Example #1
0
    def call(self, inputs, mask=None):
        #w_c=K.repeat(self.W_c,self.input_num)
        #w_m=K.repeat(self.W_m,self.input_num)

        x = inputs[0]
        mem_vector = inputs[1]

        c = K.dot(x, self.W_c) + self.b_c  #context向量
        m = K.dot(x, self.W_m) + self.b_m  #memory向量
        mem_vec = K.repeat(mem_vector, self.input_num)  #与问题进行内积
        m = K.sum(m * mem_vec, axis=2, keepdims=False)
        s = K.softmax(m)  #softmax
        s = K.reshape(s, (-1, self.input_num, 1))
        ctx = self.activation(c * s)

        return ctx  #self.activation(ctx)
Example #2
0
 def call(self,inputs,mask=None):
     #w_c=K.repeat(self.W_c,self.input_num)
     #w_m=K.repeat(self.W_m,self.input_num)
 
     x=inputs[0]
     mem_vector=inputs[1]
     
     c=K.dot(x,self.W_c)+self.b_c #context向量
     m=K.dot(x,self.W_m)+self.b_m #memory向量
     mem_vec=K.repeat(mem_vector,self.input_num) #与问题进行内积
     m=K.sum(m*mem_vec,axis=2,keepdims=False)
     s=K.softmax(m)  #softmax
     s=K.reshape(s,(-1,self.input_num,1))
     ctx=self.activation(c*s)
     
     return ctx#self.activation(ctx)
Example #3
0
def cosine(x1,x2):
    return K.sum(x1*x2,axis=-1)/(K.sqrt(K.sum(x1*x1,axis=-1)*K.sum(x2*x2,axis=-1))+0.0000001) #cos