Lessons from last.fm

Weight user tags by how much attention the user pays to the content, so if you listen to a song a lot, your tag is weighted more heavily. If you listen to Paris Hilton you have more of a say on what shows up on her tag cloud.

Attention data is a good filter for user generated content.

FOWA 07: Matthew Ogle & Anil Bawa Cavia - Lessons from the Building of the Worlds Largest Social Music Platform Last.fm. Strange Attractor: Picking out patterns in the chaos

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