Operational Bottleneck Detection Using Root Cause Analytics and Predictive Forecasting in Distributed Volunteer Networks

Fali Dillys Honutse, Otugene Victor Bamigwojo and Lawrence Anebi Enyejo

International Journal of Scientific Research in Science and Technology, 2026, vol. 13, issue 3, 1120-1140

Abstract: Distributed volunteer networks are increasingly used in humanitarian response, public health outreach, emergency relief, faith-based assistance, nonprofit service delivery, environmental mobilization, civic technology, and community development programmes. Their operational value lies in flexibility, distributed presence, community legitimacy, and the ability to mobilize people rapidly across locations. However, these networks also suffer from hidden bottlenecks caused by uneven volunteer availability, task-flow congestion, delayed communication, escalation overload, resource scarcity, skill mismatch, and excessive dependence on a small number of highly active volunteers. This paper develops a technical framework for operational bottleneck detection using root cause analytics and predictive forecasting. The study conceptualizes a distributed volunteer network as a dynamic directed graph in which volunteers, coordinators, task units, and operational hubs function as nodes, while task transfers, communication dependencies, and workflow relationships operate as weighted edges. A mathematical bottleneck index is proposed using normalized delay, workload intensity, queue accumulation, communication latency, and resource insufficiency indicators. Root cause analytics is integrated through regression-based attribution, causal sensitivity scoring, and explainable machine learning. Predictive forecasting is incorporated through statistical and machine learning models, including autoregressive forecasting, logistic risk prediction, random forest, and gradient boosting. The proposed framework contributes to operational analytics by linking network theory, queueing logic, root cause explanation, and predictive decision support within one coherent model for volunteer-based distributed systems. The paper concludes that mathematically grounded bottleneck detection can improve early warning, volunteer redeployment, workload balancing, response planning, and accountability in complex volunteer networks.

Keywords: operational bottleneck detection; root cause analytics; predictive forecasting; distributed volunteer networks; volunteer coordination; queueing theory; machine learning; mathematical modelling (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:etm:ijsrst:v13:y2026:i3:id:1704

DOI: 10.32628/IJSRST26133250

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