TARU PUBLICATIONS
Journal of Information and Optimization Sciences cover
Open Access ·Peer-reviewed·ISSN (Online): 2169-0103·ISSN (Print): 0252-2667

WoS  JIF 2026 : 0.4 (Q4)

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Monthly Journal: Publishes theoretical and applied research on topics in information and optimization sciences.

Issues up to 2022 co-published with and available at:Taylor & Francis
submissions@tarupublications.com
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Online First Articles

Peer-reviewed, citable articles published ahead of their issue.

Open Access Research Article·pp. 1–11·Online FirstOct 2026

Independent 2-domination polynomials in complete bipartite graphs

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...

AbstractReferencesFull Text PDF (296 KB)Views: 190Downloads: 163Citations: 0
Open Access Research Article·pp. 1–18·Online FirstOct 2026

Numerical analysis of p-vector norm errors in interacting data under random noise fluctuation

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...

AbstractReferencesFull Text PDF (810 KB)Views: 134Downloads: 119Citations: 0
Open Access Research Article·pp. 1–13·Online FirstSep 2026

A fuzzy NoVaRM vaccine selection decision-making model for Covid-19 : A case study in India

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...

AbstractReferencesFull Text PDF (696 KB)Views: 159Downloads: 164Citations: 0
Open Access Research Article·pp. 1–10·Online FirstSep 2026

Secure and scalable federated learning with blockchain consensus and incentive mechanisms

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...

AbstractReferencesFull Text PDF (411 KB)Views: 271Downloads: 130Citations: 0
Open Access Research Article·pp. 1–10·Online FirstAug 2026

Privacy-preserving federated learning for cyber threat intelligence in industrial systems with blockchain security

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...

AbstractReferencesFull Text PDF (436 KB)Views: 311Downloads: 158Citations: 0
Open Access Research Article·pp. 1–9·Online FirstAug 2026

A comprehensive security framework for Ethereum smart contracts : Integrating static analysis and dynamic testing

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...

AbstractReferencesFull Text PDF (451 KB)Views: 156Downloads: 102Citations: 0
Open Access Research Article·pp. 1–13·Online FirstAug 2026

An omega tuned grey wolf optimization applied in binary classification problems

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...

AbstractReferencesFull Text PDF (463 KB)Views: 180Downloads: 128Citations: 0
Open Access Research Article·pp. 1–10·Online FirstAug 2026

The transport of combinatorial structures via braid group actions : A species-theoretic approach

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...

AbstractReferencesFull Text PDF (395 KB)Views: 155Downloads: 125Citations: 0
Open Access Research Article·pp. 1–11·Online FirstAug 2026

Approximation algorithms for the minimum enclosing ball problem in high dimensions

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...

AbstractReferencesFull Text PDF (912 KB)Views: 201Downloads: 125Citations: 0
Open Access Research Article·pp. 1–20·Online FirstJul 2026

Attention consistency for robust deepfake detection : An informationtheoretic perspective

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...

AbstractReferencesFull Text PDF (970 KB)Views: 313Downloads: 324Citations: 0
Open Access Research Article·pp. 1–32·Online FirstJul 2026

Integrating text mining and Bayesian networks for root-cause identification of near-miss incidents to enhance safety measures

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...

AbstractReferencesFull Text PDF (8.0 MB)Views: 223Downloads: 121Citations: 0
Open Access Research Article·pp. 1–18·Online FirstJul 2026

Topological indices of johnson graphs and their complements

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...

AbstractReferencesFull Text PDF (541 KB)Views: 249Downloads: 216Citations: 0
Open Access Research Article·pp. 1–22·Online FirstJul 2026

A multi-layered image encryption framework using Henon chaos and Reframed RSA 

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...

AbstractReferencesFull Text PDF (4.3 MB)Views: 134Downloads: 116Citations: 0
Open Access Research Article·pp. 1–19·Online FirstJun 2026

The neighborhood version of the Harmonic index of trees

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...

AbstractReferencesFull Text PDF (844 KB)Views: 172Downloads: 142Citations: 0
Open Access Research Article·pp. 1–28·Online FirstJun 2026

Quantitative structure-property analysis of Asthma drugs using distance-based topological indices and SMP polynomials

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...

AbstractReferencesFull Text PDF (1.2 MB)Views: 98Downloads: 136Citations: 0
Open Access Research Article·pp. 1–22·Online FirstMay 2026

Innovative host-based intrusion detection systems : Safeguarding networks in the digital Era

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...

AbstractReferencesFull Text PDF (1.1 MB)Views: 335Downloads: 157Citations: 0
Open Access Research Article·pp. 1–10·Online FirstMay 2026

Convex separable optimization

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...

AbstractReferencesFull Text PDF (556 KB)Views: 263Downloads: 185Citations: 0
Open Access Research Article·pp. 1–20·Online FirstMay 2026

A tight semidefinite relaxation for portfolio optimization problem with cardinality constraint

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...

AbstractReferencesFull Text PDF (906 KB)Views: 276Downloads: 140Citations: 0
Open Access Research Article·pp. 1–11·Online FirstMay 2026

On the dual simplex method

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...

AbstractReferencesFull Text PDF (475 KB)Views: 154Downloads: 157Citations: 0