Last.fm

This dataset uses data from the last.fm social network which includes information about users, tracks and tags and their inter-relationship, namely bonds of friendship among users and collaborative annotation of tracks.

It contains 3148 users, 30520 tracks, 12565 tags and 5616 unique bonds of friendship among the users collected.

The first part was to collect users of the social network that have intense activity in their profile and thus were prone to participate more in the tasks of collaborative annotation and establishing friendships.

The second part was populated respecting to the users collected in the previous part.

The derived matrices include The User-Track (UTr), User-Tag (UTg) and Track-Tag (TrTg) matrices.