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Table 1.

Statistics of the linkage results.

Data setsNumbersMovieLens 20MLFM-1bAmazon book
RS data sets #Users 138,493 120,317 3,468,412 
  #Items 27,279 6,479,700 2,330,066 
  #Interactions 20,000,263 1,021,931,544 22,507,155 
Freebase #Linked-Items 25,982 1,254,923 109,671 
  Linkage ratio 95.2% 19.4% 4.7% 
YAGO #Linked-Items 21,688 49,608 17,607 
  Linkage ratio 79.5% 0.8% 0.8% 
Overlap #overlap 21,221 26,126 7,398 
Data setsNumbersMovieLens 20MLFM-1bAmazon book
RS data sets #Users 138,493 120,317 3,468,412 
  #Items 27,279 6,479,700 2,330,066 
  #Interactions 20,000,263 1,021,931,544 22,507,155 
Freebase #Linked-Items 25,982 1,254,923 109,671 
  Linkage ratio 95.2% 19.4% 4.7% 
YAGO #Linked-Items 21,688 49,608 17,607 
  Linkage ratio 79.5% 0.8% 0.8% 
Overlap #overlap 21,221 26,126 7,398 

Note: The three domains correspond to the RS data sets of MovieLens 20M, LFM-1b and Amazon book, respectively.

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