Detecting Spam Reviews Using User Behaviours and Unusual Review Pattern

Online Social Media portals play an influential role in information propagation which is considered as an important source for producers in their advertising campaigns as well as for customers in selecting products and services. In online social media user can share their reviews about products and services. Nowadays most of the peoples make decision to purchase products based on user reviews, positive reviews are encouraging to select product or service and negative reviews are discouraging to select product or service. In online social media any user can leave their comments as a review, it is tempting spammers to post negative comments on the product or service, this fake reviews mislead user opinion. These negative reviews spread over internet and it will change the user perception of good/bad product or service. So here we use review based model to detect spam reviews and user based model to detect spammers.