Research Article

Ensemble Machine Learning Model for Classification of Spam Product Reviews

Table 3

Ten best features chosen by Chi-square for Yelp Dataset.

S. noFeaturesDescription

1app_scoreApplication review scores
2rev_body_lenReviews body length
3rev_pos_ascendReviews part of speech in ascending order
4rev_pos_descendReviews part of speech in descending order
5avg_cosine_similarity_textAverage cosine similarity for review text
6rev_ratingReviews rating
7stdev_revApp_ratingStandard deviation of reviews application and review rating
8num_unique_words_textNumbers of unique words in review text
9stdev_revrating_avgrevratingappStandard deviation for review rating and average review rating of mobile application
10brand_names_in_textBrand names in reviews text