Jacob (clothing retailer) to Jacob Connexion. Jacob Connexion's target demographic is 25- to 35-year-old women. The Jacob Lingerie boutique features items like bras, panties, lingerie, sleepwear and loungewear. Bra selection is sized 32A-B-C, 34A-B-C-D, 36A-B-C-D, 38A-B-C; panties XS-S-M-L; most other items sized XS-L. Josef stores opened in 2005 (5 initial stores). The product line is targeting 35+ years old women. Jacob Jr. was the branch for preschoolers to pre-teens. They featured a conservative line of clothing for girls ages five to 14. The line included sweaters, lingerie, jackets, jeans, sports attire, tees, camisoles and other accessories. They also carried a line of undergarments
Item-item collaborative filtering is analogous to "people who rate item X highly, like you, also tend to rate item Y highly, and you haven't rated item Y yet, so you should try it". Item-item collaborative filtering had less error than user-user collaborative filtering. In addition, its less-dynamic model was computed less often and stored in a smaller matrix, so item-item system performance was better than user-user systems. Slope One is a family of item-item collaborative filtering algorithms designed to reduce model overfitting problems. Item-item collaborative filtering Item-item collaborative filtering, or item-based, or item-to-item, is a form of collaborative filtering for recommender systems based