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Re: ccREL in OAI-PMH (Maarten Zeinstra) > > >---------------------------------------------------------------------- > >Message: 1 >Date: Tue, 29 Jun 2010 15:14:04 -0700 >From: Nathan Yergler <[email protected]> >To: Maarten Zeinstra <[email protected]> >Cc: [email protected] >Subject: Re: [cc-devel] ccREL in OAI-PMH >Message-ID: > <[email protected]> >Content-Type: text/plain; charset=windows-1252 > >That makes sense to me, Maarten. > >NRY > >On Tue, Jun 29, 2010 at 4:58 AM, Maarten Zeinstra <[email protected]> wrote: >> Hi Nathan, >> I used this as my starting point: >> http://www.openarchives.org/OAI/2.0/rdf.xsd >> which is the structure to include rdf in the OAI protocol >> I derived from that that construct needs to have the following form: >> <rdf:RDF >> ??xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; >> ??xsi:schemaLocation="http://www.w3.org/1999/02/22-rdf-syntax-ns# >> ?http://www.openarchives.org/OAI/2.0/rdf.xsd";> >> </rdf:RDF:> >> Then I probably made a mistake by replacing >> http://www.openarchives.org/OAI/2.0/rdf.xsd >> with >> http://creativecommons.org/ns# >> instead of replacing the first >> http://www.w3.org/1999/02/22-rdf-syntax-ns# >> I am equally not sure about the schemalocation. >> Probably the right way to use ccREL here is: >> <rdf:RDF >> ??xmlns:cc="http://creativecommons.org/ns#"; >> ??xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; >> ??xsi:schemaLocation="http://www.w3.org/1999/02/22-rdf-syntax-ns# >> ?http://www.openarchives.org/OAI/2.0/rdf.xsd";> >> </rdf:RDF:> >> Would you agree? >> Maarten Zeinstra >> Kennisland | Knowledgeland >> >> T: +31.20.575.6720 |?E: [email protected] >> www.kennisland.nl?|?www.knowledgeland.org >> >> On Jun 28, 2010, at 19:19 , Nathan Yergler wrote: >> >> Hi Maarten, >> >> We do not currently have an XSD for the CC namespace, so assuming you >> can include RDF directly, that seems like the easiest way to get >> started. ?Note that I'm not an expert on OAI-PMH, so I'm not certain >> that's possible. >> >> That said, the example you gave seems a little strange to me. ?In the >> rdf:RDF element, you declare the rdf as >> "http://www.w3.org/1999/02/22-rdf-syntax-ns#";. ?Under normal RDF/XML >> rules (assuming those apply here) "rdf:attributionName" would be >> interpreted as http://www.w3.org/1999/02/22-rdf-syntax-ns#attributionName. >> I don't think that's what you're going for. ?I'd expect to see >> something like: >> >> <rdf:RDF >> xmlns:rdf=?http://www.w3.org/1999/02/22-rdf-syntax-ns#? >> xmlns:cc="http://creativecommons.org/ns#";> >> >> and then "cc:attributionName", "cc:attributionUrl", etc. ?I'm also not >> clear what the point of xsi:schemaLocation is on rdf:RDF. >> >> Apologies if my comments reveal some deep-seated misunderstanding of >> OAI-PMH. ?It'd be great to have a functional example of CC REL in >> OAI-PMH, so I'd love to work through the issues and get this >> documented. >> >> Regards, >> >> Nathan >> >> >> On Mon, Jun 28, 2010 at 7:35 AM, Maarten Zeinstra <[email protected]> wrote: >> >> Hello list, >> >> I'm trying to make an implementation of ccREL for OAI-PMH to communicate >> >> specific ccREL information. I could not find examples or explanations how >> >> this could be added so I thought I post it on the list. >> >> I've used the standard RDF implementation to bypass the need to have an xsd, >> >> which as far as I know there is none of ccREL is there? >> >> That would result to a record that would like this? Wouldn't it? >> >> <record> >> >> <header> >> >> <identifier>...</identifier> >> >> <datestamp>1962-05-04T00:00:00Z</datestamp> >> >> </header> >> >> <metadata> >> >> <oai_dc:dc xsi:schemaLocation=" >> >> http://www.openarchives.org/OAI/2.0/oai_dc/ >> >> http://www.openarchives.org/OAI/2.0/oai_dc.xsd";> >> >> .... >> >> </oai_dc:dc> >> >> <rdf:RDF >> >> xmlns:rdf=?http://www.w3.org/1999/02/22-rdf-syntax-ns#? >> >> xsi:schemaLocation= >> >> ?http://www.w3.org/1999/02/22-rdf-syntax-ns# >> >> http://creativecommons.org/ns#?> >> >> <RDF:attributionName> >> >> [maker] >> >> </RDF:attributionName> >> >> <RDF:attributionURL> >> >> [locatie op openbeelden.nl] >> >> </RDF:attributionURL> >> >> <RDF:license> >> >> [licentie url] >> >> </RDF:license> >> >> </rdf:RDF> >> >> </metadata> >> >> </record> >> >> Best, >> >> Maarten Zeinstra >> >> Kennisland | Knowledgeland >> >> T: +31.20.575.6720 |?E: [email protected] >> >> www.kennisland.nl?|?www.knowledgeland.org >> >> _______________________________________________ >> >> cc-devel mailing list >> >> [email protected] >> >> http://lists.ibiblio.org/mailman/listinfo/cc-devel >> >> >> >> >> > > >------------------------------ > >Message: 2 >Date: Wed, 30 Jun 2010 16:37:25 +0200 >From: Maarten Zeinstra <[email protected]> >To: Nathan Yergler <[email protected]> >Cc: [email protected] >Subject: Re: [cc-devel] ccREL in OAI-PMH >Message-ID: <[email protected]> >Content-Type: text/plain; charset="windows-1252" > >Thanks I will use it like this for the moment, > >Would it be a good idea to look into an xsd for ccREL? > >There is already a good human readable guideline, but as far as I can find no >automated way of checking the validity of data structured in ccREL. > >Looking deeper into OAI-PMH I see that they have some structures available to >put rights informationan, although this refers to the metadata itself not the >object is describes. >Adoption of ccREL in a future version of OAI-PMH could benefit the use of >ccREL greatly as well as giving archives a way to more accurately describes >the rights status of the works they put out there. > >Cheers, > >Maarten Zeinstra > >Kennisland | Knowledgeland >T: +31.20.575.6720 | E: [email protected] >www.kennisland.nl | www.knowledgeland.org > >On Jun 30, 2010, at 24:14 , Nathan Yergler wrote: > >> That makes sense to me, Maarten. >> >> NRY >> >> On Tue, Jun 29, 2010 at 4:58 AM, Maarten Zeinstra <[email protected]> wrote: >>> Hi Nathan, >>> I used this as my starting point: >>> http://www.openarchives.org/OAI/2.0/rdf.xsd >>> which is the structure to include rdf in the OAI protocol >>> I derived from that that construct needs to have the following form: >>> <rdf:RDF >>> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; >>> xsi:schemaLocation="http://www.w3.org/1999/02/22-rdf-syntax-ns# >>> http://www.openarchives.org/OAI/2.0/rdf.xsd";> >>> </rdf:RDF:> >>> Then I probably made a mistake by replacing >>> http://www.openarchives.org/OAI/2.0/rdf.xsd >>> with >>> http://creativecommons.org/ns# >>> instead of replacing the first >>> http://www.w3.org/1999/02/22-rdf-syntax-ns# >>> I am equally not sure about the schemalocation. >>> Probably the right way to use ccREL here is: >>> <rdf:RDF >>> xmlns:cc="http://creativecommons.org/ns#"; >>> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; >>> xsi:schemaLocation="http://www.w3.org/1999/02/22-rdf-syntax-ns# >>> http://www.openarchives.org/OAI/2.0/rdf.xsd";> >>> </rdf:RDF:> >>> Would you agree? >>> Maarten Zeinstra >>> Kennisland | Knowledgeland >>> >>> T: +31.20.575.6720 | E: [email protected] >>> www.kennisland.nl | www.knowledgeland.org >>> >>> On Jun 28, 2010, at 19:19 , Nathan Yergler wrote: >>> >>> Hi Maarten, >>> >>> We do not currently have an XSD for the CC namespace, so assuming you >>> can include RDF directly, that seems like the easiest way to get >>> started. Note that I'm not an expert on OAI-PMH, so I'm not certain >>> that's possible. >>> >>> That said, the example you gave seems a little strange to me. In the >>> rdf:RDF element, you declare the rdf as >>> "http://www.w3.org/1999/02/22-rdf-syntax-ns#";. Under normal RDF/XML >>> rules (assuming those apply here) "rdf:attributionName" would be >>> interpreted as http://www.w3.org/1999/02/22-rdf-syntax-ns#attributionName. >>> I don't think that's what you're going for. I'd expect to see >>> something like: >>> >>> <rdf:RDF >>> xmlns:rdf=?http://www.w3.org/1999/02/22-rdf-syntax-ns#? >>> xmlns:cc="http://creativecommons.org/ns#";> >>> >>> and then "cc:attributionName", "cc:attributionUrl", etc. I'm also not >>> clear what the point of xsi:schemaLocation is on rdf:RDF. >>> >>> Apologies if my comments reveal some deep-seated misunderstanding of >>> OAI-PMH. It'd be great to have a functional example of CC REL in >>> OAI-PMH, so I'd love to work through the issues and get this >>> documented. >>> >>> Regards, >>> >>> Nathan >>> >>> >>> On Mon, Jun 28, 2010 at 7:35 AM, Maarten Zeinstra <[email protected]> wrote: >>> >>> Hello list, >>> >>> I'm trying to make an implementation of ccREL for OAI-PMH to communicate >>> >>> specific ccREL information. I could not find examples or explanations how >>> >>> this could be added so I thought I post it on the list. >>> >>> I've used the standard RDF implementation to bypass the need to have an xsd, >>> >>> which as far as I know there is none of ccREL is there? >>> >>> That would result to a record that would like this? Wouldn't it? >>> >>> <record> >>> >>> <header> >>> >>> <identifier>...</identifier> >>> >>> <datestamp>1962-05-04T00:00:00Z</datestamp> >>> >>> </header> >>> >>> <metadata> >>> >>> <oai_dc:dc xsi:schemaLocation=" >>> >>> http://www.openarchives.org/OAI/2.0/oai_dc/ >>> >>> http://www.openarchives.org/OAI/2.0/oai_dc.xsd";> >>> >>> .... >>> >>> </oai_dc:dc> >>> >>> <rdf:RDF >>> >>> xmlns:rdf=?http://www.w3.org/1999/02/22-rdf-syntax-ns#? >>> >>> xsi:schemaLocation= >>> >>> ?http://www.w3.org/1999/02/22-rdf-syntax-ns# >>> >>> http://creativecommons.org/ns#?> >>> >>> <RDF:attributionName> >>> >>> [maker] >>> >>> </RDF:attributionName> >>> >>> <RDF:attributionURL> >>> >>> [locatie op openbeelden.nl] >>> >>> </RDF:attributionURL> >>> >>> <RDF:license> >>> >>> [licentie url] >>> >>> </RDF:license> >>> >>> </rdf:RDF> >>> >>> </metadata> >>> >>> </record> >>> >>> Best, >>> >>> Maarten Zeinstra >>> >>> Kennisland | Knowledgeland >>> >>> T: +31.20.575.6720 | E: [email protected] >>> >>> www.kennisland.nl | www.knowledgeland.org >>> >>> _______________________________________________ >>> >>> cc-devel mailing list >>> >>> [email protected] >>> >>> http://lists.ibiblio.org/mailman/listinfo/cc-devel >>> >>> >>> >>> >>> >> > >-------------- next part -------------- >An HTML attachment was scrubbed... >URL: ><http://lists.ibiblio.org/pipermail/cc-devel/attachments/20100630/1cca7cb6/attachment.html> > >------------------------------ > >_______________________________________________ >cc-devel mailing list >[email protected] >http://lists.ibiblio.org/mailman/listinfo/cc-devel > > >End of cc-devel Digest, Vol 58, Issue 4 >*************************************** >
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