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Abdulaziz Alarifi

Researcher at King Saud University

Publications -  32
Citations -  538

Abdulaziz Alarifi is an academic researcher from King Saud University. The author has contributed to research in topics: Cloud computing & Scheduling (computing). The author has an hindex of 8, co-authored 30 publications receiving 212 citations.

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A big data approach to sentiment analysis using greedy feature selection with cat swarm optimization-based long short-term memory neural networks

TL;DR: This work introduces a novel big data and machine learning technique for evaluating sentiment analysis processes to improve system efficiency, and results obtained are compared; CSO-LSTMNN outperforms PSO in terms of increasing accuracy and decreasing error rate.
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A Novel Hybrid Cryptosystem for Secure Streaming of High Efficiency H.265 Compressed Videos in IoT Multimedia Applications

TL;DR: A novel hybrid cryptosystem combining DNA (Deoxyribonucleic Acid) sequences, Arnold chaotic map, and Mandelbrot sets is suggested for secure streaming of compressed HEVC streams, which reveals astonishing robustness and security accomplishment in contrast to the literature cryptosSystems.
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Optimizing the network energy of cloud assisted internet of things by using the adaptive neural learning approach in wireless sensor networks

TL;DR: This research attempts to propose a reinforcement-based learning technique, adaptive Q-learning (AQL) to improve network performance with minimum energy–overhead tradeoff in a sensor network-aided CIoT and illustrates the effectiveness of the proposed learning technique by improving network lifetime with a high request–response rate and by minimizing delay, overhead, and request failures.
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Killer heuristic optimized convolution neural network-based fall detection with wearable IoT sensor devices

TL;DR: An effective and optimized fall detection system that uses an approach based on a killer heuristics optimized AlexNet convolution neural network to recognize a fall with maximum accuracy and minimum complexity is introduced.
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Optical PTFT Asymmetric Cryptosystem-Based Secure and Efficient Cancelable Biometric Recognition System

TL;DR: In this article, a cancelable biometric recognition system (CBRS) based on the suggested optical PTFT (Phase Truncated Fourier Transform) asymmetric encryption algorithm is introduced.