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Table 2 
Summary of transfer operations defined in the compared models, where we assume the direction of transfer is from 1 to 2.
ModelDocument levelWord levelParameters of h
LDA α β(2) — 
 
doclink δN(1)+α β(2) δ: indicator vector; 
 
 δN(1)+α N(1): doc-by-topic matrix; 
 
c-bilda δNk(1)+χ(d) β(2) supervision: comparable documents; 
   δ: transfer distribution; 
 
softlink δN(1)+α β(2) N(1): doc-by-topic matrix; 
   supervision: dictionary; 
   δ: indicator vector; 
 
voclink α δN(1)+β(r,2) N(1): node-by-word matrix; 
   supervision: dictionary; 
ModelDocument levelWord levelParameters of h
LDA α β(2) — 
 
doclink δN(1)+α β(2) δ: indicator vector; 
 
 δN(1)+α N(1): doc-by-topic matrix; 
 
c-bilda δNk(1)+χ(d) β(2) supervision: comparable documents; 
   δ: transfer distribution; 
 
softlink δN(1)+α β(2) N(1): doc-by-topic matrix; 
   supervision: dictionary; 
   δ: indicator vector; 
 
voclink α δN(1)+β(r,2) N(1): node-by-word matrix; 
   supervision: dictionary; 
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