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Table 1.

Comparison of existing models and ours.

Models Preprepared data Energy functions Notation explanations 
TransE   h+r-tL   
TransH   (h-wtrhw)+r-(t-wtrtwr)L wr: relation-specific normalization vector 
TransR TransE embeddings ||Wrh + rWrt||L∗ Wr: relation-specific matrix 
STransE TransE ||Wr,1h + rWr,2t||L∗ Wr,1, Wr,2: relation-specific matrices 
  embeddings     
PTransE TransE h+r-t+1|p(h,t)|pεp(ht)(p|-r) P(h, t): path set of (h, …, t
  embeddings;   
  paths     
NTN Word uTr tanh(hTMrt + Wr,1h + Wr,2t + brur, Mr, Wr,1, Wr,2, br: relation-specific 
  embeddings   variables 
DISTMULT   hTWrt Wr: relation-specific diagonal matrix 
NLFeat Node and link features Φi,j,kTΘ Φi,j,kT: feature vector; Θ: weight vector 
ConvE   g(vec(g(concat(h, r)∗Ω))W) t g: activation function; Ω convolutional layer 
ConvKB   concat (g ([h, r, t] ∗Ω)) ˙ w g: activation function; Ω convolutional layer 
BSKG   Lr(h) + Lt(h,r) c1h{c1r} 
DSKG (joint)     C1h{c2h,c1r},c2h{c2r},c1r{c2r} 
DSKG (respective)     C1h{c2h,c3r},c2h{c4r},c3r{c4r} 
DSKG (cascade)     C1h{c2h},c2h{c3r},c3r{c4r} 
Models Preprepared data Energy functions Notation explanations 
TransE   h+r-tL   
TransH   (h-wtrhw)+r-(t-wtrtwr)L wr: relation-specific normalization vector 
TransR TransE embeddings ||Wrh + rWrt||L∗ Wr: relation-specific matrix 
STransE TransE ||Wr,1h + rWr,2t||L∗ Wr,1, Wr,2: relation-specific matrices 
  embeddings     
PTransE TransE h+r-t+1|p(h,t)|pεp(ht)(p|-r) P(h, t): path set of (h, …, t
  embeddings;   
  paths     
NTN Word uTr tanh(hTMrt + Wr,1h + Wr,2t + brur, Mr, Wr,1, Wr,2, br: relation-specific 
  embeddings   variables 
DISTMULT   hTWrt Wr: relation-specific diagonal matrix 
NLFeat Node and link features Φi,j,kTΘ Φi,j,kT: feature vector; Θ: weight vector 
ConvE   g(vec(g(concat(h, r)∗Ω))W) t g: activation function; Ω convolutional layer 
ConvKB   concat (g ([h, r, t] ∗Ω)) ˙ w g: activation function; Ω convolutional layer 
BSKG   Lr(h) + Lt(h,r) c1h{c1r} 
DSKG (joint)     C1h{c2h,c1r},c2h{c2r},c1r{c2r} 
DSKG (respective)     C1h{c2h,c3r},c2h{c4r},c3r{c4r} 
DSKG (cascade)     C1h{c2h},c2h{c3r},c3r{c4r} 
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