The term anonymity originates from the Greek word “anonymia,” which means “without a name.”
In the context of computing, anonymity has been defined in  as follows: “Anonymity of a subject means that the subject is not identifiable within a set of subjects, the anonymity set.” The anonymity set is the set of all possible subjects, e.g., the set of all possible senders of a message or the set of all possible recipients of a message (dependent on the knowledge of an attacker). Sender anonymity means that a message cannot be linked to the sender, while receiver anonymityimplies that a certain message cannot be linked to the receiver of that message. Relationship anonymity of a sender and recipient means that even though a sender and a recipient can be identified as participating in some communication, they cannot be identified as communicating with each other, i.e., sender and recipient are unlinkable. The definition above...
KeywordsData Mining Knowledge Discovery Database Management Greek Word Storage Representation
- 1.Common Criteria Project, common criteria for information technology security evaluation, part 2: security functional requirements, Jan 2010, ISO/IEC 15408-1:2009. www.commoncriteriaportal.org
- 2.Pfitzmann A. Hansen M. A terminology for talking about privacy by data minimization: anonymity, unlinkability, unobservability, pseudonymity, and identity management version 0.34. http://dud.inf.tu-dresden.de/Anon_Terminology.shtml. 10 Aug 2010.