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Hi Vladimir,

are you looking for examples how library data is represented on the Semantic Web side? Just to name a few notable developments:

- Deutsche Nationalbibliothek offers german libraries' authority data file GND in RDF http://d-nb.info/standards/elementset/gnd

- Virtual authority file VIAF is available in RDF http://viaf.org/viaf/data/

- Library of Congress Authorities' data sets, e.g. Subject Headings LCSH http://id.loc.gov/

- Bibliothèque nationale de France http://data.bnf.fr/semanticweb

- British Library http://www.bl.uk/bibliographic/datafree.html

(there are much more to mention)

These files are representations for the Semantic Web, they can be collected and used in tools for querying, or indexing, or creating links, mashups etc.

There are some visualizations like the "Linked Open Data cloud" of Richard Cyganiak and Anja Jentzsch that show e.g. GND, VIAF, LCSH as part of the Semantic Web  

http://semanticscience.wordpress.com/category/semantic-web/

The main point is that many national libraries have already started offering their authority files via Semantic Web, because the reuse rate of this data, the validity, and the trust into the correctness of this kind of data is high. In the next years, library catalogs with title or holdings data are expected to link to those entities, and by doing this, library systems can adapt to RDF and Semantic Web services at their own preference and speed. Bibframe is of great help to proceed along that path.

Jörg



On Mon, May 26, 2014 at 11:54 AM, Vladimir Skvortsov <[log in to unmask]> wrote:
Thank you very much you found a time to answer my question.

I have no doubt that search on linked data may be organized perfectly with
library-specific software like VTLS for example. I also have no doubt that
library-specific software will keep its importance in Semantic Web
environment as well. The question is how will library segment of Linked Data
space look like from the standard Semantic Web side?

Vladimir Skvortsov,
National Library of Russia