Re: Linotype & rdf/a: textual properties introduction

From: Stefano Mazzocchi <stefanom_at_mit.edu>
Date: Sun, 13 Nov 2005 10:26:08 -0500

Paolo Ciccarese wrote:
> The first step for semantic annotation of content in Linotype (if you
> want to know
> more about Linotype see the note below) has been the introduction of
> "qualifying links":
> <a
> href="http://creativecommons.org/licenses/by-nd/1.0/"
> rel="cc-license">Creative Common License</a>
>
> That leads to the following triplet:
> <> <cc-license> <http://creativecommons.org/licenses/by-nd/1.0/>
>
> Through a prompt,it is possible to define the "qualifying links" and of
> course the
> "simple links".
>
> Current prompt accepts:
> - predicate (link type --> rel)
> - object (link --> href)
>
> But rdf/a allows also to define "textual properties":
>
> <span property="foaf:name">Joe Lambda</span>
>
> This leads to the following triplet:
> <> <foaf:name> <"Joe Lambda">

wait, do you mean

  <> <foaf:name> "Joe Lambda"

?

> and qualifying Links plus property
> <a
> href="http://www.acme.com"
> rel="foaf:workplaceHomepage"
> property="foaf:work">ACME Inc.</a>.
>
> that leads to:
> <> <foaf:workplaceHomepage> <http://www.acme.com>
> <> <http://www.acme.com> <"ACME Inc.">

Hmmm, not sure I like this, I mean what is the benefit of having

  <> <http://www.acme.com> "ACME Inc."

the href is clearly used as an object in the first statement and *then*
as a predicate in the second... I would never want this.

> For adding these features it is necessary to make the prompt more complex.
> In fact it should accept:
> - predicate (link type --> rel)
> - object (link --> href)
> - property (property of the enclosed literal --> property)
>
> I am a little bit scared about increasing complexity for "not-rdf people".
> Maybe the usage of the label "link" and "link type" should be better than
> "predicate" and "object". What do you think?
>
> And what about property? Any ideas?

Paolo,

I think you should make it a little bit more clear of what are your
goals, I mean what are the statements that you consider valuable and
then question how to create a UI that makes that simple to intract with
and what is the best way to encode that into XHTML.

I'm sure it's all clear in your head, but it would help the conversation
here.

>
> Paolo
>
> --------------------
> What is Linotype?
> --------------------
>
> Linotype software was written by Stefano Mazzocchi for his own blog [1].
> It is implemented as a Cocoon application and the original version is
> available at [2].
>
> Working on the same software Stefano and I started to introduce semantic
> annotation of the content through rdf/a [3].
>
> At the location [4] it is available a branch in which an initial
> integration
> of rdf/a is under developement.
>
> [1] http://www.betaversion.org/~stefano/linotype/
> [2] http://simile.mit.edu/repository/linotype/trunk/
> [3] http://www.w3.org/2001/sw/BestPractices/HTML/2005-rdfa-spec
> [4] http://simile.mit.edu/repository/linotype/branches/rdf-a/
>


-- 
Stefano Mazzocchi
Research Scientist                 Digital Libraries Research Group
Massachusetts Institute of Technology            location: E25-131C
77 Massachusetts Ave                   telephone: +1 (617) 253-1096
Cambridge, MA  02139-4307              email: stefanom at mit . edu
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Received on Sun Nov 13 2005 - 15:20:10 EST

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