2.1.These product ratings serve as a fundamental input for generating recommendations and are integral to recommendation systems.The Wasabi Personal Shopper (WPS) is an example of a domain-independent tool designed for browsing electronic product catalogsWhile offering a general tool for browsing product catalogs, WPS is noted for providing basic product recommendations (Burke, 1999)While offering a general tool for browsing product catalogs, WPS is noted for providing basic product recommendations (Burke, 1999) Despite its simplicity, this tool is among the diverse recommender systems explored in the research literature.In this domain,product popularity is commonly determined by user ratings, often represented through stars or similar visual methods.