This is an offshoot of this question Which is more fundamental: key-value or subject-predicate-object?Is there any fundamental, hypothetical or practical, representation of data relationships?Both Key-Value and Subject-Predicate-Object describe pretty well relationships between data in any format. And any relationship can be reduced to be represented by either of them. Is there any theory behind this?
Fundamental representation of data relationships?
data structures;information theory;database theory;knowledge representation