 |
 |
On 8/2/13 4:55 PM, Wallis,Richard wrote: > > Looks to me more like an attempt to produce a PURL service to point at > publisher web page URLs. They are only created upon request, and they > could point at anything. - even less like reliable resource > identifier than the ISBN! Richard, that is the nature of DOI, not just DOI for ISBNs. It can point to anything, and at times that anything is a publisher's home page. Still, DOIs are considered important identifiers. I think this leaves us with a dilemma, which is: 1. Unless a publisher includes the ISBN-A on the package or in metadata, you have no idea if there is one, but 2. Unless the ISBN international agency develops a canonical URI pattern, we're stuck with the URN form - urn:isbn:.... Maybe we should be pounding on the doors of http://www.isbn-international.org/ to get a simple, global ISBN URI. kc > > Once you know the pattern, yes you could calculate what the ISBN-A URL > would be (if there is one created for the book with that ISBN) , but > that is not a translation to a linked data URI. > > In the same way, knowing the oclcnum of a bib record lets you > calculate what the WorldCat Linked Data URI for the resource that > record describes, because of the URI pattern used in WorldCat data. > However, they are still separate and different things. > > Treating it otherwise would be the equivalent of using the text string > which is the title of a book to calculate what the dbpedia URI would > be for the work with that title and then saying that the URI was > equivalent to the title. > > ~Richard > > > From: Karen Coyle <[log in to unmask] <mailto:[log in to unmask]>> > Reply-To: Karen Coyle <[log in to unmask] <mailto:[log in to unmask]>> > Date: Friday, 2 August 2013 21:42 > To: "[log in to unmask] <mailto:[log in to unmask]>" > <[log in to unmask] <mailto:[log in to unmask]>> > Subject: Re: [BIBFRAME] Modeling Question > > Richard, did you see my note about DOI and the ISBN? They claim to > be the official ISBN as URI: > > http://www.doi.org/factsheets/ISBN-A.html > > I believe that there is no problem translating an ISBN string into > the DOI URI. > > kc > > On 8/2/13 1:23 PM, Wallis,Richard wrote: >> >> On 2 Aug 2013, at 20:18, J. McRee Elrod <[log in to unmask] >> <mailto:[log in to unmask]>> wrote: >> >>> Richard Wallis posted: >>> >>>> [In the linked data world] there is a significant difference >>>> between >>>> the >numbers (OCLC number, LCCN, ISBN, etc.) associated with a >>>> resource and the >URI that identifies it. >>> >>> Of these numbers, only ISBN is associated with the resource. >>> The OCN, >>> LCCN, and other national bibliographic agency nubers, are associated >>> with the description. >>> >> >> That is true, the numbers /have/ been associated with the records >> (descriptions). However the URI is a [linked data] identifier for >> the resource. >> >> Note the '[In the linked data world]' in the text above you >> referenced. Linked data uses http URIs as identifiers for >> resources, so that they can be linked and those links followed. >> Obviously there is need to record numbers and other identifying >> strings (which are not http URIs) that have been used to identify >> the resource in other domains, as properties in the RDF description. >> >> ISBN is a bit of a special case, it is an identifier for the >> resource, it is a string, it is not a http URI that can be used >> as a linked data identifier. So in RDF it is captured as a >> string property. >> >> ~Richard. > > -- > Karen Coyle > [log in to unmask] http://kcoyle.net > ph: 1-510-540-7596 > m: 1-510-435-8234 > skype: kcoylenet > -- Karen Coyle [log in to unmask] http://kcoyle.net ph: 1-510-540-7596 m: 1-510-435-8234 skype: kcoylenet