> it's in the keywords This assumes that the source and target listings definitely have accurate keywords. There would be plenty of value in a model that can

> it's in the keywords This assumes that the source and target listings definitely have accurate keywords. There would be plenty of value in a model that can use either keywords OR images to effectively make recs. > Considering the data gathering, it seems easier to do user-product collaborative filtering. What user data are you talking about here? The customer doesn't necessarily have user data. I personally think this approach makes a lot of sense. If it works, a one-size-fits all recommender would be really useful and easy to sell.