Collaborative filtering can be divided into two categories: Memory-based CF and Model-based CF. In Memory-based CF, recommended items are those that were preferred by the users who share the similar preferences as the target user (User-based CF), or those that are similar to the other items preferred by the target user (Item-based CF).
-Which foods were preferred by royalty and the upper class?
African savannas were preferred by a large margin.
A cheaper alternative to lace, French or Irish crochets were preferred by connoisseurs of the material.
That music is far more underground compared to Taylor Swift, Coldplay and Tinie Tempah - the artists that were preferred by the smokers' more strait-laced counterparts.
Browne applied for the post, and the drawings that he submitted were preferred by Dickens to those of a rival applicant W.M. Thackeray.
The stranger, in turn, acquired a noble surname.As family names such as Lee and Kim were among those used by royalty in ancient Korea, they were preferred by provincial elites and, later, commoners when plumping for a last name.
It proved a match too far for the American pair, who were preferred by captain Tom Watson over Phil Mickelson and Keegan Bradley, who did not appear in the morning fourballs.
Grass hays, such as timothy, prairie grass, orchard grass, and bluegrass, were preferred by early horsemen, especially for race horses, because they were usually free from mold and dust and tended to slow down the rate of passage through the intestinal tract.
These compounds were preferred by considering their retention time and medicinal assets.
Reformulated products without nutritional warnings were preferred by participants compared to regular products with nutritional warnings.
