While satisfying all the security properties proposed in previous signcrption schemes,the new scheme provided a new desired security property,complete-anonymity,which maked the privacy of user protected to the most degree.

Short group signature with full anonymity for large groups

An Efficient Anonymity Analysis Algorithm;

Influence of Anonymity on Computer Based English Writing by Empirical Analysis

Also this paper addressed an anonymity attack model for pervasive computing that it relied on the closely relationship between anonymity and unlinkability.