Hi Holer,
Thanks for your response. Your post answers some of my questions.
Please check my other comments/queries below.
Hi Sanjeev,
>
> I assume this is about TopBraid's relational database storage, aka SDB.
>
Yes, this is about our TopBraid EDG application instance's
relational database storage and it is MySQL.
> This stores RDF triples, and RDF triples can only store literals (e.g.
> strings) in the object position. So if SDB stores literals in a column
> called lex then this is indeed the only place where user IDs are stored.
>
So, my understanding is that if all the literals that are at the
Object position of Triples are stored in the column called lex then the
user IDs are also stored in that same column.
> However, note that users can sometimes be stored as part of URIs, of the
> form urn:x-tb-users:XY where XY is the user ID, and those may be used in
> either subject or object position, and therefore be stored in corresponding
> RDB database columns.
>
Does it mean to say that if an user ID (stored as part of URIs, of the
form urn:x-tb-users:XY where XY is the user ID) is at the Subject position
of a Triple then that user ID is stored in a different RDB database column
other than the column named lex, which contains literals that are at the
Object position of Triples?
> I am not sure if this answers your question.
>
> Holger
>
>
>
>
Thanks,
Sanjeev
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