korea such as Paekp’a (1767–1852), Taeŭn (1780–1841), and Manha (d.u....

  • Article
  • Open Access
6 Citations
2,115 Views
23 Pages

18 January 2024

Rapid urbanization has significantly impacted the structure of ecosystem services, accelerating the pressure on natural resources and ecological space. The clarification of the interdependent relationship between new-type urbanization (NTU) and ecosy...

  • Article
  • Open Access
13 Citations
4,666 Views
31 Pages

19 May 2021

Ordination methods are used in ecological multivariate statistics in order to reduce the number of dimensions and arrange individual variables along environmental variables. Geoheritage designation is a new challenge for conservation planning. Quanti...

  • Article
  • Open Access
1,719 Views
19 Pages

Exploiting Structured Global and Neighbor Orders for Enhanced Ordinal Regression

  • Imam Mustafa Kamal,
  • Solichin Mochammad,
  • Latifah Nurahmi,
  • Azis Natawijaya and
  • Muhammad Kalili

22 July 2025

Ordinal regression combines classification and regression techniques, constrained by the intrinsic order among categories. It has wide-ranging applications in real-world scenarios, such as product quality grading, medical diagnoses, and facial age re...

  • Article
  • Open Access
73 Citations
12,935 Views
28 Pages

Ordinal Patterns, Entropy, and EEG

  • Karsten Keller,
  • Anton M. Unakafov and
  • Valentina A. Unakafova

27 November 2014

In this paper we illustrate the potential of ordinal-patterns-based methods for analysis of real-world data and, especially, of electroencephalogram (EEG) data. We apply already known (empirical permutation entropy, ordinal pattern distributions) and...

  • Article
  • Open Access
1,983 Views
22 Pages

16 June 2025

The so-called “counterfeit monks and nuns” 僧尼偽濫 is regarded as an important reason for the “Huichang Persecution of Buddhism” 會昌滅佛, but it reflects the central views of t...

  • Article
  • Open Access
6 Citations
4,475 Views
23 Pages

10 February 2022

Ordinal classification (OC) is a sub-discipline of multi-class classification (i.e., including at least three classes), in which the classes constitute an ordinal structure. Applications of ordinal classification can be found, for instance, in the me...

  • Article
  • Open Access
14 Citations
5,453 Views
16 Pages

Multiple Ordinal Correlation Based on Kendall’s Tau Measure: A Proposal

  • Juan M. Muñoz-Pichardo,
  • Emilio D. Lozano-Aguilera,
  • Antonio Pascual-Acosta and
  • Ana M. Muñoz-Reyes

8 July 2021

The joint analysis of various ordinal variables is necessary in many experimental studies within research fields such as sociology and psychology. Therefore, the necessary measures of multiple ordinal dependence must be easy to interpret and facilita...

  • Feature Paper
  • Article
  • Open Access
7 Citations
2,126 Views
11 Pages

18 July 2023

Ordinal measures provide a valuable collection of tools for analyzing correlated data series. However, using these methods to understand information interchange in the networks of dynamical systems, and uncover the interplay between dynamics and stru...

  • Article
  • Open Access
1 Citations
638 Views
15 Pages

7 June 2025

Ordinal patterns have proven to be a valuable tool in many fields. Here, we address the need for theoretical models. A paradigmatic example shows that a model for frequencies of ordinal patterns can be determined without any numerical values. We spec...

  • Article
  • Open Access
8 Citations
2,929 Views
15 Pages

27 July 2021

Time-delayed interactions naturally appear in a multitude of real-world systems due to the finite propagation speed of physical quantities. Often, the time scales of the interactions are unknown to an external observer and need to be inferred from ti...

  • Article
  • Open Access
5 Citations
3,006 Views
18 Pages

21 October 2022

This paper focuses on ordination procedures specific to women in Chinese Buddhism, and on the positions adopted by bhikṣuṇīs regarding the procedures’ asymmetrical nature in contemporary China. Dual ordinations, according to wh...

  • Article
  • Open Access
4 Citations
3,266 Views
21 Pages

23 August 2021

Ordinal patterns classifying real vectors according to the order relations between their components are an interesting basic concept for determining the complexity of a measure-preserving dynamical system. In particular, as shown by C. Bandt, G. Kell...

  • Feature Paper
  • Article
  • Open Access
4 Citations
1,134 Views
15 Pages

Identifying Ordinal Similarities at Different Temporal Scales

  • Luciano Zunino,
  • Xavier Porte and
  • Miguel C. Soriano

24 November 2024

This study implements the permutation Jensen–Shannon distance as a metric for discerning ordinal patterns and similarities across multiple temporal scales in time series data. Initially, we present a numerically controlled analysis to validate...

  • Article
  • Open Access
9 Citations
4,412 Views
16 Pages

Dwell Time Estimation of Import Containers as an Ordinal Regression Problem

  • Laidy De Armas Jacomino,
  • Miguel Angel Medina-Pérez,
  • Raúl Monroy,
  • Danilo Valdes-Ramirez,
  • Carlos Morell-Pérez and
  • Rafael Bello

9 October 2021

The optimal stacking of import containers in a terminal reduces the reshuffles during the unloading operations. Knowing the departure date of each container is critical for optimal stacking. However, such a date is rarely known because it depends on...

  • Article
  • Open Access
1 Citations
3,329 Views
11 Pages

Trends in Vegetation Ordinances across the Southern United States

  • Kripa Neupane,
  • Donald L. Grebner,
  • Jason S. Gordon and
  • Michael G. Jacobson

1 September 2022

Vegetation regulations or ordinances are the local laws that govern the policies surrounding urban trees and landscape management. The complexity of urban areas, within the mosaic of private and public vegetation, necessitates regulation to manage th...

  • Article
  • Open Access
5 Citations
3,458 Views
37 Pages

26 May 2021

Ordinal pattern dependence is a multivariate dependence measure based on the co-movement of two time series. In strong connection to ordinal time series analysis, the ordinal information is taken into account to derive robust results on the dependenc...

  • Article
  • Open Access
8 Citations
3,641 Views
11 Pages

15 November 2021

The pairwise comparison (PC) matrix is often used to manifest human judgments, and it has been successfully applied in the analytic hierarchy process (AHP). As a PC matrix is formed by making paired reciprocal comparisons, symmetry is a striking char...

  • Article
  • Open Access
3 Citations
2,403 Views
20 Pages

31 October 2022

Ordinal regression methods are widely used to predict the ordered labels of data, among which support vector ordinal regression (SVOR) methods are popular because of their good generalization. In many realistic circumstances, data are collected by a...

  • Article
  • Open Access
3 Citations
4,943 Views
17 Pages

1 October 2021

The association between two ordinal variables can be expressed with a polychoric correlation coefficient. This coefficient is conventionally based on the assumption that responses to ordinal variables are generated by two underlying continuous latent...

  • Article
  • Open Access
7 Citations
4,100 Views
15 Pages

Preserving riparian vegetation is important for maintaining water quality and riparian functions. Streamside protection ordinances have been widely established in many rapidly urbanizing areas, however, there has been a lack of assessment of the effe...

  • Article
  • Open Access
1 Citations
2,462 Views
23 Pages

Characterizing Uncertainty and Enhancing Utility in Remotely Sensed Land Cover Using Error Matrices Localized in Canonical Correspondence Analysis Ordination Space

  • Yue Wan,
  • Jingxiong Zhang,
  • Wangle Zhang,
  • Ying Zhang,
  • Wenjing Yang,
  • Jianxu Wang,
  • Okafor Somtoochukwu Chukwunonso and
  • Asurapplullige Milani Tharuka Nadeeka

28 February 2023

In response to uncertainty in remotely sensed land cover products, there is continuing research on accuracy assessment and analysis. Given reference sample data, accuracy indicators are commonly estimated based on error matrices, from which areal ext...

  • Article
  • Open Access
15 Citations
5,812 Views
24 Pages

29 May 2019

The study of nonlinear and possibly chaotic time-dependent systems involves long-term data acquisition or high sample rates. The resulting big data is valuable in order to provide useful insights into long-term dynamics. However, efficient and robust...

  • Article
  • Open Access
2 Citations
2,291 Views
12 Pages

Uncertainty Ordinal Multi-Instance Learning for Breast Cancer Diagnosis

  • Xinzheng Xu,
  • Qiaoyu Guo,
  • Zhongnian Li and
  • Dechun Li

17 November 2022

Ordinal multi-instance learning (OMIL) deals with the weak supervision scenario wherein instances in each training bag are not only multi-class but also have rank order relationships between classes, such as breast cancer, which has become one of the...

  • Feature Paper
  • Article
  • Open Access
2 Citations
1,655 Views
14 Pages

Local Predictors of Explosive Synchronization with Ordinal Methods

  • I. Leyva,
  • Juan A. Almendral,
  • Christophe Letellier and
  • Irene Sendiña-Nadal

24 January 2025

We propose using the ordinal pattern transition (OPT) entropy measured at sentinel central nodes as a potential predictor of explosive transitions to synchronization in networks of various dynamical systems with increasing complexity. Our results dem...

  • Article
  • Open Access
8 Citations
2,650 Views
16 Pages

17 July 2019

Reactive volt-ampere sources planning is an effort to determine the most effective investment plan for new reactive sources at given load buses while ensuring appropriate voltage profile and satisfying operational constraints. Optimization of reactiv...

  • Article
  • Open Access
1,033 Views
20 Pages

Progressive Disease Image Generation with Ordinal-Aware Diffusion Models

  • Meryem Mine Kurt,
  • Ümit Mert Çağlar and
  • Alptekin Temizel

10 October 2025

Background/Objectives: Ulcerative Colitis (UC) lacks longitudinal visual data, which limits both disease progression modeling and the effectiveness of computer-aided diagnosis systems. These systems are further constrained by sparse intermediate dise...

  • Review
  • Open Access
1 Citations
2,696 Views
25 Pages

16 December 2020

Oil spills can have a serious negative effect on seabirds. Numerous studies have been carried out for relative vulnerability assessment of seabirds to oil, with the majority of such works based on ordinal quantities. This study aims to assess (from t...

  • Article
  • Open Access
13 Citations
6,522 Views
25 Pages

14 September 2018

This paper is devoted to change-point detection using only the ordinal structure of a time series. A statistic based on the conditional entropy of ordinal patterns characterizing the local up and down in a time series is introduced and investigated....

  • Article
  • Open Access
2 Citations
2,461 Views
18 Pages

22 March 2023

In this paper, we propose a Fuzzy Window with the Gaussian Processed Label (FW-GPL) method to mitigate the overlap problem in the neighboring ordinal category when scoring images. Many published conventional methods treat this challenge as a traditio...

  • Article
  • Open Access
3 Citations
3,740 Views
14 Pages

Goodness-of-Fit and Generalized Estimating Equation Methods for Ordinal Responses Based on the Stereotype Model

  • Daniel Fernández,
  • Louise McMillan,
  • Richard Arnold,
  • Martin Spiess and
  • Ivy Liu

1 June 2022

Background: Data with ordinal categories occur in many diverse areas, but methodologies for modeling ordinal data lag severely behind equivalent methodologies for continuous data. There are advantages to using a model specifically developed for ordin...

  • Article
  • Open Access
21 Citations
5,213 Views
27 Pages

Teaching Ordinal Patterns to a Computer: Efficient Encoding Algorithms Based on the Lehmer Code

  • Sebastian Berger,
  • Andrii Kravtsiv,
  • Gerhard Schneider and
  • Denis Jordan

21 October 2019

Ordinal patterns are the common basis of various techniques used in the study of dynamical systems and nonlinear time series analysis. The present article focusses on the computational problem of turning time series into sequences of ordinal patterns...

  • Article
  • Open Access
352 Views
22 Pages

Clinically Aware Learning: Ordinal Loss Improves Medical Image Classifiers

  • Arsenii Litvinov,
  • Egor Ushakov,
  • Sofia Senotrusova,
  • Kirill Lukianov,
  • Yury Markin,
  • Liudmila Mikhailova and
  • Evgeny Karpulevich

3 January 2026

Background: BI-RADS (Breast Imaging Reporting and Data System) mammogram classification is central to early breast cancer detection. Despite being an ordinal scale that reflects increasing levels of malignancy suspicion, most models treat BI-RADS as...

  • Article
  • Open Access
10 Citations
6,660 Views
18 Pages

16 September 2024

Factor analysis, a staple of correlational psychology, faces challenges with ordinal variables like Likert scales. The validity of traditional methods, particularly maximum likelihood (ML), is debated. Newer approaches, like using polychoric correlat...

  • Article
  • Open Access
7 Citations
4,289 Views
13 Pages

Quasi-Unimodal Distributions for Ordinal Classification

  • Tomé Albuquerque,
  • Ricardo Cruz and
  • Jaime S. Cardoso

18 March 2022

Ordinal classification tasks are present in a large number of different domains. However, common losses for deep neural networks, such as cross-entropy, do not properly weight the relative ordering between classes. For that reason, many losses have b...

  • Article
  • Open Access
52 Citations
2,945 Views
16 Pages

Simpson’s Type Inequalities for Co-Ordinated Convex Functions on Quantum Calculus

  • Humaira Kalsoom,
  • Jun-De Wu,
  • Sabir Hussain and
  • Muhammad Amer Latif

6 June 2019

In the present paper, we aim to prove a new lemma and quantum Simpson’s type inequalities for functions of two variables having convexity on co-ordinates over [ α , β ] × [ ψ , ϕ ] . Moreover, our deduction introduce...

  • Feature Paper
  • Article
  • Open Access
11 Citations
4,422 Views
16 Pages

1 April 2022

Confirmatory factor analysis is some of the most widely used statistical techniques in the social sciences. Frequently, variables (i.e., items) stemming from questionnaires are analyzed. Two competing approaches for estimating confirmatory factor ana...

  • Article
  • Open Access
9 Citations
3,324 Views
23 Pages

1 September 2024

In this paper, we focus on weighting methods within multi-attribute utility/value theory (MAUT/MAVT). In these methods, the decision maker (DM) provides ordinal information about the relative importance of criteria, but also additional information co...

  • Article
  • Open Access
6 Citations
1,598 Views
20 Pages

Some New Quantum Hermite–Hadamard Inequalities for Co-Ordinated Convex Functions

  • Fongchan Wannalookkhee,
  • Kamsing Nonlaopon,
  • Sotiris K. Ntouyas,
  • Mehmet Zeki Sarikaya,
  • Hüseyin Budak and
  • Muhammad Aamir Ali

7 June 2022

In this paper, we establish some new versions of Hermite–Hadamard type inequalities for co-ordinated convex functions via q1,q2-integrals. Since the inequalities are newly proved, we therefore consider some examples of co-ordinated convex funct...

  • Article
  • Open Access
8 Citations
2,510 Views
13 Pages

21 March 2024

The construction of complex networks from electroencephalography (EEG) proves to be an effective method for representing emotion patterns in affection computing as it offers rich spatiotemporal EEG features associated with brain emotions. In this pap...

  • Article
  • Open Access
521 Views
14 Pages

21 November 2025

Background/Objectives: Some classification problems involve ordered categories (e.g., low–medium–high), which are better modeled as ordinal regression. This study aimed to propose and evaluate a dual loss framework—Ordinal Residual...

  • Article
  • Open Access
20 Citations
4,999 Views
19 Pages

7 August 2020

In this research, we develop ordinal decision-tree-based ensemble approaches in which an objective-based information gain measure is used to select the classifying attributes. We demonstrate the applicability of the approaches using AdaBoost and rand...

  • Article
  • Open Access
13 Citations
4,448 Views
20 Pages

In many related works, nominal classification algorithms ignore the order between injury severity levels and make sub-optimal predictions. Existing ordinal classification methods suffer rank inconsistency and rank non-monotonicity. The aim of this pa...

  • Article
  • Open Access
2 Citations
1,476 Views
27 Pages

9 August 2023

In surveys requiring cost efficiency, such as medical research, measuring the variable of interest (e.g., disease status) is expensive and/or time-consuming; however, we often have access to easily obtainable characteristics about sampling units. The...

  • Article
  • Open Access
3,675 Views
23 Pages

22 June 2023

This paper discusses the innovativeness of the Inheritance Ordinance introduced in Toledo during the 12th century and later reintroduced in Fez in Morocco following the expulsion of Jewish communities from Spain and Portugal. Community leaders in Tol...

  • Article
  • Open Access
2 Citations
3,095 Views
22 Pages

26 December 2021

The family of cumulative paired ϕ-entropies offers a wide variety of ordinal dispersion measures, covering many well-known dispersion measures as a special case. After a comprehensive analysis of this family of entropies, we consider the corresp...

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