[Xesam] Metadata Storage Daemon
phreedom.stdin at gmail.com
Sat Jan 12 05:54:23 PST 2008
В сообщении от Saturday 12 January 2008 01:05:38 Mikkel Kamstrup Erlandsen
> On 11/01/2008, Sebastian Trüg <strueg at mandriva.com> wrote:
> > Just my 2 cents:
> > Soprano has a IMOH very good DBus API  for RDF storage which fulfills
> > all 3 of your requirements below. We already use it for Nepomuk and it
> > works great. And since Xesam is already using URIs to identify stuff why
> > not go the extra mile to RDF storage altogether?
> I thought Soprano depended on Qt?
This is not a dependency that you can't easily get rid of.
> Anyways, I don't think the RDF quadruples is a good thing to expose
> directly to the programmers who just want a quick and dirty metadata
> storage. It is simply just too technical. That does not mean that we
> cannot use that stuff under the hood though.
Which part of ( URI, property name, property value , timestamp ) programmers
can't understand and why should it be hidden?
> > Timestamps are handled via named graphs , also known as context (RDF
> > quadruples).
> Are you suggesting putting the mtime in the name of each RDF triple?
> If we are to support timestamps I don't think we should expose them as
> RDF quadruples because I still think that it is too much abstraction
> to present to the end user developer.
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