so let's say john is example.com/john and sally is example.com/sally
what do we use for "knows"?
well, there are multiple senses of the word "knows":
1) is aware of the existence of
2) is familiar with
3) is having sexual intercourse with
we mean definition 1. so we might use example.com/vocab/knows/1
now we have the statement:
<example.com/john> <example.com/vocab/knows/1> <example.com/sally>
this is unambiguous, but we can go one step further: we can provide definitions at the uri
15/?