A Method for Constructing Supervised Time Topic Model Based on Variational Autoencoder

Table 3

Notations description.

Notation	Description
	Time slice
	The supervised topic
	The set of topics in a text corpus
	Document
	Term
	The number of terms in document
	The word-topic distribution parameters in time slice
	The document-specific topic parameters in time slice
	The vector of words-topic
	Input documents in time slice
	The mean parameters for inputting documents in time slice
	The covariance parameters for inputting documents in time slice
	Generate documents in time slice
	The mean parameters for generating documents in time slice
	The covariance parameters for generating documents in time slice