Researchers used ML to detect Professional Malicious User (PMU) reviews

    30

    Researchers from China and the US developed an ML model that is able to detect PMUs (professional malicious users) that publish fake negative reviews.A new research collaboration between China and the US offers a way of detecting malicious ecommerce reviews designed to undermine competitors or facilitate blackmail by leveraging the signature behavior of such reviewers. Machine learning algorithm has managed to detect PMUs The paper describes how a system called the malicious user