On 2/8/14 7:51 PM, Paul Tyson wrote:
> Hi Kingsley,
>
> On Sat, 2014-02-08 at 13:19 -0500, Kingsley Idehen wrote:
>> On 2/8/14 12:32 AM, Paul Tyson wrote:
>>> "-- It is a data base language for text.
>> That's the crux of the matter! A database is a document comprised of
>> structured data. It isn't a database management system i.e., an
>> application that provides services such as: storage, indexing,
>> declarative query access etc..
> I suppose you meant to say in the 2nd sentence: "An XML instance
> is ...", followed by "It isn't a database management system....". (01)
I am saying that a database is a kind of document. (02)
I am also saying that a database management system is an application
that manage databases. (03)
Based on the above, XML based markup can be used to create databases
i.e., documents comprised of structured data marked up using an XML
based notation. (04)
>
> True. Goldfarb wasn't saying that, and neither would I. (05)
I wasn't insinuating that you were. I was simply trying to isolate the
database and database management system confusion that tends to permeate
these kinds of conversations/debates about XML utility. (06)
>> XML is fine as mechanism for marking up structured data in a document.
>> The utility of this process isn't optimal if the endeavor requires
>> entity relationships and relation semantics to be discernible and
>> comprehensible to human authors and readers.
> You lost me here. (07)
See my comments above. (08)
> If you have the identifiers of 2 entities and a
> relation between them, there are any number of ways you can put the
> identifiers into a character stream that can be deciphered to indicate
> the relationship. (09)
Yes, I am not disputing that. (010)
> An XML notation would be the most generally useful,
> but, as has been repeatedly noted, may not be preferred for ephemeral
> applications. (011)
Now you've lost me. All I am saying is that you can use a variety of
languages (including those that only have XML based notations) to create
databases i.e., documents comprised of structured content in the form of
statements that represent entity relations.
>
> I've been trying to avoid any suggestion that XML "has semantics" in and
> of itself. (012)
An XML based language (e.g. RDF/XML) can be a notation used to represent
entity relations for a given language (system of signs, syntax, and
semantics). (013)
> On the contrary, by doing little it enables much, as
> illustrated by Goldfarb's list of characteristics and capabilities. (014)
Not disputing Goldfarb's points :-) (015)
Links: (016)
[1] http://bit.ly/1fVZDi5 -- Language
[2] http://bit.ly/1o7pcRb -- Semantics
[3] http://bit.ly/1ievivx -- Database . (017)
Kingsley
>
> Regards,
> --Paul
>
>
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> (018)
-- (019)
Regards, (020)
Kingsley Idehen
Founder & CEO
OpenLink Software
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