Open Access
Research Article·pp. 1–15·Vol. 47, Issue 1Jan 2026
Bennani Ahlem, Dj. Benterki
Published Online: 03 Feb 2025DOI: 10.47974/JIOS-1224 In this paper: We present two different techniques for solving a quadratic fractional program. The first one uses Taylor’s development which makes it possible to transform the quadratic fractional programming proble...
Open Access
Research Article·pp. 17–39·Vol. 47, Issue 1Jan 2026
S. R. Kaafi, E. Hesameddini, P. Mokhtary
Published Online: 08 Sep 2025DOI: 10.47974/JIOS-1324 In this paper: This work is about a suitable numerical method based on the Muntz-Legendre polynomials for solving a type of the generalized Abel integral equations. The propose method approximates the unknown functi...
Open Access
Research Article·pp. 41–56·Vol. 47, Issue 1Jan 2026
Elahe Zaker Harofteh, Faranak Hosseinzadeh Saljooghi
Published Online: 24 May 2025DOI: 10.47974/JIOS-1325 In this paper: Production and service systems include multiple stages. Network data envelopment analysis is a method that is commonly used in the evaluation of multi stage system. These stages can be classified as i...
Open Access
Research Article·pp. 57–85·Vol. 47, Issue 1Jan 2026
Utku Kantekin, Gulcin Dinc Yalcin, Emine Akyol Ozer
Published Online: 31 Mar 2025DOI: 10.47974/JIOS-1337 In this paper: The transportation of recyclable waste collection is significant for reducing the effect of greenhouse gases. In this study, we investigate a multi-depot green vehicle routing problem in which one gro...
Open Access
Research Article·pp. 87–98·Vol. 47, Issue 1Jan 2026
Neng-Hui Shih, W.C. Tsai, Chih-Hsiung Wang
Published Online: 03 Feb 2025DOI: 10.47974/JIOS-1425 In this paper: When product inspection time is non-negligible, a previous paper developed an online inspection and production model in which inspection errors do not exist. It is assumed that the inspection rate is...
Open Access
Research Article·pp. 99–117·Vol. 47, Issue 1Jan 2026
Billel Zaoui, Dj. Benterki, Samia Khelladi
Published Online: 03 Feb 2025DOI: 10.47974/JIOS-1463 In this paper: We introduce a new interior-point method for solving convex quadratic programming under full-Newton step. The method involves an equivalent algebraic transformation applied to the system defining the...
Open Access
Research Article·pp. 119–131·Vol. 47, Issue 1Jan 2026
Stefan M. Stefanov
Published Online: 31 Mar 2025DOI: 10.47974/JIOS-1468 In this paper: Some facility location problems are considered in the paper, in particular, box constrained facility location problems. The optimal solution is described by a characterization theorem, and an efficien...
Open Access
Research Article·pp. 133–143·Vol. 47, Issue 1Jan 2026
Nima Ghanbari, Saeid Alikhani
Published Online: 09 Sep 2025DOI: 10.47974/JIOS-1500 In this paper: The Sombor index (SO) is a vertex-degree-based graph invariant, defined as the sum over all pairs of adjacent vertices of √d2i +d2j, where di is the degree of the i-th vertex. It has been conceived us...
Open Access
Research Article·pp. 145–165·Vol. 47, Issue 1Jan 2026
Okecukwu K Nwofor, Chioma N Nwofor, Nathaniel E. Onyenwe
Published Online: 13 Jun 2025DOI: 10.47974/JIOS-1505 In this paper: We introduce a projectile model for pandemics which shows that a pandemic without control spreads in log-time scale within a population in the form of a mechanical projectile in a free atmosphere. Hen...
Open Access
Research Article·pp. 167–184·Vol. 47, Issue 1Jan 2026
Xi Chen, Chih-Kai Chen
Published Online: 03 Feb 2025DOI: 10.47974/JIOS-1511 In this paper: In recent years, the global cultural industry has been booming, and digital technology has brought new business models, opportunities, and development potential to the industry. According to reports f...
Open Access
Research Article·pp. 185–205·Vol. 47, Issue 1Jan 2026
V. K. Srivastava, Vinit K. Srivastava
Published Online: 03 Oct 2025DOI: 10.47974/JIOS-1512 In this paper: In this paper, a gradient-based optimization approach with two stages is proposed that is designed to efficiently solve mixed-integer programming problems with linear and nonlinear objective functions...
Open Access
Research Article·pp. 207–213·Vol. 47, Issue 1Jan 2026
Chung-Ho Chen, Tzu-Hsien Lee
Published Online: 03 Feb 2025DOI: 10.47974/JIOS-1513 In this paper: This work discusses inventory model based on EMQ, process mean setting, and parameters of inspection plan in the first step. Then the optimal quality investment for reducing process variance is determ...
Open Access
Research Article·pp. 215–233·Vol. 47, Issue 1Jan 2026
Khalida Aissani, Abdelkrim Salim, Mouffak Benchohra
Published Online: 09 Dec 2025DOI: 10.47974/JIOS-1515 In this paper: This paper is mainly concerned with the existence of mild solutions of a class of fractional integro-differential inclusions with state-dependent delay subject to not instantaneous impulses. The main...
Open Access
Research Article·pp. 235–250·Vol. 47, Issue 1Jan 2026
Muhammad Amir Asif, Hafiz Muhammad Afzal Siddiqui, Muhammad Faisal Nadeem
Published Online: 03 Feb 2025DOI: 10.47974/JIOS-1586 In this paper: In graph theory we define the total labeling, such that the edge labels and vertex labels are positive integers and even integers respectively and for different edges we have distinct weights, whereas...
Open Access
Research Article·pp. 251–272·Vol. 47, Issue 1Jan 2026
Chun-Ting Hsu, Wen-Hung Chao
Published Online: 06 Jan 2026DOI: 10.47974/JIOS-1843 In this paper: The music” Dancing Tainan String Quartet “ is a part of the large-scale cross-domain exhibition and design, “the Imagery of Nanying”, created by the author and commissioned by Tainan Art Festival in 2...
Open Access
Research Article·pp. 273–286·Vol. 47, Issue 1Jan 2026
D. R. Denslin Brabin, W. Agitha, K. Kalai Kumar, P. Swarna Lakshmi
Published Online: 03 Oct 2025DOI: 10.47974/JIOS-1974 In this paper: Instant messengers can be used to exchange messages across different platforms like Android, IOS, Linux, Windows and MacOS. In this paper, an instant messenger called as Fedqim is proposed which is a...
Open Access
Research Article·pp. 287–298·Vol. 47, Issue 1Jan 2026
Basim Najim Al-din Abed, J. Karimpour, Farnaz Mahan
Published Online: 07 Nov 2025DOI: 10.47974/JIOS-2038 In this paper: Detection of deep fake has also become a top priority in digital security and media integrity domains, particularly with the widespread presence of sophisticated generative adversarial network (GAN)-b...
Open Access
Research Article·pp. 299–309·Vol. 47, Issue 1Jan 2026
S. Shiny Paulin, T. Bharathi
Published Online: 15 Nov 2025DOI: 10.47974/JIOS-2051 In this paper: The primary aim of this study is to present and expand on the idea of Laplacian energy within the context of power fuzzy graphs. The aim is to establish the Laplacian energy sequence for the power fuz...
Open Access
Research Article·pp. 311–325·Vol. 47, Issue 1Jan 2026
Sumit Kumar, Priyanka Bhutani
Published Online: 10 Nov 2025DOI: 10.47974/JIOS-2109 In this paper: Indoor positioning systems (IPS) suffer from errors due to signal interference, sensor inaccuracies, and environmental changes. The challenges associated with the accuracy of the Indoor Positioning Sy...
Open Access
Research Article·pp. 327–336·Vol. 47, Issue 1Jan 2026
Sambath Subramanian, Albert Ravi Arulappan, Arul Prasad Purushothaman, Rajkumar Ramachandran
Published Online: 05 Jan 2026DOI: 10.47974/JIOS-2136 In this paper: Artificial Intelligence (AI) is revolutionizing Brand identities in business, giving companies access to a variety of tools that enable them to better identify and engage their consumers. The implemen...
Open Access
Research Article·pp. 337–351·Vol. 47, Issue 1Jan 2026
K. Ravibabu, M. Vinod Kumar, M. V. Subba Rao, P. S. Brahmanandam
Published Online: 27 Dec 2025DOI: 10.47974/JIOS-2144 In this paper: This study investigates the flow patterns around square as well as inclined cylinders, a critical area in civil engineering due to their complex flow interactions. The research objectives are to condu...
Open Access
Research Article·pp. 353–369·Vol. 47, Issue 1Jan 2026
Ch. Kodanda Ramu, T. Srinivasa Rao
Published Online: 25 Nov 2025DOI: 10.47974/JIOS-2150 In this paper: The shift from traditional power grids to smart grids has enhanced efficiency, reliability, and flexibility through advanced digital communication, automation, and real-time control. However, this inc...
Open Access
Research Article·pp. 371–398·Vol. 47, Issue 1Jan 2026
Mona Adlakha, M. Afshar Alam, Sameena Naaz, Sherin Zafar
Published Online: 05 Jan 2026DOI: 10.47974/JIOS-2182 In this paper: Diabetes Mellitus is a rapidly growing global health concern that poses significant risks, if not detected and managed at an early stage. This study aims to develop a model that accurately predicts di...