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Author

Rizky Ajie Aprilianto

3 papers indexed here

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Open access Sep 2026

A Numerical Evaluation Performance of Bio-inspired Metaheuristic MPPT Algorithms for Low-power PV Systems

Photovoltaic (PV) systems require efficient maximum power point tracking (MPPT) to ensure optimal energy utilization. Conventional methods such as Perturb and Observe (P&O) and Incremental Conductance (InC) still exhibit oscillations, slow response, and a tendency to get trapped at local maxima under changing irradiati...

R. Aprilianto, Faiq Mananul, Tiang Jun-Jiat et al. · 0 citations
Conference Aug 2026

Modeling Investor Sentiment Dynamics in the Indonesian Capital Market Using IndoBERT-Based Natural Language Processing

Social media plays a role in shaping market perceptions. It is important to understand how investor sentiment evolves over time, particularly in emerging capital markets where retail participation grows rapidly. This work presents a framework for modeling investor sentiment dynamics in the Indonesian capital market usi...

Nur Anita, Muhammad Khafid, Ayu Martaning Yogi Ardina et al. · 0 citations
Conference Aug 2026

A Multi-Task Local-Global U-Net for Simultaneous Segmentation and Classification of Breast Lesions in Ultrasound Images

Breast cancer remains the most frequently diagnosed cancer among women worldwide and a leading cause of cancer-related death, with an estimated 2.3 million new cases and more than 670, 000 deaths worldwide in 2022. Breast ultrasonography is widely used as an adjunct diagnostic modality because it is non-ionizing, relat...

Agus Suryanto, I. G. B. Jayendra, R. Aprilianto · 0 citations

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