Peer-reviewed, citable articles published ahead of their issue.
Open Access
Research Article·pp. 1–11·Online FirstOct 2026
Hamed Mahmoodzadeh, Saied Mohammadian Semnani
Published Online: 06 Oct 2026DOI: 10.47974/JIOS-2166 In this paper: This paper investigates the independent 2-domination polynomial of complete bipartite graphs Km, n. We establish closed formulas for this polynomial and describe all independent 2-dominating sets in s...
Open Access
Research Article·pp. 1–18·Online FirstOct 2026
Ogethakpo Arhonefe Joseph, Ogoegbulem Ozioma, Nwagor Peters, Nwaigwe Chrysogonus Chinagorom
Published Online: 03 Oct 2026DOI: 10.47974/JIOS-2177 In this paper: This study investigates the p-vector norm error between interacting datasets subjected to random noise fluctuations using a numerical simulation approach. A system of nonlinear ordinary differential e...
Open Access
Research Article·pp. 1–9·Online FirstSep 2026
Yi-Hui Liang
Published Online: 10 Sep 2026DOI: 10.47974/JIOS-2151 In this paper: The machines used by humans are becoming more and more complex and intelligent, and the environments in which machines are used are more diverse. Reliability prediction has become a very challenging r...
Open Access
Research Article·pp. 1–13·Online FirstSep 2026
I. Lekshmi, M. Regees
Published Online: 07 Sep 2026DOI: 10.47974/JIOS-1842 In this paper: The SARS-CoV-2 virus causes coronavirus disease (Covid-19), an infectious disease that has recently become a major problem for nations all over the world. Vaccines are effective interventions for figh...
Open Access
Research Article·pp. 1–10·Online FirstSep 2026
Santhosh Kumar Gorva, Karuna S. Bhosale, J. Sebastian Nixon, S. N. Prajwalasimha, Dilip Kumar Jang Bahadur Saini, Vijaya Kumbhar
Published Online: 01 Sep 2026DOI: 10.47974/JIOS-2204 In this paper: Introduction Federated Learning (FL) empowers disseminated clients to collaboratively train models, while maintaining the privacy of their data. Yet, several security problems including malicious clie...
Open Access
Research Article·pp. 1–10·Online FirstAug 2026
J. Sebastian Nixon, Santhosh Kumar Gorva, Sachin Solanki, Dilip Kumar Jang Bahadur Saini, S. N. Prajwalasimha, Pulkit Tiwari
Published Online: 31 Aug 2026DOI: 10.47974/JIOS-2203 In this paper: Due to the growing number of advanced attacks and escalating frequency of cyber threats, an intelligent, decentralized and tamper-resistant CTI (Cyber Threat Intelligence) mechanism is in more demand...
Open Access
Research Article·pp. 1–9·Online FirstAug 2026
Satpal Singh Kushwaha, Anubhav Saxena
Published Online: 31 Aug 2026DOI: 10.47974/JIOS-2207 In this paper: Ethereum smart contracts, pivotal components of decentralized applications, are increasingly susceptible to various security vulnerabilities. To address these challenges, this paper presents a unified...
Open Access
Research Article·pp. 1–13·Online FirstAug 2026
Akash Punhani, Sumit Kumar, Lalit Kumar
Published Online: 29 Aug 2026DOI: 10.47974/JIOS-2313 In this paper: Popular and latest technology which is named as grey wolf optimizer (GWO) is very advantageous in hunting the grey wolves due to its meta heuristic behaviour of algorithm. In this algorithm the huntin...
Open Access
Research Article·pp. 1–10·Online FirstAug 2026
Pemha Binyam Gabriel Cedric
Published Online: 29 Aug 2026DOI: 10.47974/JIOS-2200 In this paper: This paper introduces a novel framework for the transport of combinatorial structures using the braid group Bm, generalizing the classical theory of species of structures developed by Joyal and Berger...
Open Access
Research Article·pp. 1–11·Online FirstAug 2026
Mahdi Imanparast
Published Online: 27 Aug 2026DOI: 10.47974/JIOS-2146 In this paper: We investigate the minimum enclosing ball problem for given n points in fixed dimension d. We present three new approximation algorithms to the problem: a√d-approximation algorithm, a 2-approximation...
Open Access
Research Article·pp. 1–20·Online FirstJul 2026
Swati Jadhav, Sagar Mohite, Vaishali Rajput, Rashmi Ashtagi, Anusha Pai, Santushti Betgeri
Published Online: 30 Jul 2026DOI: 10.47974/JIOS-2374 In this paper: The increasing realism of Deepfake media generated by modern models poses significant risks to digital trust and forensics. Although Vision Transformer-based detectors outperform Convolutional Methods...
Open Access
Research Article·pp. 1–32·Online FirstJul 2026
Abhishek Verma, Deeshant Rajput, Saptarshi Mandal, Jhareswar Maiti
Published Online: 15 Jul 2026DOI: 10.47974/JIOS-2189 In this paper: Near-miss incidents (as leading safety indicators) provide implicit signals regarding the various limitations of the prevalent safety management system at a workplace. Implementing proactive safety me...
Open Access
Research Article·pp. 1–18·Online FirstJul 2026
Madhu Dadhwal, Pankaj, Ankita
Published Online: 11 Jul 2026DOI: 10.47974/JIOS-2140 In this paper: The connectivity of the complements of the Johnson graphs 𝒥(ℵ, 𝓇) is completely characterized for every ℵ ≥ 2𝓇. A combinatorial identity as a variation of vandermonde’s identity has been established t...
Open Access
Research Article·pp. 1–22·Online FirstJul 2026
Abhishek, Ruchi Sehrawat
Published Online: 11 Jul 2026DOI: 10.47974/JIOS-2160 In this paper: The exponential rise of multimedia data transmission in the digital era highlights the imperative for robust security protocols to safeguard sensitive information against unauthorized access and cyber...
Open Access
Research Article·pp. 1–19·Online FirstJun 2026
Hamideh Aram, Maryam Atapour, Nasrin Dehgardi
Published Online: 08 Jun 2026DOI: 10.47974/JIOS-1910 In this paper: In a graph G, the neighborhood version of the harmonic index is calculated by summing the values 2/(ΛG (x)+ΛG (y)) for all pairs of adjacent vertices x and y. Here, ΛG (x) represents the total degree...
Open Access
Research Article·pp. 1–28·Online FirstJun 2026
Mahsa Sadeghi, Ali Asghar Talebi
Published Online: 01 Jun 2026DOI: 10.47974/JIOS-2104 In this paper: Asthma is a common, long-term disease that directly affects the quality of life of patients. Proper management of this disease requires the use of effective and safe medications. Studies are looking t...
Open Access
Research Article·pp. 1–22·Online FirstMay 2026
Himjyoti Talukdar, Nitish Kumar Sarma, Debashish Bordoloi, Riya Sil, Nirmalya Pal
Published Online: 22 May 2026DOI: 10.47974/JIOS-1981 In this paper: The increasing frequency of attacks on computer systems, networks, and information systems, in general necessitate robust defense mechanisms and that can be detected by Intrusion-Detection Systems (ID...
Open Access
Research Article·pp. 1–10·Online FirstMay 2026
Stefan M. Stefanov
Published Online: 15 May 2026DOI: 10.47974/JIOS-2227 In this paper: The special case of convex separable optimization is considered in this paper. Relations between an admissible solution and an optimal solution of the initial separable optimization problem (SP), app...
Open Access
Research Article·pp. 1–20·Online FirstMay 2026
Nirakar Sahoo, Rupaj Kumar Nayak
Published Online: 13 May 2026DOI: 10.47974/JIOS-1841 In this paper: We consider the use of mean-variance (MV) portfolio optimization for investors with the risk preference parameter and some real-life trading constraints, such as the cardinality constraint. For the se...
Open Access
Research Article·pp. 1–11·Online FirstMay 2026
Stefan M. Stefanov
Published Online: 09 May 2026DOI: 10.47974/JIOS-1954 In this paper: Some theoretical issues about the dual simplex method are discussed, an algorithm for solving linear optimization problems by this method is considered, and illustrative numerical example is presented...