Scalable Dynamic Topic Modeling
November 15, 2022 12:51 pm Comments Off on Scalable Dynamic Topic ModelingDynamic topic modeling is a well established tool for capturing the temporal dynamics of the topics of a corpus....
Author Archives for Spotify Engineering
Unsupervised Speaker Diarization using Sparse Optimization
September 29, 2022 11:08 am Comments Off on Unsupervised Speaker Diarization using Sparse OptimizationWhat is Speaker Diarization? Speaker diarization is the process of logging the timestamps of when various speakers take turns to talk...
Identifying Promising New Podcasts
September 22, 2022 9:05 am Comments Off on Identifying Promising New PodcastsA large number of new podcasts are launched every month on Spotify and other online media platforms. In this work,... View Article
Spotify’s Contributions to RecSys 2022
September 14, 2022 2:12 pm Comments Off on Spotify’s Contributions to RecSys 2022Here at Spotify, we are highly dedicated to cutting-edge research in various areas in Machine Learning, User Modeling, Personalization, and... View Article
The Dynamics of Exploration on Spotify
July 26, 2022 12:00 pm Comments Off on The Dynamics of Exploration on Spotify“Variety is the spice of life”, as the saying attributed to poet William Cowper goes. People crave heterogeneity and avoid... View Article
The Contribution of Lyrics and Acoustics to Collaborative Understanding of Mood
July 19, 2022 2:49 pm Comments Off on The Contribution of Lyrics and Acoustics to Collaborative Understanding of MoodSong lyrics make an important contribution to the musical experience, providing us with rich stories and messages that artists want... View Article
Lucas Maystre: Senior Research Scientist
May 5, 2022 11:24 am Comments Off on Lucas Maystre: Senior Research Scientist7.30am I usually get up at around 7.30am and start my day with a quick breakfast. I like to set to... View Article
Choice of Implicit Signal Matters: Accounting for User Aspirations in Podcast Recommendations
May 3, 2022 10:06 am Comments Off on Choice of Implicit Signal Matters: Accounting for User Aspirations in Podcast RecommendationsPodcasting as a medium is growing exponentially, with hundreds of thousands of shows available in genres from comedy to news... View Article
Mostra: Balancing multiple objectives for music recommendation
April 27, 2022 4:30 pm Comments Off on Mostra: Balancing multiple objectives for music recommendationRecommendation 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 systems
March 18, 2022 9:30 am Comments Off on TastePaths: Enabling deeper exploration and understanding of personal preferences in recommender systemsExisting recommender systems are limited in the ability to help us grow and understand our personal music preferences Recommender systems... View Article
Modeling Users According to Their Slow and Fast-Moving Interests
February 21, 2022 4:10 pm Comments Off on Modeling Users According to Their Slow and Fast-Moving InterestsMusic recommendation systems at Spotify are built on models of users and items. They often rely on past user interactions... View Article
Researching how less-streamed podcasts can reach their potential
January 25, 2022 11:11 am Comments Off on Researching how less-streamed podcasts can reach their potentialOne question we spend a lot of time thinking about at Spotify is how to help creators build larger audiences,... View Article
Amar Ashar: Senior Researcher
January 20, 2022 8:44 pm Comments Off on Amar Ashar: Senior Researcher6.15am I tend to wake up early because I like to get a headstart on the day. I jump straight in... View Article
Multi-Task Learning of Graph-based Inductive Representations of Music Content
October 29, 2021 5:28 pm Comments Off on Multi-Task Learning of Graph-based Inductive Representations of Music ContentPersonalization services at Spotify rely on learning meaningful representations of tracks and users to surface apt recommendations to users in... View Article
Representation of music creators on Wikipedia
October 28, 2021 1:03 pm Comments Off on Representation of music creators on WikipediaWikipedia is the largest online encyclopedia, and English Wikipedia is one of the most visited websites worldwide. With its number... View Article
Let Me Ask You This: How Can a Voice Assistant Elicit Explicit User Feedback?
October 21, 2021 1:57 pm Comments Off on Let Me Ask You This: How Can a Voice Assistant Elicit Explicit User Feedback?Quality user feedback is important for making good music recommendations. Recommending the right music to a user at the right... View Article
Spotify’s Contributions to RecSys 2021
September 30, 2021 2:01 pm Comments Off on Spotify’s Contributions to RecSys 2021The 15th International ACM Conference on Recommender Systems (RecSys 2021) starts this week, and Spotify is excited to be a... View Article
Neural Instant Search for Music and Podcasts
August 30, 2021 3:21 pm Comments Off on Neural Instant Search for Music and PodcastsTl;dr: Music and podcast search are different, and a carefully designed multi-task model will be essential for search in modern... View Article
Podcast Language and Engagement
August 3, 2021 10:59 am Comments Off on Podcast Language and EngagementWhat makes a particular podcast broadly engaging? As a media form, podcasting is new enough that such questions are only... View Article
Rachel Bittner: Senior Research Scientist
August 2, 2021 8:02 am Comments Off on Rachel Bittner: Senior Research Scientist10 am I’m a night person, so it takes me a while to crawl out of bed in the mornings. The... View Article
User Intents and Satisfaction with Slate Recommendations
July 27, 2021 5:01 pm Comments Off on User Intents and Satisfaction with Slate RecommendationsAn increasingly larger proportion of users rely on recommendation systems to pro-actively serve them recommendations based on diverse user needs... View Article
Spotify’s Contributions to SIGIR 2021
July 13, 2021 9:54 am Comments Off on Spotify’s Contributions to SIGIR 2021The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021) starts this week, and Spotify... View Article
Ben Carterette: Senior Research Manager
July 12, 2021 4:26 pm Comments Off on Ben Carterette: Senior Research Manager5.45 am I’m up early these days – my 10-month-old baby sees to that! So my first job is to give... View Article
Model Selection for Production System via Automated Online Experiments
July 9, 2021 3:32 pm Comments Off on Model Selection for Production System via Automated Online ExperimentsMachine learning practitioners regularly have to select the best model to deploy in production. At Spotify, for instance, we might... View Article