A Deceptive Review Detection Framework: Combination of Coarse and Fine-grained Features
Expert Systems with Applications(2020)
摘要
•Propose a novel framework that combines both coarse and fine-grained features.•Extract the topic-based semantic features as the coarse-grained features.•Extract the implicit word vectors features as the fine-grained features.•Appropriate to be applied in real-life mixed unbalanced e-commerce environments.
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关键词
Deceptive reviews detection,LDA topic model,Deep learning,Coarse-grained features,Fine-grained features
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