Erik Bernhardsson    About

Recurrent Neural Networks for Collaborative Filtering

I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design ...

Where do locals go in NYC?

One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious about the larger patterns around this, so I spent some time looking at data. The thing I wanted to understand is: what areas are dominated ...

The power of ensembles

From my presentation at MLConf, one of the points I think is worth stressing again is how extremely well combining different algorithms works. In this case, we’re training machine learning algorithms on different data sets (playlists,...

MLConf 2014

Just spent a day at MLConf where I was talking about how we do music recommendations. There was a whole range of great speakers (actually almost 2/3 women which was pretty cool in itself). Here are my slides: Justin Basilico from Netfl...

Music recommendations using cover images (part 1)

Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in fact a fairly strong visual proxy for what kind of content you can expect from it. I started wondering if the album cover can in fact be ...