Fake Review Identification Methods Based on Multidimensional Feature Engineering

Table 1

The relationship of feature and review category.

Classification	Feature item	Description
Non-opinion reviews		The length of reviews
		The relativity of review content and products
		The repetition ratio of words
		Whether the reviews include the opinion sentences
Untruthful reviews		The length of reviews
		Similarity of the review content
		Customers posting the maximum number of reviews in a day