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XGBoost and cost-sensitive CART for imbalanced multiclass diabetes classification in Iraq

Authors:

Nabila A. Alsharif, Inaam Aboud Hussain, Loaiy F. Naji

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00001

Abstract:

Diabetes imposes a substantial public health burden; according to the International Diabetes Federation, there were about 3.4 million diabetes related deaths worldwide in 2024, and in Iraq, the Federation reports that one in nine adults lives with diabetes in 2024, with 14,683 adult deaths attributable to diabetes and a total diabetes related health expenditure of 2,078 million United States dollars. The dataset analyzed in this study contains 1,000 records collected in 2020 from two Iraqi teaching hospitals and includes multiple clinical and laboratory measurements with three outcome classes, namely Non diabetic, Pre diabetic, and Diabetic, with a low prevalence of the Pre diabetic class and an imbalanced overall class distribution; the data are challenging because they contain many outliers, non homogeneous covariance matrices across classes, exact duplicate rows that were removed before modelling, and linear correlations among certain variables. The study objective was to train and evaluate models that discriminate among the three classes and yield accurate, well calibrated predictions for future cases in similar clinical settings, but the diagnostic properties of the data limited the applicability of classical discriminant functions; therefore two supervised learners were employed: Classification and Regression Trees (CART) and Extreme Gradient Boosting (XGBoost), together with preprocessing that removed exact duplicate rows and excluded VLDL because it is algebraically derived from triglycerides in mmol per liter as VLDL equals triglycerides divided by 2.2, which would introduce redundancy and multicollinearity. On the held-out test set, XGBoost achieved higher Accuracy at 98.18 percent compared with 97.58 percent for CART and higher Balanced Accuracy at 93.84 percent compared with 88.16 percent for CART, indicating that XGBoost provided the strongest overall operating point for this three-class task while CART remains useful when simple and transparent rules are required.

Keywords:

Classification,XGBoost,CART,Class imbalance,Diabetes,Pre diabetic,

References:

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IV. Chen T, Guestrin C. XGBoost: A Scalable Tree Boosting System. Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. 2016:785–794. doi:10.1145/2939672.2939785.
Duncan BB, et al. IDF Diabetes Atlas 11th edition 2025: global prevalence and key metrics. Nephrology Dialysis Transplantation. 2025. 10.1093/ndt/gfaf177.
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XI. Idhom, M., Fauzi, A., Muhaimin, A., & Caesarendra, W. (2025). Evaluation of CART and XGBoost Methods on Customer Loan Risk Prediction Based on Consumer Behavior. TEM Journal, 14(3), 2624–2630. 10.18421/TEM143-64
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ENHANCED FIXED POINT RESULTS IN G-METRIC SPACES VIA MANN ITERATION AND RATIONAL-TYPE CONTRACTIONS

Authors:

Maitreyee Dey, Hiral Raja, Vasavi Cheruku

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00002

Abstract:

In this work, we use the Mann iteration process rather than the conventional Picard operator to extend fixed point findings in G-metric spaces. Mann iteration is known to provide better convergence properties and stability in fixed point approximations, particularly in cases where Picard iteration fails due to weak contractive conditions. We present a new family of?rational-type contractive conditions and prove the existence and uniqueness of fixed points of single-valued mappings in G-complete G metric spaces. Specifically, we improve upon existing theorems in the literature both by generalizing their?statements as well as strengthening their use through an improved iterative scheme.

Keywords:

G-metric space,Fixed point,Mann iteration,Rational contraction,G-convergence,Iterative approximation,

References:

I. Aldwoah, K., Shah, S. K., Hussain, S., Almalahi, M. A., Arko, Y. A. S., & Hleili, M. (2024). Investigating fractal fractional PDEs, electric circuits, and integral inclusions via (?, ?)-rational type contractions. Scientific Reports, 14(23546), 1–15. 10.1038/s41598-024-74046-8
II. Acar, Ö. (2023). Some recent and new fixed point results on orthogonal metric-like space. Constructive Mathematical Analysis, 6(3), 184–197. 10.33205/cma.1360402
III. Alqahtani, B., Alzaid, S. S., Fulga, A., & Roldán López de Hierro, A. F. (2021). Proinov type contractions on dislocated b-metric spaces. Advances in Difference Equations, 2021(164), 1–16. 10.1186/s13662-021-03329-5
IV. Ege, O., Park, C., & Ansari, A. H. (2020). A different approach to complex valued Gb-metric spaces. Advances in Difference Equations, 2020(152), 1–13. 10.1186/s13662-020-02605-0
V. Imdad, M., Alfaqih, W. M., & Khan, I. A. (2018). Weak ?-contractions and some fixed point results with applications to fractal theory. Advances in Difference Equations, 2018(1), 439. 10.1186/s13662-018-1900-8.
VI. Kumar, M., Ege, O., Mor, V., Kumar, P., & De la Sen, M. (2024). Boyd-Wong type contractions in generalized parametric bipolar metric space. Heliyon, 10(1), e23998. 10.1016/j.heliyon.2024.e23998
VII. Yildirim, I., & Khan, S. Hussain. (2022). Convexity in G-metric spaces and approximation of fixed points by Mann iterative process. International Journal of Nonlinear Analysis and Applications, 13(1), 1957–1964. 10.22075/ijnaa.2021.21435.2259.
VIII. Gaba, Y. U. (2017). Fixed point theorems in G-metric spaces. Journal of Mathematical Analysis and Applications, 455(1), 528–537. 10.1016/j.jmaa.2017.05.062
IX. Kanwal, S., Waheed, S., Rahimzai, A. A., & Khan, I. (2024). Existence of common fuzzy fixed points via fuzzy F-contractions in b-metric spaces. Scientific Reports, 14(7807), 1–14. 10.1038/s41598-024-58451-7
X. Karap?nar, E., Chen, C.-M., Alghamdi, M. A., & Fulga, A. (2021). Advances on the fixed point results via simulation function involving rational terms. Advances in Difference Equations, 2021(409), 1–20. 10.1186/s13662-021-03564-w
XI. Okeke, G. A., Francis, D., & de la Sen, M. (2020). Some fixed point theorems for mappings satisfying rational inequality in modular metric spaces with applications. Heliyon, 6(9), e04785. 10.1016/j.heliyon.2020.e04785
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XXI. Turcanu, T., & Postolache, M. (2024). On a new approach of enriched operators. Heliyon, 10(3), e27890. 10.1016/j.heliyon.2024.e27890

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REAL-TIME DETECTION OF MALICIOUS LOGIC INJEC-TION IN SCADA SYSTEMS USING HYBRID YARA SIGNA-TURES

Authors:

Gulab Kumar Mondal, Arijit Das, Moumita Pal, Biswarup Neogi, DharamPal Singh

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00003

Abstract:

Modern Industrial Control Systems (ICS) and Supervisory Control and Data Acquisition (SCADA) networks face a growing class of logic-layer attacks in which adversaries silently manipulate configuration or project files instead of deploying traditional malware. Existing defences, such as network intrusion de-tection systems and machine-learning-based anomaly detectors, struggle to ob-serve these pre-deployment logic changes and often incur high operational complexity. This paper presents a lightweight, host-based framework that uses YARA, a rule-based pattern-matching engine, to perform static inspection of XML configuration files generated by SCADA engineering tools. The proposed system is implemented on a Windows 10 engineering workstation using Mod-busPal as a Modbus TCP simulator, Python for file monitoring and GUI devel-opment, and YARA CLI/Python bindings for rule execution. Custom YARA rules are crafted to detect unauthorized Modbus function code 5 (Write Single Coil) operations targeting critical coil addresses, modelling malicious logic injections such as covert actuator activations. In a controlled lab environment, using a va-riety of ModbusPal project files, a combination of benign (no infiltration) and tampered project files, as well as our detection framework, achieved less than 200 milliseconds of latency for detecting true positives (and 0 false positives and 0 false negatives) for the defined ruleset and under a negligible resource over-head. These findings indicate that static logic validation at the host-level would fulfil an effective integrity pre-deployment check for PLC logic in addition to current network-based and behaviour-based ICS security mechanisms, without requiring modification of the installed PLC hardware and network protocol.

Keywords:

SCADA Security,Industrial Control Systems (ICS),YARA,Logic,Modbus,TCP,Host-Based Intrusion Detection,Static Analysis,OT Cybersecurity,

References:

I. Adepu, M., and A. Mathur. “SCADAhunt: Framework for Detecting Pro-cess Control Attacks.” International Journal of Critical Infrastructure Protection, vol. 19, 2017. https://www.sciencedirect.com/science/article/pii/S1874548217300279

II. Cheminod, M., L. Durante, and A. Valenzano. “Review of Security Issues in Industrial Networks.” IEEE Transactions on Industrial Informatics, vol. 9, no. 1, 2013, pp. 277–293. 10.1109/TII.2012.2198666

III. Chung, S. P., et al. “Host-Based Detection of ICS Configuration Tamper-ing.” Proceedings of the Annual Computer Security Applications Confer-ence (ACSAC), 2022. 10.1145/3564625.3564629

IV. Claroty Team82. “MITRE ATT&CK for ICS: Detecting Logic Manipula-tion TTPs.” Claroty Research, 2024. https://claroty.com/team82/research

V. Costin, A. “Towards a Framework for ICS Intrusion Detection.” Black Hat USA, 2020. https://www.blackhat.com/us-20/

VI. Dragos. “FrostyGoop: Modbus Malware Targeting Coils.” ICS Threat De-tection Bulletin, 2024. https://www.dragos.com/

VII. Dragos, Inc. “INCONTROLLER (PIPEDREAM): Highly Capable ICS Toolkit.” Threat Intelligence Report, Apr. 2022. https://www.dragos.com/resources/

VIII. Dressler, F., and P. Sommer. “Using Zeek for ICS Protocol Detection.” Proceedings of the 9th USENIX Workshop on Cyber Security Experimen-tation and Test (CSET), 2021. https://www.usenix.org/conference/cset21

IX. ENISA. “Threat Landscape for Industrial Control Systems.” ENISA Threat Report, 2025. https://www.enisa.europa.eu/publications

X. Forescout Research. The State of Modbus Security. Forescout Labs Tech-nical Brief, 2023. https://www.forescout.com/resources/

XI. Ike, H., et al. “SCAPHY: Behavior-Aware ICS Security Using Physical Traces.” Proceedings of the IEEE International Conference on Industrial Cyber-Physical Systems, 2022. https://ieeexplore.ieee.org/

XII. ICS-CERT. “Advisory (ICS-ALERT-14-281-01) — BlackEnergy Mal-ware.” U.S. Department of Homeland Security, 2014. https://www.cisa.gov/news-events/ics-alerts/ics-alert-14-281-01

XIII. ICS-CERT. “Havex Malware Targeting ICS/SCADA Systems.” Industrial Control Systems Cyber Emergency Response Team, 2013. https://www.cisa.gov/ics

XIV. Kravchik, M., and A. Shabtai. “Detecting Cyber Attacks in Industrial Control Systems Using Convolutional Neural Networks.” Proceedings of the ACM Workshop on Cyber-Physical Systems Security & Privacy, 2018. 10.1145/3264888.3264896

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XVI. Mandiant. “FrostyGoop ICS Malware Technical Analysis.” Mandiant Threat Intelligence, 2024. https://www.mandiant.com/resources

XVII. McLaughlin, S., et al. “The Cybersecurity Landscape in Industrial Con-trol Systems.” Proceedings of the IEEE, vol. 104, no. 5, 2016, pp. 1039–1057. 10.1109/JPROC.2015.2512235

XVIII. Modbus Organization. “Modbus Application Protocol Specification V1.1b3.” 2015. http://modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf

XIX. NIST. Guide to Industrial Control Systems (ICS) Security. SP 800-82 Re-vision 3, 2025. https://csrc.nist.gov/publications/detail/sp/800-82/rev-3/final

XX. Nguyen, N., T. Ogawa, and M. Saito. “Integrity Verification for PLC Log-ic Files Using Lightweight Hash Trees.” IEEE Transactions on Industrial Informatics, vol. 21, no. 2, 2025, pp. 1204–1213. https://ieeexplore.ieee.org/

XXI. Searle, J., et al. “LogicLocker: Ransomware for Programmable Logic Controllers.” Georgia Tech ICS Security Lab, 2017. https://arxiv.org/

XXII. TXOne Networks. “PIPEDREAM Local Exploit Analysis.” TXOne Threat Research, 2025. https://www.txone.com/blog/

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MPTCP PERFORMANCE ENHANCEMENT USING NETWORK PARAMETER OPTIMIZATION APPROACH

Authors:

Saurabh Bhutani, Nitin Jain

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00004

Abstract:

This study investigates the issues of energy usage in multipath wireless networks utilizing the Multipath Transport Control Protocol (MPTCP) under application-level timing knobs implemented in socket logic, which allows numerous TCP connections via different pathways. Due to route heterogeneity, MPTCP consumes more energy. Currently, many research works have provided several techniques to optimize energy efficiency; however, they focused on individual systems rather than total performance. This work proposed a stochastic multipath scheduling technique that considers the fluctuations in data transmission rate and path capacity. The scheduling mechanism is associated with the optimization problem to achieve the objectives of maximizing throughput, avoiding congestion, and improving stability. An algorithm is developed to solve multipath data transmission issues by utilizing the drift-based constraints. Simulations are performed to generate results for the comparison of three different optimized MPTCP schemes in the application layer with baseline and conventional protocols. The results are showing considerable improvements in throughput and end-to-end latency

Keywords:

Multipath Transmission,Optimization,Energy Efficiency,TCP,

References:

I. Abbas, Ahmed Saleem. “Technical Comparison between MPTCP and TCP in Heterogeneous Networks.” Int. J. Interact. Mob. Technology, Vol. 16, 2022, pp. 163–175. 10.3991/ijim.v16i19.35299.
II. Aljubayri, Mohammad., Tong Peng, and Mohamad Shikh-Bahaei, “Reduce delay of multipath TCP in IoT networks.” Wireless Networks, vol. 27.no. 6, 2021, pp. 4189-4198. 10.1007/s11276-021-02701-3
III. Aljubayri, Mohammed, Tong Peng, and Mohammad Shikh-Bahae. “Reduce delay of multipath TCP in IoT networks.” Wireless Networks, vol. 27, no. 6, 2022, pp. 4189-4198. 10.1007/s11276-021-02701-3.
IV. Arain, Zulfiqar Arain et al. “Stochastic Optimization of Multipath TCP for Energy Minimization and Network Stability over Heterogeneous Wireless Network.” KSII Transactions on Internet & Information Systems, vol. 15, no. 1, 2021, pp. 11-22. 10.3837/tiis.2021.01.012.
V. Arain, Zulfiqar Arain, et al. “Stochastic Optimization of Multipath TCP for Energy Minimization and Network Stability over Heterogeneous Wireless Network.” KSII Transactions on Internet & Information Systems, vol. 15, no. 1, 2021, pp. 195-215. 10.3837/tiis.2021.01.012.
VI. Bhering, F. et al. “Wireless multipath video transmission: when IoT video applications meet networking—a survey.” Multimedia Systems, vol. 28, no. 3, 2022, pp. 831-850. 10.1007/s00530-021-00885-4.
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VIII. Cui, HuanXi, et al. “Lyapunov Optimization Based Energy Efficient Congestion Control for MPTCP in HetNets,” Proc. of IEEE 18th International Conference on Communication Technology (ICCT), 2018, pp. 440-445, 10.1109/ICCT.2018.8600159.
IX. Cui Yong, et al. “FMTCP: A Fountain Code-based Multipath Transmission Control Protocol,” IEEE/ACM Transactions on Networking, vol. 23, no. 2, 2015, pp. 465-478. 10.1109/TNET.2014.2300140.
X. Dong, Pingping et al. “An Energy-Saving scheduling algorithm for Multipath TCP in wireless networks.” Electronics, vol. 11, no. 3, 2022, p. 490. 10.3390/electronics11030490
XI. Ji, Lejun, et al. “Research on Attack Signal Feature Extraction Method of Multipath TCP Transmission System Based on Wavelet Energy Entropy.” International Conference on Mobile Networks and Management, vol. 474, 2022, pp. 398-412. 10.1007/978-3-031-32443-7_29.
XII. Ji, Xiaolan., et al. “Adaptive QoS-aware multipath congestion control for live streaming.” Computer Networks, vol. 220, 2023, p. 109470. 10.1016/j.comnet.2022.109470.
XIII. Khan, Imran, et al. “Multipath TCP in smartphones equipped with millimeter wave radios.” In Proceedings of the 15th ACM Workshop on Wireless Network Testbeds, Experimental evaluation & Characterization, vol. 1, 2022, pp. 54-60. 10.1145/3477086.34808.
XIV. Lee, Jae Yong, et al. “Coupled CUBIC Congestion Control for MPTCP in Broadband Networks.” Comput. Syst. Sci. Eng., vol. 45, no. 1, 2023, pp. 99–115. 10.32604/csse.2023.030801.
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XVI. Lim, Yeon-sup. “Cost-Efficient Framework for Mobile Video Streaming using Multi-Path TCP.” KSII Transactions on Internet & Information Systems, vol. 16, no. 4, 2022, pp. 234-243. 10.3837/tiis.2022.04.009.
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XXI. Prakash, P. Suman, Dwaram Kavitha, and P. Chenna Reddy. “Energy and congestion-aware load balanced multi-path routing for wireless sensor networks in ambient environments.” Computer Communications, vol. 195, 2022, pp. 217-226. 10.1016/j.comcom.2022.08.012.
XXII. Qiao, Wenxuan., et al. “An AI-enhanced multipath TCP scheduler for open radio access networks.” IEEE Transactions on Green Communications and Networking, vol. 8, no. 3, 2024, pp. 910-923. 10.1109/TGCN.2024.3424202.
XXIII. Tran, Duong Dinh, et al. “Formal analysis of post-quantum hybrid key exchange ssh transport layer protocol.” IEEE Access, vol. 12, 2023, pp. 1672-1687. 10.1109/ACCESS.2023.3347914.
XXIV. Ullah, Y. et al. “A survey on AI-enabled mobility and handover management in future wireless networks: key technologies, use cases, and challenges.” Journal of King Saud University Computer and Information Sciences, vol. 37, no. 4, 2025, p. 47. 10.1007/s44443-025-00048-9.
XXV. Wang, Chengke., et al. “Experience: a three-year retrospective of large-scale multipath transport deployment for mobile applications.” Proceedings of the 29th Annual International Conference on Mobile Computing and Networking, 2023, pp. 1-15. 10.1145/3570361.35925.
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XXVII. Zhao Jia, Liu, et al. “Multipath congestion control: Measurement, analysis, and optimization from the energy perspective.” IEEE Transactions on Network Science and Engineering, vol. 10, no. 6, 2023, pp. 3295-3307 10.1109/TNSE.2023.3257034.

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CRYPTOGRAPHIC MODELS FOR ADAPTIVE THREAT DETECTION IN CLOUD-BASED INFRASTRUCTURES

Authors:

Hadi Hussein Madhi, Ali Dahir Alramadan

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00005

Abstract:

The exponential growth of cloud computing has brought both operational efficiency and complex cybersecurity challenges. Traditional intrusion detection systems (IDS) struggle to adapt to dynamic attack patterns and ensure data confidentiality. This research proposes a hybrid Artificial Intelligence–Cryptographic Framework that integrates deep learning and lightweight encryption to achieve adaptive threat detection while maintaining secure communication within cloud environments. Using the CICIDS 2023 and UNSW-NB15 datasets, the model combines a CNN–LSTM network for behavioral anomaly recognition with AES–ECC encryption for data integrity. Experimental results show a detection accuracy of 98.2 %, an F1-score of 97.9 %, and a 50 % reduction in false positives compared with traditional AI models, while maintaining an average encryption latency of 45 ms. Statistical validation using the Wilcoxon signed-rank test confirmed the significance of these improvements (p < 0.05). The study contributes theoretically by bridging information asymmetry, signaling, and fair-value principles into cybersecurity and practically by providing a scalable, efficient, and trust-aware solution for adaptive cloud protection.

Keywords:

Cloud Security,Artificial Intelligence,Cryptography,Hybrid Framework,Intrusion Detection,AES-ECC Encryption,Adaptive Threat Detection,Cybersecurity,Information Asymmetry,Deep Learning.,

References:

I. Ali, S. (2025). Security and privacy in multi-cloud and hybrid systems. Journal of Cloud Security, 12(3), 45–60.
II. Alazab, M., Alazab, M., & Zhang, J. (2023). AI-driven intrusion detection in cloud environments. Computers & Security, 127, 103056.
III. Alazab, M., Alhyari, S., Awajan, A., & Abdalla, A. (2023). Machine learning-based intrusion detection systems in cloud computing. Computers & Security, 125, 103028.

IV. Alshamrani, M., Bahashwan, A., & Alotaibi, B. (2020). Machine learning techniques for cybersecurity threat detection: A comprehensive review. IEEE Access, 8, 221990–222010.

V. Ahmad, N., & Javed, H. (2023). Hybrid AI–blockchain frameworks for reliable cloud security. Journal of Information Security Research, 12(4), 210–225.

VI. Current Study (2025) refers to the authors’ ongoing research and therefore is not externally published.
VII. Deegan, C. (2022). Fair Value Theory and Its Role in Enhancing Corporate Reporting Transparency. Accounting Perspectives, 18(1), 33–49.
VIII. Hassan, M., Noor, M., & Rahim, R. (2024). Integrating AES and LSTM models for adaptive cloud threat mitigation. Computers & Security, 132, 103355.

IX. Kaur, P., & Singh, S. (2021). Deep learning-based intrusion detection framework using CNN–LSTM model. Future Generation Computer Systems, 115, 225–238.

X. Kim, Y., Park, H., & Seo, J. (2024). Cognitive CNN–LSTM-based intrusion detection for virtualized cloud environments. Expert Systems with Applications, 242, 121816.

XI. Rahman, M., Chowdhury, S., & Alam, K. (2022). Blockchain and AI-enabled hybrid systems for secure cloud infrastructures. IEEE Transactions on Cloud Computing, 10(6), 3624–3637.
XII. Rahman, M., Chowdhury, F., & Zhang, T. (2022). Benchmarking hybrid AI models for adaptive threat detection. Cybersecurity (SpringerOpen), 5(3), 18–32.
XIII. Smith, J., & Jones, A. (2022). Modern cloud architecture and threats. International Journal of Cloud Computing, 9(1), 1–20.

XIV. Zhao, L., Chen, Y., & Li, H. (2022). Federated learning architectures for privacy-preserving cloud intrusion detection. Information Sciences, 603, 112–128.

XV. Zhou, W., Li, P., & Wang, X. (2024). Information asymmetry and trust in AI-driven security frameworks. Journal of Information Technology, 39(2), 211–228.

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A HYBRID XGBOOST-LSTM FRAMEWORK FOR SCALABLE ASSESSMENT OF TIME MANAGEMENT COMPETENCE IN HIGHER EDUCATION: SHAP-DRIVEN INSIGHTS FROM WEST BENGAL COHORT

Authors:

Arkaprava Bandyopadhyay, Debkanta Mishra, Md. Rakib Hosen, Bijoyalakshmi Mitra, Sourav Ghosh, Biswarup Mukherjee

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00006

Abstract:

Effective time management is vital for undergraduate students to succeed in demanding academic environments, yet scalable assessment tools remain limited. This study introduces a hybrid XGBoost-LSTM framework, integrated with a Python Flask-based web application, to evaluate time management competence among 313 undergraduate students at a college in West Bengal, India. A PCA validated 10-question quiz, derived from a 31-item survey, demonstrated high reliability with Cronbach’s Alpha equal to 0.87. The XGBoost model classified students into Poor, Average, or Good categories with an accuracy of 90% and an F1-score of 0.89, while a RandomForestRegressor achieved an RMSE of 0.21, improving 75.65% over the baseline. SHAP-based analysis identified delaying tasks and scheduling as key predictors. A significant gender difference was found (p=0.013), but no residence differences (p=0.43). A simulated LSTM model was implemented as proof-of-concept for future longitudinal analysis, with an RMSE of 0.21. The Flask application provides real-time categorization and feedback, offering a scalable tool for identifying students needing support. Future work includes longitudinal data collection and cloud-based deployment to enhance regional educational insights.

Keywords:

Time Management,XGBoost,LSTM,Explainable AI,Higher Education,SHAP,

References:

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II. Band, S. S., Yarahmadi, A., Hsu, C. C., Biyari, M., Sookhak, M., Ameri, R. & Liang, H. W. (2023). Application of explainable artificial intelligence in medical health: A systematic review of interpretability methods. Informatics in Medicine Unlocked, 40, Article 101286. 10.1016/j.imu.2023.101286

III. Halde, R. R. (2016). Application of machine learning algorithms for betterment in education system. In 2016 International Conference on Automatic Control and Dynamic Optimization Techniques (ICACDOT) (pp. 1110–1114). IEEE. 10.1109/ICACDOT.2016.7877759
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V. Orrù, G., Monaro, M., Conversano, C., Gemignani, A., & Sartori, G. (2020). Machine learning in psychometrics and psychological research. Frontiers in Psychology, 10, Article 2970. 10.3389/fpsyg.2019.02970

VI. Pendyala, V., & Kim, H. (2024). Assessing the reliability of machine learning models applied to the mental health domain using explainable AI. Electronics, 13(6), Article 1025. 10.3390/electronics13061025

VII. Praveenraj, D. D. W., Habelalmateen, M. I., Shrivastava, A., Kaur, A., Valarmathy, A. S., & Patnaik, C. P. (2024). Behavioral time management analysis: Clustering productivity patterns using K-means. In 2024 IEEE International Conference on Communication, Computing and Signal Processing (IICCCS) (pp. 1–6). IEEE. 10.1109/IICCCS61609.2024.10763887
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GRAPHENE OXIDE-MODIFIED SLAG CEMENT CONCRETE: EFFECTS ON MECHANICAL STRENGTH, RESISTANCE UNDER AGGRESSIVE ENVIRONMENTS AND MICROSTRUCTURE EVOLUTION

Authors:

Saruk Mallick, Prasanna Kumar Acharya

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00007

Abstract:

This study investigated the influence of graphene oxide (GO) on enhancing the mechanical characteristics and microstructure of concrete made of slag cement. Concrete samples were made with and without GO, added in varying dosages from 0.01% to 0.1% by weight of cement. The mechanical performance of these specimens was evaluated through compressive, tensile, and flexural strength tests. The durability was checked through acid and sulphate attack tests. To ensure uniform dispersion of GO within the matrix, polycarboxylate ether-based superplasticizer was employed at a measure of 0.25% by weight of cement. Scanning electron microscopy (SEM) was conducted to observe the microstructural development, while energy-dispersive X-ray spectroscopy (EDX) and X-ray Diffraction (XRD) were used to check the composition of the elements of the GO-modified matrix and its contribution to concrete health. The study found that GO addition is beneficial in enhancing compressive, tensile, and flexural strength up to 61, 109, and 39% at 28 days in comparison with conventional concrete. The acid and sulphate resistance of GO-modified concrete was found to be 46% and 30% better than that of control concrete. The effect of GO up to 0.05% on the properties of concrete is found in an increasing trend. SEM analysis confirmed improved dispersion of GO and enhanced interfacial bonding with cement particles. The EDX and XRD analyses validated the macro-level results. These findings highlight the potential of GO as an effective nanomaterial for improving the performance of slag cement-based composites.

Keywords:

Mechanical characteristics,Graphene oxide,Acid resistance,Sulphate resistance,Microstructure,

References:

I. Acharya, P. K., and S. K. Patro. “Acid Resistance, Sulphate Resistance and Strength Properties of Concrete Containing Ferrochrome Ash (FA) and Lime.” Construction and Building Materials, vol. 120, 2016, pp. 241–250, 10.1016/j.conbuildmat.2016.05.099.
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XI. Fu, K., et al. “Defunctionalization of Functionalized Carbon Nanotubes.” Nano Letters, vol. 1, no. 8, 2001, pp. 439–441.
XII. Gaitero, J. J., I. Campillo, and A. Guerrero. “Reduction of the Calcium Leaching Rate of Cement Paste by Addition of Silica Nanoparticles.” Cement and Concrete Research, vol. 38, no. 8–9, 2008, pp. 1112–1118.
XIII. Gholampour, A., et al. “From Graphene Oxide to Reduced Graphene Oxide: Impact on the Physiochemical and Mechanical Properties of Graphene-Cement Composites.” ACS Applied Materials & Interfaces, vol. 9, no. 49, 2017, pp. 43275–43286.
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IMPROVING INDOOR LOCALIZATION ACCURACY BY LINEAR INTERPOLATION OF WIFI RSS AND SMARTPHONE SENSOR DATA

Authors:

Hena Kausar, Suvendu Chattaraj, Abhishek Majumdar

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00008

Abstract:

Multilateration is a popular geometrical algorithm to determine the location of a mobile smartphone in an indoor environment. In this method, the distance of the smartphone from three or more WiFi access sites is calculated based on the strengths of radio signals. Intermittent measurements of radio signals due to the presence of obstacles in the indoor environment affect the overall localization accuracy. The present work addresses this problem and manages the intermittent measurements issue with an innovative Kalman filter-based approach. The linear interpolation method is applied to obtain uninterrupted coordinate information from WiFi RSS measurements. A Kalman filter is designed that uses these interpolated measurements along with its own sensor data to obtain an optimal localization estimate. Less than 2 meters of final position estimation accuracy is attained in Monte-Carlo simulations, which is better than other state-of-the-art techniques in this domain. Additionally, the performance of this intended approach has been found indistinguishable during frequent loss of measurements, in case of which the conventional trilateration approach could not succeed.

Keywords:

Linear Interpolation,Indoor navigation,Wi-Fi Access Points,Intermittent measurement,Kalman filter,

References:

I. Alfakih, Marwan, Mokhtar Keche, Hadjira Be-noudnine, and Abdelkrim Meche. “Improved Gaussian Mixture Modelling for Accurate Wi-Fi Based Indoor Localization Systems.” Physical Communication, vol. 43, 2020, p. 101218
II. Chen, Jian, Gang Ou, Ao Peng, Lingxiang Zheng, and Jianghong Shi. “An INS/WiFi Indoor Localization System Based on the Weighted Least Squares.” Sensors, vol. 18, no. 5, 2018. 10.3390/s18051458.
III. Golenbiewski, Jaren, and Girma Tewolde. “Wi-Fi Based Indoor Positioning and Navigation System (GPS/INS).” Proceedings of the IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS), 2020, pp. 1–7.
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V. Jan, Shau-Shiun, Shuo-Ju Yeh, and Ya-Wen Liu. “Received Signal Strength Database Interpolation by Kriging for a Wi-Fi Indoor Positioning System.” Sensors, vol. 15, no. 9, 2015, pp. 21377–21393. 10.3390/s150921377.
VI. Kausar, H., and S. Chattaraj. “On Some Issues in Kalman Filter Based Trilateration Algorithms for Indoor Localization Problem.” Proceedings of the IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES), vol. 1, 2022, pp. 431–435. 10.1109/SPICES52834.2022.9774037.
VII. Khokhar, Zulqarnain, and Murtaza A. Siddiqi. “Machine Learning Based Indoor Localization Using Wi-Fi and Smartphone.” Journal of Independent Studies and Research – Computing, vol. 18, no. 1, 2021.
VIII. Koweerawong, Chavalit, Komwut Wipusitwarakun, and Kamol Kaemarungsi. “Indoor Localization Improvement via Adaptive RSS Fingerprinting Database.” Proceedings of the International Conference on Information Networking (ICOIN), 2013, pp. 412–416. 10.1109/ICOIN.2013.6496414.
IX. Kuemper, Daniel, Thorben Iggena, Ralf Toenjes, and Elke Pulvermueller. “Valid.IOT: A Framework for Sensor Data Quality Analysis and Interpolation.” Proceedings of the 9th ACM Multimedia Systems Conference, 2018, pp. 294–303.
X. McCool, Danielle, Peter Lugtig, and Barry Schouten. “Maximum Interpolable Gap Length in Missing Smartphone-Based GPS Mobility Data.” Transportation, vol. 51, no. 1, 2024, pp. 297–327.
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XII. Poulose, Alwin, Odongo Steven Eyobu, and Dong Seog Han. “A Combined PDR and Wi-Fi Trilateration Algorithm for Indoor Localization.” Proceedings of the International Conference on Artificial Intelligence in Information and Communication (ICAIIC), 2019, pp. 072–077. 10.1109/ICAIIC.2019.8669059.
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XVII. Zhang, Xing, et al. “WiFi-Based Indoor Localization with Interval Random Analysis and Improved Particle Swarm Optimization.” IEEE Transactions on Mobile Computing, vol. 23, no. 10, 2024, pp. 9120–9134.

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ENERGY-EFFICIENT AND SAFE ROUTING WITH A COMBINATION OF PARTICLE SWARM OPTIMIZATION AND FUZZY SET

Authors:

Thanaa Hasan Yousif, Heyam A. Marzog

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00009

Abstract:

Wireless Sensor Networks (WSNs) are critical to modern IoT applications, yet their deployment is often constrained by limited energy, dynamic topologies, security vulnerabilities, and stringent Quality-of-Service (QoS) requirements. While existing approaches frequently address these challenges in isolation, this paper introduces a holistic routing framework that synergistically integrates an Improved Fuzzy Logic System (IFLS) with Particle Swarm Optimization (PSO) to balance multiple performance metrics in real time. Our hybrid model dynamically tunes routing parameters and fuzzy rules based on network state—including energy levels, congestion, node density, mobility, and security threats—thereby optimizing cluster-head selection, path stability, and trust-aware communication in UAV-assisted WSNs. Extensive simulations demonstrate that the proposed system achieves a 94.2% packet delivery ratio, reduces energy consumption by 48%, and extends network lifetime by 97% compared to contemporary fuzzy-based and trust-aware routing protocols. The work thus offers a scalable, adaptive, and energy-efficient routing solution suitable for large-scale, resource-constrained, and mobility-prone sensor networks. We also provide complete algorithmic specifications and reproducible simulation setups to facilitate validation and further research.

Keywords:

Wireless Sensor Networks (WSN),Fuzzy Logic,Particle Swarm Optimization (PSO),Energy Efficiency,QoS-Aware Routing,UAV Networks,Trust Management.,

References:

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IMPACT OF ANTIOXIDANT–NANOPARTICLE ADDITIVES ON COMBUSTION, PERFORMANCE, AND EMISSION CHARACTERISTICS OF A BIODIESEL-FUELED CRDI DIESEL ENGINE

Authors:

A. Anbarasu, S. Thirumavalavan, R. J. Golden Renjith Nimal, R. Sabarish, Cheng Xinwen

DOI NO:

https://doi.org/10.26782/jmcms.2026.02.00010

Abstract:

This study investigates the effect of antioxidant additives on the performance and emission characteristics of a Common Rail Direct Injection (CRDI) diesel engine fuelled with biodiesel blends. Biodiesel derived from Madhuca indica (Mahua) oil was blended with conventional diesel in different proportions (B10, B20, and B30). To enhance oxidative stability and control NOx emissions, two antioxidants, Butylated Hydroxytoluene (BHT) and Tert-Butylhydroquinone (TBHQ), were added at concentrations of 1000 ppm and 1000 ppm. Experiments were conducted on a single-cylinder, four-stroke, water-cooled CRDI engine at a constant speed of 1500 rpm under varying load conditions. The results showed that the addition of antioxidants improved brake thermal efficiency (BTE) and reduced brake-specific fuel consumption (BSFC) compared to untreated biodiesel blends. A notable reduction in NOx and smoke opacity was achieved with TBHQ, while CO and HC emissions exhibited a marginal increase. The optimal performance and emission trade-off was obtained with the B20 + TBHQ (1000 ppm) blend, demonstrating the potential of antioxidant-treated biodiesel as a sustainable and cleaner fuel for CRDI diesel engines.

Keywords:

Biodiesel blends; Energy Efficiency,CRDI diesel engine; Antioxidant additives; Butylated Hydroxytoluene (BHT); Tert-Butylhydroquinone (TBHQ); Performance characteristics; Emission reduction; Oxidative stability; NOx emissions; Brake thermal efficiency (BTE),

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