Per-Starke / NutritionRecSys

The repo for the software for my bachelor-thesis about a recommender system for use by nutrition coaches, recommending recipes with fitting macronutrients and suitable for the taste of the customer
Other
2 stars 0 forks source link

Get Ratings / Solve Cold-Start-Problem #127

Closed Per-Starke closed 1 year ago

Per-Starke commented 1 year ago

There are about 1000 recipes in the database, and I need ratings for them, in order to make predictions / recommendations. A smaller database would not work well, I tried that.

As recipes can only be recommended when they already have a rating, every recipe should have at least 1 rating from the start on, more than one would obviously be better, to get better-matching recommendations from the beginning on.

There are no online-ratings for the recipes, so I can't use the API that I used to get the recipe-database to get ratings, and no other api as well.

Giving every item a base-rating of e.g. 3 or 5 stars is not a good idea, right?

My idea(s) would be that I add another part to the software that is just used to get ratings, where I show a recipe and ask for a rating, maybe people would not really need to cook the recipe, but just read it carefully and rate it after reading it and looking at pictures. Then, I could