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8
Confidentiality, Privacy, and
Trust for Social Media Data
8.1 INTRODUCTION
Security has many dimensions, including condentiality, privacy, trust, availability, and depend-
ability, among others. Our work has examined the condentiality, privacy, and trust (CPT) aspects
of security for social media data represented using semantic web technologies and how they relate
to each other. Condentiality is essentially secrecy. Privacy deals with not disclosing sensitive data
about individuals. Trust is about the assurance one can place on the data or on an individual. For
example, even though John is authorized to get salary data, can we trust John ...