Alex,
Has something already done this? Is it even (mostly?) sane?
Sane yes, IMO. Done, sort of, see:
+ URI Fragment Identifiers for the text/plain [1]
+ URI Fragment Identifiers for the text/csv [2]
Cheers,
Michael
[1] http://tools.ietf.org/html/rfc5147
[2] http://tools.ietf.org/html/draft-hausenblas-csv-fragment
--
Dr. Michael Hausenblas, Research Fellow
LiDRC - Linked Data Research Centre
DERI - Digital Enterprise Research Institute
NUIG - National University of Ireland, Galway
Ireland, Europe
Tel. +353 91 495730
http://linkeddata.deri.ie/
http://sw-app.org/about.html
On 4 Aug 2011, at 14:22, Alexander Dutton wrote:
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Hi all,
Say I have an XML document, <http://example.org/something.xml>, and I
want to talk about about some part of it in RDF. As this is XML, being
able to point into it using XPath sounds ideal, leading to something
like:
<#fragment> a fragment:Fragment ;
fragment:within <http://example.org/something.xml> ;
fragment:locator "/some/path[1]"^^fragment:xpath .
(For now we can ignore whether we wanted a nodeset or a single node,
and how to handle XML namespaces.)
More generally, we might want other ways of locating fragments
(probably with a datatype for each):
* character offsets / ranges
* byte offsets / ranges
* line numbers / ranges
* some sub-rectangle of an image
* XML node IDs
* page ranges of a paginated document
Some of these will be IMT-specific and may need some more thinking
about, but the idea is there.
Has something already done this? Is it even (mostly?) sane?
Yours,
Alex
NB. Our actual use-case is having pointers into an NLM XML file
(embodying a journal article) so we can hook up our in-text reference
pointer¹ URIs to the original XML elements (<xref/>s) they were
generated from. This will allow us to work out the context of each
citation for use in further analysis of the relationship between the
citing and cited articles.
¹ See
<http://opencitations.wordpress.com/2011/07/01/nomenclature-for-citations-and-references/
>
for an explanation of the terminology.
- --
Alexander Dutton
Developer, data.ox.ac.uk, InfoDev, Oxford University Computing
Services
Open Citations Project, Department of Zoology, University
of Oxford
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