Multiparty Data Publishing via Blockchain and Differential Privacy

Table 2

Summary of notations.

Notation	Explanation
M	The number of data owners
	The -th data owner
	The number of individuals in the -th class owned by
	The total number of individuals in the -th class,
	The set of the -th class data owned by
	The set of the -th class data.
	The data set owned by .
	The within-class mean vector of the -th class data owned by
	The within-class mean vector of the -th class data
	The within-class scatter matrix of the -th class data owned by
	The within-class scatter matrix of the -th class data
	The pooled within-class scatter matrix