PF : Website Fingerprinting Attack Using Probabilistic Topic Model

Table 1

The notations used in this work.

Notations	Descriptions
	a training sequence file
	a test sequence file
	a “topic”
	a “word” in a sequence file
	The vocabulary, i.e., the set of different “words”
	The corpus, i.e., the set of training sequence files
	The set of “topics”
	The total number of different “words” in the corpus
	The total number of “words” in the corpus
	The total number of training sequence files
	The total number of test sequence files
	The total number of latent “topics”
	The number of the “word” occurring in the training sequence file
	The number of the “word” occurring in the test sequence file
	Probability
	Conditional probability
	Joint probability