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  • Article
  • Open Access
846 Citations
26,876 Views
16 Pages

29 December 2017

Mosaic, Rust, Brown spot, and Alternaria leaf spot are the four common types of apple leaf diseases. Early diagnosis and accurate identification of apple leaf diseases can control the spread of infection and ensure the healthy development of the appl...

(This article belongs to the Special Issue Information Technology and Its Applications)
  • Article
  • Open Access
805 Citations
24,743 Views
22 Pages

10 September 2018

In this paper, a new multi-criteria problem solving method—the Full Consistency Method (FUCOM)—is proposed. The model implies the definition of two groups of constraints that need to satisfy the optimal values of weight coefficients. The...

  • Article
  • Open Access
681 Citations
46,955 Views
22 Pages

A Systematic Review of the Use of Blockchain in Healthcare

  • Marko Hölbl,
  • Marko Kompara,
  • Aida Kamišalić and
  • Lili Nemec Zlatolas

10 October 2018

Blockchain technology enables a decentralized and distributed environment with no need for a central authority. Transactions are simultaneously secure and trustworthy due to the use of cryptographic principles. In recent years, blockchain technology...

  • Article
  • Open Access
678 Citations
31,893 Views
20 Pages

Determination of Objective Weights Using a New Method Based on the Removal Effects of Criteria (MEREC)

  • Mehdi Keshavarz-Ghorabaee,
  • Maghsoud Amiri,
  • Edmundas Kazimieras Zavadskas,
  • Zenonas Turskis and
  • Jurgita Antucheviciene

24 March 2021

The weights of criteria in multi-criteria decision-making (MCDM) problems are essential elements that can significantly affect the results. Accordingly, researchers developed and presented several methods to determine criteria weights. Weighting meth...

(This article belongs to the Special Issue Symmetric and Asymmetric Data in Solution Models, Part II)
  • Article
  • Open Access
510 Citations
29,027 Views
21 Pages

Solving Current Limitations of Deep Learning Based Approaches for Plant Disease Detection

  • Marko Arsenovic,
  • Mirjana Karanovic,
  • Srdjan Sladojevic,
  • Andras Anderla and
  • Darko Stefanovic

19 July 2019

Plant diseases cause great damage in agriculture, resulting in significant yield losses. The recent expansion of deep learning methods has found its application in plant disease detection, offering a robust tool with highly accurate results. The curr...

  • Article
  • Open Access
486 Citations
27,233 Views
19 Pages

20 April 2020

The coronavirus (COVID-19) pandemic is putting healthcare systems across the world under unprecedented and increasing pressure according to the World Health Organization (WHO). With the advances in computer algorithms and especially Artificial Intell...

  • Article
  • Open Access
475 Citations
41,854 Views
17 Pages

Path Planning for the Mobile Robot: A Review

  • Han-ye Zhang,
  • Wei-ming Lin and
  • Ai-xia Chen

1 October 2018

Good path planning technology of mobile robot can not only save a lot of time, but also reduce the wear and capital investment of mobile robot. Several methodologies have been proposed and reported in the literature for the path planning of mobile ro...

(This article belongs to the Special Issue Symmetry in Engineering Sciences)
  • Article
  • Open Access
466 Citations
50,098 Views
16 Pages

7 March 2019

Along with the development of Fintech, many scholars have studied how information technology is applied to financial services with a focus on extended methods for application. Few scholars have studied the influence mechanism behind the adoption of F...

(This article belongs to the Special Issue New Trends in Dynamics)
  • Article
  • Open Access
457 Citations
18,853 Views
56 Pages

20 September 2020

Multi-Criteria Decision-Analysis (MCDA) methods are successfully applied in different fields and disciplines. However, in many studies, the problem of selecting the proper methods and parameters for the decision problems is raised. The paper undertak...

(This article belongs to the Special Issue Uncertain Multi-Criteria Optimization Problems)
  • Review
  • Open Access
411 Citations
50,487 Views
92 Pages

2 June 2015

Approximately two decades after the first pioneering analyses, the study of shape asymmetry with the methods of geometric morphometrics has matured and is a burgeoning field. New technology for data collection and new methods and software for analysi...

(This article belongs to the Special Issue Fluctuating Asymmetry)
  • Article
  • Open Access
401 Citations
26,332 Views
20 Pages

A Modified CRITIC Method to Estimate the Objective Weights of Decision Criteria

  • Anath Rau Krishnan,
  • Maznah Mat Kasim,
  • Rizal Hamid and
  • Mohd Fahmi Ghazali

31 May 2021

In this study, we developed a modified version of the CRiteria Importance Through Inter-criteria Correlation (CRITIC) method, namely the Distance Correlation-based CRITIC (D-CRITIC) method. The usage of the method was illustrated by evaluating the we...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
398 Citations
23,894 Views
12 Pages

Fundus Image Classification Using VGG-19 Architecture with PCA and SVD

  • Muhammad Mateen,
  • Junhao Wen,
  • Nasrullah,
  • Sun Song and
  • Zhouping Huang

20 December 2018

Automated medical image analysis is an emerging field of research that identifies the disease with the help of imaging technology. Diabetic retinopathy (DR) is a retinal disease that is diagnosed in diabetic patients. Deep neural network (DNN) is wid...

  • Review
  • Open Access
359 Citations
38,479 Views
75 Pages

Fluctuating Asymmetry: Methods, Theory, and Applications

  • John H. Graham,
  • Shmuel Raz,
  • Hagit Hel-Or and
  • Eviatar Nevo

25 March 2010

Fluctuating asymmetry consists of random deviations from perfect symmetry in populations of organisms. It is a measure of developmental noise, which reflects a population’s average state of adaptation and coadaptation. Moreover, it increases under bo...

(This article belongs to the Special Issue Feature Papers: Symmetry Concepts and Applications)
  • Review
  • Open Access
346 Citations
28,440 Views
21 Pages

Sixth Generation (6G) Wireless Networks: Vision, Research Activities, Challenges and Potential Solutions

  • Mohammed H. Alsharif,
  • Anabi Hilary Kelechi,
  • Mahmoud A. Albreem,
  • Shehzad Ashraf Chaudhry,
  • M. Sultan Zia and
  • Sunghwan Kim

24 April 2020

The standardization activities of the fifth generation communications are clearly over and deployment has commenced globally. To sustain the competitive edge of wireless networks, industrial and academia synergy have begun to conceptualize the next g...

(This article belongs to the Special Issue Information Technologies and Electronics)
  • Review
  • Open Access
334 Citations
23,702 Views
24 Pages

Application of MCDM Methods in Sustainability Engineering: A Literature Review 2008–2018

  • Mirko Stojčić,
  • Edmundas Kazimieras Zavadskas,
  • Dragan Pamučar,
  • Željko Stević and
  • Abbas Mardani

8 March 2019

Sustainability is one of the main challenges of the recent decades. In this regard, several prior studies have used different techniques and approaches for solving this problem in the field of sustainability engineering. Multiple criteria decision ma...

(This article belongs to the Special Issue Multi-Criteria Decision-Making Techniques for Improvement Sustainability Engineering Processes)
  • Article
  • Open Access
334 Citations
25,450 Views
15 Pages

IntruDTree: A Machine Learning Based Cyber Security Intrusion Detection Model

  • Iqbal H. Sarker,
  • Yoosef B. Abushark,
  • Fawaz Alsolami and
  • Asif Irshad Khan

6 May 2020

Cyber security has recently received enormous attention in today’s security concerns, due to the popularity of the Internet-of-Things (IoT), the tremendous growth of computer networks, and the huge number of relevant applications. Thus, detecti...

  • Article
  • Open Access
302 Citations
26,372 Views
31 Pages

Genetic Algorithm Based on Natural Selection Theory for Optimization Problems

  • Musatafa Abbas Albadr,
  • Sabrina Tiun,
  • Masri Ayob and
  • Fahad AL-Dhief

23 October 2020

The metaheuristic genetic algorithm (GA) is based on the natural selection process that falls under the umbrella category of evolutionary algorithms (EA). Genetic algorithms are typically utilized for generating high-quality solutions for search and...

(This article belongs to the Section A: Computer Science)
  • Review
  • Open Access
291 Citations
31,318 Views
29 Pages

Internet of Things and Its Applications: A Comprehensive Survey

  • Rosilah Hassan,
  • Faizan Qamar,
  • Mohammad Kamrul Hasan,
  • Azana Hafizah Mohd Aman and
  • Amjed Sid Ahmed

14 October 2020

With the evolution of the fifth-generation (5G) wireless network, the Internet of Things (IoT) has become a revolutionary technique that enables a diverse number of features and applications. It can able a diverse amount of devices to be connected in...

(This article belongs to the Special Issue Symmetry and IoT Intelligence in the Post Pandemic Economy)
  • Article
  • Open Access
284 Citations
39,523 Views
13 Pages

18 August 2017

Blockchain has drawn attention as the next-generation financial technology due to its security that suits the informatization era. In particular, it provides security through the authentication of peers that share virtual cash, encryption, and the ge...

(This article belongs to the Special Issue Advanced in Artificial Intelligence and Cloud Computing)
  • Article
  • Open Access
272 Citations
19,047 Views
17 Pages

15 February 2019

Forecasting solar radiation has recently become the focus of numerous researchers due to the growing interest in green energy. This study aims to develop a seasonal auto-regressive integrated moving average (SARIMA) model to predict the daily and mon...

  • Article
  • Open Access
267 Citations
14,183 Views
20 Pages

23 June 2020

The network intrusion detection system (NIDS) aims to identify virulent action in a network. It aims to do that through investigating the traffic network behavior. The approaches of data mining and machine learning (ML) are extensively used in the NI...

  • Article
  • Open Access
266 Citations
5,002 Views
14 Pages

26 April 2019

In the current article, we consider certain subfamilies S e ∗ and C e of univalent functions associated with exponential functions which are symmetric along real axis in the region of open unit disk. For these classes our aim...

(This article belongs to the Special Issue Integral Transformations, Operational Calculus and Their Applications)
  • Feature Paper
  • Review
  • Open Access
264 Citations
27,564 Views
41 Pages

Surface Terminations of MXene: Synthesis, Characterization, and Properties

  • Mengrao Tang,
  • Jiaming Li,
  • Yu Wang,
  • Wenjuan Han,
  • Shichong Xu,
  • Ming Lu,
  • Wei Zhang and
  • Haibo Li

24 October 2022

MXene, 2D transition metal carbides, nitrides, and carbonitrides with a unique 2D structure, inspired a series of function applications related to energy storage and conversion, biometrics and sensing, lighting, purification, and separation. Its surf...

(This article belongs to the Section D: Chemistry: Symmetry/Asymmetry)
  • Article
  • Open Access
256 Citations
35,486 Views
18 Pages

17 April 2018

Every organization seeks to set strategies for its development and growth and to do this, it must take into account the factors that affect its success or failure. The most widely used technique in strategic planning is SWOT analysis. SWOT examines s...

(This article belongs to the Special Issue Algebraic Structures of Neutrosophic Triplets, Neutrosophic Duplets, or Neutrosophic Multisets)
  • Article
  • Open Access
253 Citations
18,376 Views
21 Pages

Performance Evaluation of Machine Learning Methods for Forest Fire Modeling and Prediction

  • Binh Thai Pham,
  • Abolfazl Jaafari,
  • Mohammadtaghi Avand,
  • Nadhir Al-Ansari,
  • Tran Dinh Du,
  • Hoang Phan Hai Yen,
  • Tran Van Phong,
  • Duy Huu Nguyen,
  • Hiep Van Le and
  • Tran Thi Tuyen
  • + 3 authors

17 June 2020

Predicting and mapping fire susceptibility is a top research priority in fire-prone forests worldwide. This study evaluates the abilities of the Bayes Network (BN), Naïve Bayes (NB), Decision Tree (DT), and Multivariate Logistic Regression (MLP)...

  • Article
  • Open Access
251 Citations
39,004 Views
47 Pages

24 September 2019

Over the last decade, blockchain technology has emerged to provide solutions to the complexity and privacy challenges of using distributed databases. It reduces cost for customers by eliminating intermediaries and builds trust in peer-to-peer communi...

  • Feature Paper
  • Review
  • Open Access
237 Citations
14,172 Views
69 Pages

Recent Advances in Inflation

  • Sergei D. Odintsov,
  • Vasilis K. Oikonomou,
  • Ifigeneia Giannakoudi,
  • Fotis P. Fronimos and
  • Eirini C. Lymperiadou

5 September 2023

We review recent trends in inflationary dynamics in the context of viable modified gravity theories. After providing a general overview of the inflationary paradigm emphasizing on what problems hot Big Bang theory inflation solves, and a somewhat int...

(This article belongs to the Special Issue Physics and Symmetry Section: Feature Papers 2023)
  • Article
  • Open Access
233 Citations
17,868 Views
42 Pages

8 March 2010

I report, emphasizing some key open issues and some aspects that are particularly relevant for phenomenology, on the status of the development of “doubly-special” relativistic (“DSR”) theories with both an observer-independent high-velocity scale and...

(This article belongs to the Special Issue Feature Papers: Symmetry Concepts and Applications)
  • Review
  • Open Access
231 Citations
46,262 Views
63 Pages

Chlorophylls, Symmetry, Chirality, and Photosynthesis

  • Mathias O. Senge,
  • Aoife A. Ryan,
  • Kristie A. Letchford,
  • Stuart A. MacGowan and
  • Tamara Mielke

10 September 2014

Chlorophylls are a fundamental class of tetrapyrroles and function as the central reaction center, accessory and photoprotective pigments in photosynthesis. Their unique individual photochemical properties are a consequence of the tetrapyrrole macroc...

(This article belongs to the Special Issue Supramolecular Chirality)
  • Article
  • Open Access
229 Citations
30,835 Views
29 Pages

A Survey on Knowledge Graph Embeddings for Link Prediction

  • Meihong Wang,
  • Linling Qiu and
  • Xiaoli Wang

16 March 2021

Knowledge graphs (KGs) have been widely used in the field of artificial intelligence, such as in information retrieval, natural language processing, recommendation systems, etc. However, the open nature of KGs often implies that they are incomplete,...

(This article belongs to the Special Issue 2020 Big Data and Artificial Intelligence Conference)
  • Article
  • Open Access
228 Citations
25,459 Views
17 Pages

Fall Detection Based on Key Points of Human-Skeleton Using OpenPose

  • Weiming Chen,
  • Zijie Jiang,
  • Hailin Guo and
  • Xiaoyang Ni

5 May 2020

According to statistics, falls are the primary cause of injury or death for the elderly over 65 years old. About 30% of the elderly over 65 years old fall every year. Along with the increase in the elderly fall accidents each year, it is urgent to fi...

(This article belongs to the Section E: Life Sciences)
  • Article
  • Open Access
223 Citations
6,012 Views
14 Pages

1 October 2017

In rock mechanics, the study of shear strength on the structural surface is crucial to evaluating the stability of engineering rock mass. In order to determine the shear strength, a key parameter is the joint roughness coefficient (JRC). To express a...

(This article belongs to the Special Issue Neutrosophic Theories Applied in Engineering)
  • Review
  • Open Access
219 Citations
29,125 Views
29 Pages

16 June 2014

The introduction of chirality, i.e., the lack of mirror symmetry, has a profound effect on liquid crystals, not only on the molecular scale but also on the supermolecular scale and phase. I review these effects, which are related to the formation of...

(This article belongs to the Special Issue Supramolecular Chirality)
  • Review
  • Open Access
218 Citations
28,295 Views
37 Pages

17 July 2020

When the Internet and other interconnected networks are used in a health system, it is referred to as “e-Health.” In this paper, we examined research studies from 2017–2020 to explore the utilization of intelligent techniques in health and its evolut...

(This article belongs to the Special Issue Special issue on Symmetry and Asymmetry in IoT and CPS Security and Privacy)
  • Review
  • Open Access
214 Citations
53,961 Views
19 Pages

Security and Accuracy of Fingerprint-Based Biometrics: A Review

  • Wencheng Yang,
  • Song Wang,
  • Jiankun Hu,
  • Guanglou Zheng and
  • Craig Valli

28 January 2019

Biometric systems are increasingly replacing traditional password- and token-based authentication systems. Security and recognition accuracy are the two most important aspects to consider in designing a biometric system. In this paper, a comprehensiv...

  • Article
  • Open Access
210 Citations
16,088 Views
19 Pages

12 July 2022

Artificial intelligence is widely applied to automate Diabetic retinopathy diagnosis. Diabetes-related retinal vascular disease is one of the world’s most common leading causes of blindness and vision impairment. Therefore, automated DR detecti...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
209 Citations
12,269 Views
12 Pages

On Sombor Index

  • Kinkar Chandra Das,
  • Ahmet Sinan Çevik,
  • Ismail Naci Cangul and
  • Yilun Shang

16 January 2021

The concept of Sombor index (SO) was recently introduced by Gutman in the chemical graph theory. It is a vertex-degree-based topological index and is denoted by Sombor index SO: SO=SO(G)=∑vivj∈E(G)dG(vi)2+dG(vj)2, where dG(vi) is the degree...

(This article belongs to the Special Issue Analytical and Computational Properties of Topological Indices)
  • Article
  • Open Access
208 Citations
24,535 Views
13 Pages

7 March 2019

The rapid, recent development of image recognition technologies has led to the widespread use of convolutional neural networks (CNNs) in automated image classification and in the recognition of plant diseases. Aims: The aim of the present study was t...

  • Article
  • Open Access
206 Citations
8,601 Views
14 Pages

1 June 2018

In this manuscript, two generalizations of fuzzy sets, intuitionistic fuzzy sets and picture fuzzy sets, known as spherical fuzzy sets and T-spherical fuzzy sets, are discussed and a numerical and geometrical comparison among them is established. A T...

  • Article
  • Open Access
205 Citations
15,926 Views
15 Pages

Machine-Learning-Based DDoS Attack Detection Using Mutual Information and Random Forest Feature Importance Method

  • Mona Alduailij,
  • Qazi Waqas Khan,
  • Muhammad Tahir,
  • Muhammad Sardaraz,
  • Mai Alduailij and
  • Fazila Malik

27 May 2022

Cloud computing facilitates the users with on-demand services over the Internet. The services are accessible from anywhere at any time. Despite the valuable services, the paradigm is, also, prone to security issues. A Distributed Denial of Service (D...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
203 Citations
6,670 Views
18 Pages

18 May 2019

The present paper aims to define three new notions: Θ e -contraction, a Hardy–Rogers-type Θ -contraction, and an interpolative Θ -contraction in the framework of extended b-metric space. Further, some fixed po...

  • Article
  • Open Access
199 Citations
6,862 Views
7 Pages

20 July 2017

In nature, the mechanical properties of geological bodies are very complex, and their various mechanical parameters are vague, incomplete, imprecise, and indeterminate. However, we cannot express them by the crisp values in classical probability and...

  • Article
  • Open Access
198 Citations
12,084 Views
14 Pages

Improved YOLOv4 Marine Target Detection Combined with CBAM

  • Huixuan Fu,
  • Guoqing Song and
  • Yuchao Wang

8 April 2021

Marine target detection technology plays an important role in sea surface monitoring, sea area management, ship collision avoidance, and other fields. Traditional marine target detection algorithms cannot meet the requirements of accuracy and speed....

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
196 Citations
69,603 Views
11 Pages

3 November 2022

One of the most significant issues facing internet users nowadays is malware. Polymorphic malware is a new type of malicious software that is more adaptable than previous generations of viruses. Polymorphic malware constantly modifies its signature t...

(This article belongs to the Section A: Computer Science)
  • Feature Paper
  • Article
  • Open Access
195 Citations
7,801 Views
24 Pages

Revisiting a Negative Cosmological Constant from Low-Redshift Data

  • Luca Visinelli,
  • Sunny Vagnozzi and
  • Ulf Danielsson

10 August 2019

Persisting tensions between high-redshift and low-redshift cosmological observations suggest the dark energy sector of the Universe might be more complex than the positive cosmological constant of the Λ CDM model. Motivated by string theory, w...

(This article belongs to the Section C: Physics)
  • Article
  • Open Access
192 Citations
18,873 Views
18 Pages

An Intelligent IoT-Based Food Quality Monitoring Approach Using Low-Cost Sensors

  • Alexandru Popa,
  • Mihaela Hnatiuc,
  • Mirel Paun,
  • Oana Geman,
  • D. Jude Hemanth,
  • Daniel Dorcea,
  • Le Hoang Son and
  • Simona Ghita

13 March 2019

The evolution of multipurpose sensors over the last decades has been investigated with the aim of developing innovative devices with applications in several fields of technology, including in the food industry. The integration of such sensors in food...

  • Feature Paper
  • Article
  • Open Access
188 Citations
5,517 Views
21 Pages

Different Faces of Generalized Holographic Dark Energy

  • Shin’ichi Nojiri,
  • Sergei D. Odintsov and
  • Tanmoy Paul

23 May 2021

In the formalism of generalized holographic dark energy (HDE), the holographic cut-off is generalized to depend upon LIR=LIRLp,L˙p,L¨p,⋯,Lf,L˙f,⋯,a with Lp and Lf being the particle horizon and the future horizon, respectively (moreover, a is the sca...

(This article belongs to the Special Issue Symmetry: Feature Papers 2022)
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Symmetry - ISSN 2073-8994