Research Article

LDPCD: A Novel Method for Locally Differentially Private Community Detection

Table 1

The description of the main notations used in this article.

SymbolsDescriptions

The set of all users
A user subset of
A bipartition of
The true/noisy fitness of user i in terms of
i’s true/noisy degree in
i’s true/noisy degree vector in
The estimated modularity of a community division of all users
The estimated bipartition modularity of
The final bipartite grouping of with converged
The community division result of all users of the th round bipartition
A certain user subset (community) of
The gain of caused by the substitution of for in user community division
The privacy budget used for each query on user’s degree vector based on
The privacy budget used for the query on user’s degree vector based on to estimate