Artificial intelligence increasingly supports personalised customer experiences through predictive analytics, recommender systems, behavioural profiling and conversational interfaces. However, the data collection and inference required for personalisation can also heighten percep...
Open access
Research Article10.9734/jerr/2026/v28i102024
This study investigated multiscale (1-, 3-, 6-, and 12-month) meteorological drought dynamics in Owerri, southeastern Nigeria, using the Standardized Precipitation Evapotranspiration Index (SPEI) derived from FAO-56 Penman-Monteith reference evapotranspiration (PET). Monthly hydr...
Open access
Research Article10.9734/jerr/2026/v28i102025
Enterprises assemble AI systems from externally sourced models, datasets, libraries, agents and serving components whose origin and integrity they cannot directly observe. This study asks how provenance assurance, third-party dependency exposure and supply-chain governance relate...
Open access
Research Article10.9734/jerr/2026/v28i102023
Background: Simulink is widely used in control engineering education for modelling and analysing dynamic systems. However, manual assessment of Simulink assignments can be time-consuming and inconsistent, particularly when submitted models contain complex differences in blocks, p...
Open access
Research Article10.9734/jerr/2026/v28i102022
Concrete-filled steel tube (CFST) truss arch bridges, by virtue of their large spanning capacity, low self-weight, high load-carrying efficiency and strong construction adaptability, have become one of the dominant bridge types for major crossings such as deep valleys and wide ri...
Open access
Research Article10.9734/jerr/2026/v28i102021
Hybrid fibre reinforcement is increasingly used to improve the mechanical performance and failure behaviour of concrete by combining the complementary characteristics of different fibre types. However, the effects of different hybrid fibre combinations on compressive behaviour an...
Open access
Research Article10.9734/jerr/2026/v28i102020
Background: Electric motors are widely used in industrial and electromechanical systems, making reliable condition monitoring important for detecting mechanical abnormalities before performance deterioration occurs. However, individual fault conditions may produce different respo...
Open access
Research Article10.9734/jerr/2026/v28i102019
Carbon-fibre-reinforced carbon–silicon carbide (C/C–SiC) and carbon-fibre-reinforced silicon carbide (C/SiC) composites occupy a distinctive position among materials for extreme environments because they combine low density, damage tolerance and thermal-shock resistance with a ma...
Open access
Research Article10.9734/jerr/2026/v28i102015
Aims: This study developed construction tiles from recycled polyethylene (PE) waste and sand and evaluated the effects of PE proportion and heating and mixing method on tile properties. Study Design: A quantitative, laboratory-based experimental design was used. Place and Duratio...
Open access
Research Article10.9734/jerr/2026/v28i102016
The joint quality of prefabricated buildings directly determines structural performance. To realise the automatic positioning of concrete pouring equipment for small-size joints in prefabricated buildings, this paper develops an intelligent positioning system integrating YOLOv5 o...
Open access
Research Article10.9734/jerr/2026/v28i102017
This study addresses the engineering challenges of high water content, low bearing capacity, poor equipment accessibility and unsatisfactory reinforcement performance in soft foundations following large-scale dike breaches. A forced-drop-hammer hydraulic compactor is designed for...
Open access
Research Article10.9734/jerr/2026/v28i102018
Voltage instability remains a critical operational concern in the Nigerian 330 kV transmission network, particularly under disturbances and increasing loading. This study evaluated voltage-stability improvement in selected substations within the south-western region using a unifi...
Open access
Research Article10.9734/jerr/2026/v28i102014
Background and Aims: Nigeria’s substantial dependence on crude petroleum for export earnings and public revenue makes its economy particularly exposed to movements in global oil prices. This study examined whether Brent crude oil price is significantly associated with Nigeria’s g...
Open access
Research Article10.9734/jerr/2026/v28i102013
Mechanically fastened joints remain essential in aerospace structures because they provide reliable, inspectable, and certification-mature load paths. Accurate prediction of fastener load transfer and local stress distribution is fundamental to structural sizing, fatigue and dama...
Open access
Research Article10.9734/jerr/2026/v28i92011
Construction defects in stone masonry buildings pose significant challenges to structural safety, durability, and economic sustainability in Nepal's high-altitude regions. This study employs Principal Component Analysis (PCA) to evaluate current and recommended management strateg...
Open access
Research Article10.9734/jerr/2026/v28i92012