Embedding Unstructured Model Single Layer Model s c (h , r, t) = |h + r − t| L1/L2 s c (h , r, t) = |h ⊥ + r − t ⊥ | L1/L2 , (h ⊥ = h − w⊤ r hw r , t ⊥ = t − w⊤ r tw r ) s c (h , r, t) = |M r h + r − M r t| L1/L2 M rh = r p h⊤ p + I M rt = r p t⊤ p + I s c (h , r, t) = M r,h h − M r,t t s c (h , r, t) = − u⊤ r tanh (M r,h h + M r,t t + b r) s c (h , * ,t) = |h − t|