A BTM-Based Adaptive Objectionable Short Text Filtering Framework

Table 1

Symbol description.

Symbol	Description
	Corpus
	List of feature words
	The number of simultaneous occurrences of each pair of words in each document in corpus
	Feature word relationship matrix
	Number of feature words in the feature vocabulary
	Damping factor between 0 and 1; usually 0.85
	Word importance vector; each element represents the importance of the corresponding feature word in the sequence (recorded as )
	The sensitivity of a feature word
	The weight value of word
	List of sensitive feature words
	Weight list of sensitive feature words
	Corpus document
	Topic implied in the document
={}	Word pairs consisting of word and word
	Number of word pairs under topic
	Number of times topic is assigned to word
	Sensitive topic criterion
	The sensitivity of topic
	The topic number