Table 3.

Notations.

SymbolDescription
Dtrain The training set 
Dtest The test set 
N, M The # of users in training set and test set 
Ui = (Ui1, Ui2, …, Uid) The d dimensions of user Ui 
Li = (Li1, Li2, …, Lir) The r labels that Ui has 
LS = {ls1, ls2, …, lsk} The label space that contains k labels 
SymbolDescription
Dtrain The training set 
Dtest The test set 
N, M The # of users in training set and test set 
Ui = (Ui1, Ui2, …, Uid) The d dimensions of user Ui 
Li = (Li1, Li2, …, Lir) The r labels that Ui has 
LS = {ls1, ls2, …, lsk} The label space that contains k labels 
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