RnRTD: Intelligent Approach Based on the Relationship-Driven Neural Network and Restricted Tensor Decomposition for Multiple Accusation Judgment in Legal Cases

Table 1

Symbols.

Symbol	Definition
	Tensor, matrix, vector, scalar
	Transpose of matrix A
	The th entry of χ, same for vectors and matrices
	The ith column of matrix A
	Outer product
	Elementwise multiplication
	Kronecker product
	Khatri–Rao product
	The n-mode stretch
	The n-mode product
	The n-mode matricization of tensor χ
	The Frobenius norm of tensor χ