I can't even get prepare data,like music :

• song_person.dict: key: song id,value: a list of all the related song person id
• person_song.dict: reverse of the song_person.dict
• song_type.dict: key: song id,value: and a list of all the related song type id
• type_song.dict: key: reverse of the song_type.dict

above is just a little.I want to Repete your experiment,so can you help to get all the data.I have read your 'readMe.pdf'.But I can't get data from the url you suggest.
My email [email protected],if you can help me,I should fell grateful.Thank you!