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    "description": "Last FM Dataset\n\n-------\nVersion\n-------\n\nVersion 1.0 (May 2011)\n\n-----------\nDescription\n-----------\n\n    This dataset contains social networking, tagging, and music artist listening information \n    from a set of 2K users from Last.fm online music system.\n    http:\/\/www.last.fm \n\n    The dataset is released in the framework of the 2nd International Workshop on \n    Information Heterogeneity and Fusion in Recommender Systems (HetRec 2011) \n    http:\/\/ir.ii.uam.es\/hetrec2011 \n    at the 5th ACM Conference on Recommender Systems (RecSys 2011)\n    http:\/\/recsys.acm.org\/2011 \n\n------- \nLicense\n-------\n\n   The users' names and other personal information in Last.fm are not provided in the dataset.\n\n   The data contained in hetrec2011-lastfm-2k.zip is made available for non-commercial use.\n   \n   Those interested in using the data in a commercial context should contact Last.fm staff:\n   http:\/\/www.lastfm.com\/about\/contact\n\n----------------\nAcknowledgements\n----------------\n\n   This work was supported by the Spanish Ministry of Science and Innovation (TIN2008-06566-C04-02), \n   and the Regional Government of Madrid (S2009TIC-1542).\n\n----------\nReferences\n----------\n\n   When using this dataset you should cite:\n      - Last.fm website, http:\/\/www.lastfm.com\n\n   You may also cite HetRec'11 workshop as follows:\n\n   @inproceedings{Cantador:RecSys2011,\n      author = {Cantador, Iv\\'{a}n and Brusilovsky, Peter and Kuflik, Tsvi},\n      title = {2nd Workshop on Information Heterogeneity and Fusion in Recommender Systems (HetRec 2011)},\n      booktitle = {Proceedings of the 5th ACM conference on Recommender systems},\n      series = {RecSys 2011},\n      year = {2011},\n      location = {Chicago, IL, USA},\n      publisher = {ACM},\n      address = {New York, NY, USA},\n      keywords = {information heterogeneity, information integration, recommender systems},\n   } ",
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