Operationalizing Contextual Data

According to Nissenbaum's theory of contextual integrity (CI), protecting privacy means ensuring that personal information flows appropriately; it does not mean that no information flows (e.g., confidentiality), or that it flows only if the information subject allows it (e.g., control). Flow is appropriate if it conforms to legitimate, contextual informational norms. Contextual informational norms prescribe information flows in terms of five parameters: actors (sender, subject, recipient), information types, and transmission principles.