What is Attention Data about? Stuff People pay attention to People do not pay attention to
spyware MYware X
“Why should they share that data with a company like Last.fm?” “Why should people be spying on themselves?“
What music are you listening to? Anytime All the time
What is it we do at Last.fm? Why are we doing it? Why are our users doing it?
All music available at once! We need to tell people what they should be listening to
Now you could GET all the music But you need to KNOW what you want
Last.fm’s mission: Harnessing the“knowledge of the crowd”
Last.fm’s Attention Data: Track “Felix has just listened to this specific song" People pay attention to(Listen) People do not pay attention to(Skip)
8m submissions every day Well over a billion in 2005 Where do we go from here?
Unknown song New catalogue entry Submissions
__INCOMPLETE___Britney SpearsBrittney SpearsBriteny SpearsBrintey Spearsブリトニー・スピアーズBrtiney SpearsBirtney SpearsBritiany Spearspop Britney SpearsBritney Spears My Shared Folderwww.fm880.com-Britney SpearsBritney Spears -ToxicBritney Spears - [EMG]Britney Spears - Rip by MaRiusSpears, BrittneyBritney Spears And MAdonnaBritney-SpearsB.SpearsBritnery SpearsBritney.SpearsBritney SpearsBritney Spearstrack Britney Spears (from "OOPS!...I DID IT AGAIN ")Britney Spears - ...Baby One MBritney fuckin' SpearsBritney Spears~201.britney spearsBritney SpeasBritney%20SpearsBritney Spears Britney Spears; Yin Yang TwinsBritney Spears; Ying Yang TwinsBritney Spears Feat Ying Yang Twins布兰妮01_britney_spears_-_everytime_Brtitney SpearsBritneySpears, BritneyBritneySpearsBritney_SpearsBritany SpearsBrittany SpearsBritny Spears There is a lot of noise
We currently consider 8 million tracks in our database to be clean The total size of the track catalogue is 25 million
What do we do with all this data? How do we data mine this "knowledge of the crowd"?
base layer for our recommendations engine User to userSimilarity Artist to ArtistSimilarity Collaborative filtering (Neighbours)
Top Tracks Top Artists
Weekly Tracks Weekly Artists
Personal music recommendations music you haven't listened to yet, based on what you listened to the previous week
Last.fm personalised radio: Love Skip Ban Listen = I like this music Skip = I don’t like this music Love = I love this music Ban = I hate this, never again please
128kbps MP3 Radio software Audioscrobbler plugins
Why should people be spying on themselves? The answer is quite simple…