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BIBFRAME  June 2012

BIBFRAME June 2012

Subject:

AW: [BIBFRAME] GND in RDF (was: Re: Latest brilliant idea (fwd))

From:

"Hauser, Julia" <[log in to unmask]>

Reply-To:

Bibliographic Framework Transition Initiative Forum <[log in to unmask]>

Date:

Tue, 5 Jun 2012 10:40:21 +0000

Content-Type:

text/plain

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text/plain (121 lines)

Dear all,

at the German National Library (Deutsche Nationalbibliothek, DNB) we are happy to see this large interest in our linked data service (and thanks to Jörg for posting his comments on their usefulness here). 

The reason we have not announced the publication of the dumps yet is that the data available for download contains some flawed URIs pointing to external resources and that the data thus is not syntactically correct RDF. We are currently clearing up the data and will post here (and on other lists) as soon as we have solved those problems.

Best regards,
Julia Hauser

***Lesen. Hören. Wissen. 100 Jahre Deutsche Nationalbibliothek*** ***Reading. Listening. Understanding. A century of the German National Library***
-- 
Julia Hauser 
Deutsche Nationalbibliothek 
Informationstechnik 
Adickesallee 1 
D-60322 Frankfurt am Main 
Telefon: +49-69-1525-1784 
Telefax: +49-69-1525-1799 
mailto:[log in to unmask] 
http://www.dnb.de 
http://www.dnb.de/100jahre

>-----Ursprüngliche Nachricht-----
>Von: Bibliographic Framework Transition Initiative Forum
>[mailto:[log in to unmask]] Im Auftrag von Jög Prante
>Gesendet: Dienstag, 5. Juni 2012 12:06
>An: [log in to unmask]
>Betreff: [BIBFRAME] GND in RDF (was: Re: Latest brilliant idea (fwd))
>
>Hi,
>
>I would like to share my personal opinion.
>
>The German National Library (DNB) has released the GND in an RDF Turtle
>Dump under a CC0
>license. More information:
>
>http://www.dnb.de/DE/Service/DigitaleDienste/LinkedData/linkeddata_node.
>html
>
>-> Download der Linked Data Dumps
>
>What does that mean? Well, each of us can download a GND base set in
>RDF, put it into a search
>engine, for example into Elasticsearch (it took only a few minutes for
>indexing 9.493.987 subject
>URI-based documents consisting of a total of 97.267.642 triples), or
>into a triple store like 4store,
>and start locally using GND as a source for authority control and for
>mixing up and building
>mashups with other bibliographic and non-bibliographic data.
>
>Setting up an OAI client - for example - completes the scenario. By
>fetching RDF/XML updates on a
>regular basis from DNB you will always have the most recent
>authoritative data. This is not a vision,
>it is reality.
>
>A central triple store would be a major drawback. It does not scale.
>Each library has a lot of users
>and applications, a single triple store would soon collapse. A good
>strategy is to put URI-based
>authorities under an open data license and encouraging and enabling
>everybody around the world
>to use it, too.
>
>With RDF you can organize the data not only in records, but also in a
>graph of bibliographic
>entities. Such a graph has a wealth of sub-graphs, attributes, and other
>properties. Well, if you
>prefer, you can interpret the RDF graph of the GND as a record sequence
>of subject URIs as you
>would do with MARC record collections, for example, to build searchable
>documents. But you are
>no longer restricted to the record model. An RDF graph has an abstract
>semantic interpretation
>and follows the rules of the W3C, describing statements about resources
>and facts (literals), having
>rules in ontologies that are also part of the Semantic Web etc.
>
>By using one of the many RDF serializations, bibliographic data can be
>packaged for transport
>purposes. If you need to transport such packages over the wire, you can
>choose between formats
>such as N-Triples, N3, Turtle, or RDF/XML. You are no longer restricted
>to the record-centered ISO
>2709 format family with ancient character encodings, or XML wrappers
>around ISO 2709 that are
>inheriting all the weaknesses from ISO 2709, since they are not aware of
>how to link to external
>bibliographic entities or to reference them in a stable, reliable
>manner.
>
>We all know, with the Internet, the massive number of mobile devices,
>and broadband connectivity,
>transporting records in file packages from one place to another - like
>our elders need to do on
>magnetic tapes due to the lack of affordable online transport capacity -
>is becoming more and
>more the exception. The typical read access on catalog entities today is
>performed as lookups via a
>growing number of web browsers and other web clients. These clients need
>to search documents,
>traverse links and reference related information in many not foreseeable
>ways. So, methods for
>bibliographic file packaging should be seamlessly connected to such
>popular use cases, i.e. how
>the data is used later on the web.
>
>Technologically, an RDF-based framework is a remarkable difference, it
>means that libraries are
>joining Tim Berners-Lee's effort to interpret the World Wide Web as a
>global database where
>everyone (even machines) can use (bibliographic) entities automatically
>just because they are part
>of the Web, and not just being exposed to the Web.
>
>Best regards,
>
>Jörg

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