Questions about dataset LastFM

[xiangwang1223]

Questions about dataset LastFM

[xiangwang1223]

Hi,
Thanks for your interests. Sorry for the late reply after a busy week.

1. Please visit the LFM-1b to obtain the original version of Last-FM dataset, which has around 120,000 users. For more details, please refer to the LFM-1b paper.

2. In the original dataset, the listening list includes the artist, album, and track, as well as a timestamp. As such, we can get a sorted personal history.

Thanks.

[649435349]

HI,
for the answer 2, does it mean that the item list of one user is sorted by the time? In another word, the latter one is listened by the user later than the former one? And the test set is later than the train set, right? Are other datasets processed in the same way?
Looking sincerely for ur reply!

[xiangwang1223]

Sorry for the late reply after a busy week. Yes, all datasets are processed chronologically.

[mzamjadi]

Hi Xiang,
Thanks for referring to LastFM data and the paper. Based on LastFM paper, the data ranges from January 2013 to August 2014. Your paper mentions that a subset of data from Jan 2015 to June 2015 was used. Could you please advise on this?