Open & Webby Structured Data + Machine Readable Relations Semantics. (en)
Open-standards-based Structured Data Representation endowed with machine-
and human-comprehensible entity relationship semantics. Basically, the
meaning of a relationship between two entities is understandable by
machines and humans, e.g., "USA" and "United States of America" both name
(denote) the same entity (thing). (en)