TL;DR: Survival analysis provides a framework to reason about time-to-event data; at Spotify, for example, we use it to understand and predict the way users might engage with Spotify in the future. In this work, we bring temporal-difference learning, a central idea in reinforcement learning, to survival analysis. We develop a new algorithm that trains a survival model from sequential data by leveraging a temporal consistency condition, and show that it outperforms direct regression on observed outcomes......
Author Archives for Spotify Engineering
Cutting-edge research in Machine Learning, Language Technologies, User Modeling, Audio Intelligence, Search and Recommender Systems are some of the key areas we feel incredibly enthusiastic about at Spotify...
Can we correctly attribute changes among many possible causes when unobserved confounders are present?November 24, 2022 11:06 am Comments Off on Can we correctly attribute changes among many possible causes when unobserved confounders are present?
Dynamic topic modeling is a well established tool for capturing the temporal dynamics of the topics of a corpus....
A large number of new podcasts are launched every month on Spotify and other online media platforms. In this work,... View Article
Here at Spotify, we are highly dedicated to cutting-edge research in various areas in Machine Learning, User Modeling, Personalization, and... View Article
“Variety is the spice of life”, as the saying attributed to poet William Cowper goes. People crave heterogeneity and avoid... View Article
Song lyrics make an important contribution to the musical experience, providing us with rich stories and messages that artists want... View Article
7.30am I usually get up at around 7.30am and start my day with a quick breakfast. I like to set to... View Article
Podcasting as a medium is growing exponentially, with hundreds of thousands of shows available in genres from comedy to news... View Article
Recommendation engines support most modern digital platforms, allowing users to navigate vast databases of products in Amazon, homes in AirBnB,... View Article
TastePaths: Enabling deeper exploration and understanding of personal preferences in recommender systemsMarch 18, 2022 9:30 am Comments Off on TastePaths: Enabling deeper exploration and understanding of personal preferences in recommender systems
Existing recommender systems are limited in the ability to help us grow and understand our personal music preferences Recommender systems... View Article
Music recommendation systems at Spotify are built on models of users and items. They often rely on past user interactions... View Article
One question we spend a lot of time thinking about at Spotify is how to help creators build larger audiences,... View Article
6.15am I tend to wake up early because I like to get a headstart on the day. I jump straight in... View Article
Personalization services at Spotify rely on learning meaningful representations of tracks and users to surface apt recommendations to users in... View Article
Wikipedia is the largest online encyclopedia, and English Wikipedia is one of the most visited websites worldwide. With its number... View Article
Quality user feedback is important for making good music recommendations. Recommending the right music to a user at the right... View Article
The 15th International ACM Conference on Recommender Systems (RecSys 2021) starts this week, and Spotify is excited to be a... View Article
Tl;dr: Music and podcast search are different, and a carefully designed multi-task model will be essential for search in modern... View Article
What makes a particular podcast broadly engaging? As a media form, podcasting is new enough that such questions are only... View Article
10 am I’m a night person, so it takes me a while to crawl out of bed in the mornings. The... View Article
An increasingly larger proportion of users rely on recommendation systems to pro-actively serve them recommendations based on diverse user needs... View Article
The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021) starts this week, and Spotify... View Article