This paper proposes XEAD-AgriSec, an eXplainable Edge Anomaly Detection framework that protects the physical sensor layer of agricultural IoT systems through a fog-computing-centric architecture and integrates SHapley Additive exPlanations and Local Interpretable Model-agnostic Explanations to produce agricultural-doma...
Yassine Boukhali, S. Drǎguşin, N. Bizon et al.· IEEE Access· 0 citations
This paper proposes an integrated framework for investment portfolio optimization that combines gradient boosting prediction models (LightGBM), volatility forecasting via the Heterogeneous Autoregressive Realized Volatility model (HAR-RV), market regime detection via Hidden Markov Models (HMM), and reinforcement learni...
Ionel Bostan, S. Drǎguşin, N. Bizon· European Conference on Artif...· 0 citations
In recent years, acoustic signal analysis has emerged as a promising approach for fault detection in electromechanical systems, providing a non-invasive, low-cost, and real-time alternative to traditional monitoring techniques. This paper presents the design and implementation of a low-cost embedded system for acoustic...
Andreea-Daniela Savu, N. Bizon, S. Drǎguşin· European Conference on Artif...· 0 citations
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