[apstls]

I wonder if the item vectors capture semantics and behave in a way analogous to word vectors. So, for example, would a PS4 - a PS4 controller = an XBox - an XBox controller, the same way France - Paris = Greece - Athens? Something along these lines could maybe be used as a way to find relevant addons/upsells to show on the checkout page.

[brg]

They do. In my current research I've been working on metric embeddings to solve the question analogies of the flavor "Favorite Sushi Restaurant:Current City::???:Foreign City". It takes some work to remove the geographic signal that is overwhelmingly present in fan and checkin data.

[supersonic13]

I attended a talk by one of the item2vec authors in ICML. He showed few examples of semantic relations, for example david guetta - beyonce = avicii - rihanna They also gave a link to a really cool 2D TSNE of item2vec on artists data. Too bad they did not include it in their paper. I guess similar types of semantic relations exist in item2vec representation for products but such relations do not appear in the paper.