Detect Professional Malicious User With Metric Learning in Recommender Systems
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DOI: 10.1109/tkde.2020.3040618
Abstract: In e-commerce, online retailers are usually suffering from professional malicious users (PMUs), who utilize negative reviews and low ratings to their consumed products on purpose to threaten the retailers for illegal profits. PMUs are difficult… read more here.
Keywords: malicious users; metric learning; professional malicious; detection ... See more keywords