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Table 3. 
Number of classified items of different types after the second (iterative) reclassification
Subject category classificationBroad area classification
All typesArticles + conference proceedingsAll typesArticles + conference proceedings
Classifier items 36,104,403  38,504,614  
Classified items 44,349,678 (81%) 38,450,585 (85%) 44,936,331 (80%) 38,918,386 (84%) 
 multidisciplinary 4,317,080 (77%) 2,931,707 (63%)   
  multidisciplinary   science 1,011,770 (77%) 804,203 (75%) 968,783 (74%) 822,849 (77%) 
Subject category classificationBroad area classification
All typesArticles + conference proceedingsAll typesArticles + conference proceedings
Classifier items 36,104,403  38,504,614  
Classified items 44,349,678 (81%) 38,450,585 (85%) 44,936,331 (80%) 38,918,386 (84%) 
 multidisciplinary 4,317,080 (77%) 2,931,707 (63%)   
  multidisciplinary   science 1,011,770 (77%) 804,203 (75%) 968,783 (74%) 822,849 (77%) 
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