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openRDF.org Forum » Sesame & Rio: Open Discussion » Thread: relative uris |
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Total posts in this thread: 13
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Oct 25, 2005 7:50:30 PM
bblfish Sesame Addict France Joined: Sep 13, 2004 Posts: 102 Status: Offline |
I just tried upgrading to 1.2.2 from 1.0.3 and the relative URL bug that makes it possible for me to work with sesame is luckily still there. <reminder> The bug stems from Sesame parsing URIs such as <./2005_10_25_20-37-32-143_n1.small.jpeg> as belonging to the ./ namespace . Sesame then goes on to create a namespace such as: @prefix ns11: <./> . (when serialising to turtle) but luckily does not apply that namespace anywhere, or else we would get some weird ns11:2005_10_25_20-37-32-143_n1.small.jpeg uris. </reminder> Please don't forget to build relative URIs into Sesame for the next version. It looks like I will be able to upgrade. But I feel a little uncomforable having to rely on a bug to get my work done. ---------------------------------------- [Edit 1 times, last edit by bblfish at Oct 25, 2005 7:51:21 PM] |
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Jun 23, 2008 12:48:19 AM
josephw Visitor
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(It's a very old thread to reply to, but this seems to be one of the only places this has been discussed.) All I need for relative URIs is the enhancement suggested in Jeen's first reply - writing RDF/XML relative to a base URI. I don't need late resolving, just to write an RDF file that describes the files it travels around with. I've attached the implementation that I'm using. It doesn't claim to be efficient and it relies on the real serialiser only calling toString() on the URIs its given. ---------------------------------------- 
RelativeRDFXMLWriter.java
(1581 bytes)
(Download Count: 312)
(A decorator for RDF/XML writing that relativises subject URIs, where possible, according to a given base URI.) |
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Jun 25, 2008 8:54:36 AM
arjohn OpenRDF project lead The Netherlands Joined: Jan 23, 2004 Posts: 1289 Status: Offline |
Thanks for raising this issue again and for your patch. I think we should integrate this feature into the writers themselves, instead of using a wrapper. It's also relevant for other RDF formats (but not all). Can you log a feature request in our issue tracker so that we won't forget about it? Please log it for the 'Sesame' project with module Rio, and not in the 'Rio' project. ---------------------------------------- Arjohn Kampman, OpenRDF project lead, Aduna |
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