Welcome to the Ontology of Personal Information (OPI) Project. The OPI is a compilation of personal information types and their semantic relationships among types. The OPI was compiled from over 100 privacy notices, specially selected from over 20 different domains and service types. This includes types from health, finance, shopping, social media, telecommunications, and travel, among others.
Concepts in the OPI are organized into two broad categories:
| Concepts of Physical Things: this category includes sub-categories for entities, events, actions, and agents, such as webpages, site visits, and users | Concepts of Information Types: this category is divided into two sub-categories:
|
Begin by browsing by physical things or information type basic categories, or by searching by keyword.
|
Search by keyword (e.g., click): |