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Automatic publication of library and museum data into the semantic web: the description of the ALIADA project
- 1. Automatic publication of library and museum data into the semantic web: the description of the ALIADA project Ádám Horváth Hungarian National Museum Museum of Fine Arts, Budapest Art Libraries Facing the Challenges of a Digital Age Budapest, 2nd June, 2014
- 2. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 2 Contents http://aliada-project.eu • Metadata accession • How semantic web is built-up • Usage of semantic web • Aim of ALIDA • Project overview • The structure of ALIADA • ALIADA and the Museum of Fine Arts, Budapest
- 3. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 3 Situation http://aliada-project.eu • Libraries and museums provide access to the description of their assets • The descriptions are very detailed and accurate • The descriptions are based and standards: museum and library standards
- 4. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 4 Problems http://aliada-project.eu • These standards are not used outside of the museum and library domains • The descriptions are provided on the Internet as documents, not as data
- 5. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 5 Document versus data http://aliada-project.eu
- 6. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 6 Document versus data http://aliada-project.eu
- 7. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 7 Document versus data http://aliada-project.eu
- 8. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 8 Document versus data http://aliada-project.eu
- 9. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 9 Document versus data http://aliada-project.eu
- 10. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 10 Document versus data http://aliada-project.eu
- 11. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 11 Document versus data http://aliada-project.eu
- 12. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 12 Document versus data http://aliada-project.eu
- 13. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 13 Linked Open Data (LOD) (Semantic Web) http://aliada-project.eu • Series of RDF statements – Subject predicate object – The statement is based on URI-s – Example • Decameron was created by Boccaccio • http://nektar.oszk.hu/data/manifestation/2804140 (Decameron) • http://purl.org/dc/terms/creator (was created by ) • http://viaf.org/viaf/64002165 (Boccaccio)
- 14. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 14 Storing Linked Open Data http://aliada-project.eu • RDF store • SPARQL endpoint
- 15. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 15 Linked Open Data advantages http://aliada-project.eu • It is machine readable • The linked data is built on the current Internet architecture • The data can be easily connected • The RDF is not domain specific. It is a worldwide API to data – Museums and libraries can step outside of their domain, their data can interact with the data of other domains
- 16. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 16 Usage of Linked Open Data http://aliada-project.eu • Smart search • Data enrichment • Solving problems more easily • Standards based on linked data
- 17. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 17 Semantic web applicatonsSemantic web applicatons
- 18. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 18
- 19. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 19 Smart search http://aliada-project.eu • works showing location • works showing concept • works titled • works created from
- 20. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 20 Data enrichment http://aliada-project.eu • My own thesaurus – <skos:Concept rdf:about="http://nektar.oszk.hu/resource/auth/kut ya"> – <skos:prefLabel xml:lang="hu">kutya</skos:prefLabel> – An other thesaurus • <skos:prefLabel xml:lang=„en">dog</skos:prefLabel> • <skos:prefLabel xml:lang=„it">cane</skos:prefLabel>
- 21. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 21 Enrichment http://aliada-project.eu • My own thesaurus after enrichment • <skos:prefLabel xml:lang="hu">kutya</skos:prefLabel> • <skos:prefLabel xml:lang=„en">dog</skos:prefLabel> • <skos:prefLabel xml:lang=„it">cane</skos:prefLabel>
- 22. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 22 Solving problems more easily http://aliada-project.eu • Yale Centre for British Art – Handling of frames • Hungarian National Library – Showing the different edition of a certain book
- 23. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 23 Standards based on linked data http://aliada-project.eu • Library of Congress BIBFRAME • Provenance standard
- 24. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 24 Standards based on linked data http://aliada-project.eu • Library of Congress BIBFRAME
- 25. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 25 Standards based on linked data http://aliada-project.eu • Library of Congress BIBFRAME
- 26. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 26 Linked Open Data are spreading http://aliada-project.eu • Datasets in the LOD cloude – Union Catalog of Sweden (LIBRIS) – National Library of Hungary – Biblioteca Nacional de España – Yale Centre of British Art – Italian museums • http://www.linkedopendata.it/datasets/musei – British Museum • http://collection.britishmuseum.org/ – Europeana (EDM)
- 27. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 27 The aim of ALIADA http://aliada-project.eu • To break through the isolation of museum and library data • To automate the publication of the museum and library data into the LOD cloud
- 28. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 28 The aim of ALIDA http://aliada-project.eu • To be an ally of libraries and museums in cooperation • To enrich the museum and library data with data from external sources
- 29. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 29 The aim of ALIDA http://aliada-project.eu • To be usable by librarians and curators with minimal information technology knowledge • To be based on library and museum standards (MARC and LIDO) • It will be open source • It will have multilingual interface aliada-project.eu/community
- 30. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 30 Project overview http://aliada-project.eu • ALIADA – Automatic publication under LInked DAta Paradigm of library Data – It is an innovation project funded by European Commission – 3 countries: Hungary, Italy, Spain
- 31. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 31 Project overview http://aliada-project.eu • 2 library vendors – SCANBIT (Spain) – @CULT (Italy) • 2 museums – ARTIUM (Spain) – Museum of Fine Arts, Bp (Hungary) • 1 research agency – TECNALIA (Spain)
- 32. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 32 Project overview http://aliada-project.eu • Duration – November 2013 – October 2015 (2 years)
- 33. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB INNOVATIVE SMEs LINKED DATA CLOUD http://lod-cloud.net/ Library Management System (ILS) Museum Collection Management System (MMS) Content Management System (CMS) OBJECTS RICH METADATA CREATORS (librarians, curators) ALIADA BROWSERS OTHER CULTURAL AND HERITAGE INSTITUTIONS
- 34. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 34 ALIADA architecture http://aliada-project.eu Conversion Linking Publication User Interface USER LINKED OPEN DATA CLOUD DATASETS INFORMATION DATASET PUBLICATION INPUT COMMANDS EXECUTION FEEDBACK ALIADA Dublin Core
- 35. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 35 ALIADA input http://aliada-project.eu • MARCXML • LIDO • DC
- 36. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 36 ALIADA record selection http://aliada-project.eu • Highlighting • Searching • Filtering • Search history
- 37. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 37 ALIADA conversion http://aliada-project.eu • With the help of editable profiles
- 38. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 38 ALIADA linking http://aliada-project.eu • Europeana Linked Open Data • British National Bibliography • Spanish National Library • Freebase Visual Art • DBpedia • Hungarian National Library • Library of Congress Subject Headings
- 39. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 39 ALIADA linking http://aliada-project.eu • Lobid. Index of libraries and related organisations • MARC Code Lists • VIAF: Virtual International Authority File • Open Library • Geonames
- 40. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 40 ALIADA publishing http://aliada-project.eu • ZIP file in RDF/XML format • RDF store with SPARQL endpoint • Different RDF formats (json, turtle, etc.) and HTML representations of them • DataHub registration
- 41. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 41 ALIADA and the Museum of Fine Arts, Budapest http://aliada-project.eu • Specification • Provides data (LIDO) • Testing • Social media diffusion aliada-project.eu/community
- 42. © 2014 Aliada ConsortiumArt Libraries Facing the Challenges of a Digital AgeÁdám Horváth – HNM / MFAB 42 http://aliada-project.eu @aliadaproject
Hinweis der Redaktion
- Dear Mr. Horvath, Thanks, the links do work now. Nice work! We matched our records to the LCSH in a different project (called &quot;MACS&quot;) a while ago. The result of the project was a database of corresponding entries in our SWD, the LCHS and RAMEAU. So we did not solve that problem in our linked data project but simply used the information already available. Unfortunately, the URIs are not included, but it was possible to derive them from the IDs used (easy for LCSH, hard for RAMEAU). I am not sure if these mappings are freely available, but if you are interested, I could try to find out. A typical mapping looks like this: &lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt; &lt;!-- Contents from database Work --&gt; ... &lt;add&gt; &lt;doc&gt; &lt;field name=&quot;id&quot;&gt;MACS0000001&lt;/field&gt; &lt;field name=&quot;SWD&quot;&gt;Schauspielkunst&lt;/field&gt; &lt;field name=&quot;SWD_number&quot;&gt;4129090-2&lt;/field&gt; &lt;field name=&quot;RAMEAU&quot;&gt;Art dramatique&lt;/field&gt; &lt;field name=&quot;RAMEAU_number&quot;&gt;FRBNF11930966X&lt;/field&gt; &lt;field name=&quot;LCSH&quot;&gt;Acting&lt;/field&gt; &lt;field name=&quot;LCSH_number&quot;&gt;sh 85000691&lt;/field&gt; &lt;/doc&gt; ... &lt;/add&gt; Would that be at all useful to you? Best regards Jan Hannemann &gt;-----Ursprüngliche Nachricht----- &gt;Von: HORVATH Adam [mailto:adam@oszk.hu] &gt;Gesendet: Montag, 10. Mai 2010 15:59 &gt;An: Hannemann, Jan &gt;Cc: Hauser, Julia; Haffner, Alexander &gt;Betreff: Re: NSZL on the semantic web / DNB on the semantic web &gt; &gt;Dear Mr Hannemann, &gt; &gt;Thanks you for your reaction. The link should work now (I tried a &gt;minute ago). &gt; &gt;I studied your examples. You have very nice, detailed authority &gt;records. I like that you show the html representation in your &gt;catalogue. &gt; &gt;How did you manage to match your subject heading with the LCSH &gt;subject heading? What was the input for the matching? Can one have a &gt;file containing all the skosified LCSH subject heading, which is &gt;frely available? &gt; &gt;We plan to improve our bibliographic data with the bibo schema, to &gt;create a sitemap to our linked data and to do some frbrization based &gt;on our semantic data stored in Jena. &gt; &gt;If you can see any possible cooperation in the future please let us &gt;know. &gt; &gt;Best regards &gt;Adam Horvath &gt; &gt; &gt; &gt; &gt; &gt;Subject:NSZL on the semantic web / DNB on the semantic web &gt;Date sent:Mon, 10 May 2010 11:04:44 +0200 &gt;From:&quot;Hannemann, Jan&quot; &lt;[email_address]&gt; &gt;To:&lt;[email_address]&gt; &gt;Copies to:&quot;Hauser, Julia&quot; &lt;[email_address]&gt;, &gt;&quot;Haffner, Alexander&quot; &lt;[email_address]&gt; &gt; &gt;&gt; Dear Mr. Horvath, &gt;&gt; &gt;&gt; I am from the German National Library and have heard about your recent &gt;&gt; publication of your bibliographic information as linked open data. &gt;&gt; Please let me congratulate you on this important accomplishment! &gt;&gt; &gt;&gt; Incidentally, we have also just completed our first linked data &gt;&gt; project. In this first step we have published large parts of our &gt;&gt; authority files as linked data; a follow-up project is currently being &gt;&gt; planned. Perhaps it will be possible to benefit from each others &gt;&gt; efforts and experiences. &gt;&gt; &gt;&gt; At first glance, it seems that the projects are quite similar; &gt;&gt; apprarently we have chosen different naming schemes for out URIs, but &gt;&gt; that difference is cosmetic at best. Currently, out service only &gt;&gt; offers the usual XML/RDF representation; MARC and other formats might &gt;&gt; be added in the future. We also have content negotiation for the &gt;&gt; RDF/XML and HTML representations of the data. The main difference is &gt;&gt; apparently in the data modelling and ontologies used. &gt;&gt; &gt;&gt; By the way, some of the URLs in your slides don&apos;t seem to work, such &gt;&gt; as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default &gt;&gt; SPARQL queries return errors (HTTP Status 500 - &gt;&gt; com.hp.hpl.jena.shared.JenaException: Exception during database &gt;&gt; access). &gt;&gt; &gt;&gt; We would like to invite you to take a look at our service. &gt;&gt; Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is &gt;&gt; available only in German at the moment. &gt;&gt; &gt;&gt; Here&apos;s a brief English overview of the features: &gt;&gt; &gt;&gt; - The services comprises authority file data about 1,8 million persons &gt;&gt; (from Name Authority File PND), 160.000 subject headings (from Subject &gt;&gt; Headings Authority File SWD) and about 1.3 million corporate bodies &gt;&gt; (from Comporate Body Authority File GKD). - The data modelling has &gt;&gt; been refined compared to an earlier prototype (March 2010). - We&apos;ve &gt;&gt; added additional links to external data sources, in particular from &gt;&gt; our SWD to appropriate data at LCSH and RAMEAU. - The service is now &gt;&gt; integrated into our web presence; a special test environment that we &gt;&gt; used before is no longer needed. &gt;&gt; &gt;&gt; These examples illustrate our work: &gt;&gt; &gt;&gt; - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768) &gt;&gt; has the following XML/RDF representation: &gt;&gt; http://d-nb.info/gnd/118514768/about - The Subject Heading for &gt;&gt; &quot;Führungskraft&quot; (&quot;Executive&quot; or &quot;Cadres (personnel)&quot;) is found here: &gt;&gt; http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation &gt;&gt; can be found here: http://d-nb.info/gnd/4071497-4/about &gt;&gt; &gt;&gt; The next step for us is planning a follow-up project that will improve &gt;&gt; the technical infrastructure, develop automatic update mechanisms and &gt;&gt; expand the data we represent. &gt;&gt; &gt;&gt; We are looking forward to your feedback. &gt;&gt; &gt;&gt; Best regards, &gt;&gt; &gt;&gt; Jan Hannemann &gt;&gt; &gt;&gt; &gt;&gt; _______________________________________ &gt;&gt; &gt;&gt; Dr. Jan Hannemann &gt;&gt; Deutsche Nationalbibliothek &gt;&gt; Informationstechnik &gt;&gt; Adickesallee 1 &gt;&gt; D-60322 Frankfurt am Main &gt;&gt; Telefon: +49-69-1525-1769 &gt;&gt; Telefax: +49-69-1525-1799 &gt;&gt; &gt;&gt; &gt;&gt; &gt;
- Dear Mr. Horvath, Thanks, the links do work now. Nice work! We matched our records to the LCSH in a different project (called &quot;MACS&quot;) a while ago. The result of the project was a database of corresponding entries in our SWD, the LCHS and RAMEAU. So we did not solve that problem in our linked data project but simply used the information already available. Unfortunately, the URIs are not included, but it was possible to derive them from the IDs used (easy for LCSH, hard for RAMEAU). I am not sure if these mappings are freely available, but if you are interested, I could try to find out. A typical mapping looks like this: &lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt; &lt;!-- Contents from database Work --&gt; ... &lt;add&gt; &lt;doc&gt; &lt;field name=&quot;id&quot;&gt;MACS0000001&lt;/field&gt; &lt;field name=&quot;SWD&quot;&gt;Schauspielkunst&lt;/field&gt; &lt;field name=&quot;SWD_number&quot;&gt;4129090-2&lt;/field&gt; &lt;field name=&quot;RAMEAU&quot;&gt;Art dramatique&lt;/field&gt; &lt;field name=&quot;RAMEAU_number&quot;&gt;FRBNF11930966X&lt;/field&gt; &lt;field name=&quot;LCSH&quot;&gt;Acting&lt;/field&gt; &lt;field name=&quot;LCSH_number&quot;&gt;sh 85000691&lt;/field&gt; &lt;/doc&gt; ... &lt;/add&gt; Would that be at all useful to you? Best regards Jan Hannemann &gt;-----Ursprüngliche Nachricht----- &gt;Von: HORVATH Adam [mailto:adam@oszk.hu] &gt;Gesendet: Montag, 10. Mai 2010 15:59 &gt;An: Hannemann, Jan &gt;Cc: Hauser, Julia; Haffner, Alexander &gt;Betreff: Re: NSZL on the semantic web / DNB on the semantic web &gt; &gt;Dear Mr Hannemann, &gt; &gt;Thanks you for your reaction. The link should work now (I tried a &gt;minute ago). &gt; &gt;I studied your examples. You have very nice, detailed authority &gt;records. I like that you show the html representation in your &gt;catalogue. &gt; &gt;How did you manage to match your subject heading with the LCSH &gt;subject heading? What was the input for the matching? Can one have a &gt;file containing all the skosified LCSH subject heading, which is &gt;frely available? &gt; &gt;We plan to improve our bibliographic data with the bibo schema, to &gt;create a sitemap to our linked data and to do some frbrization based &gt;on our semantic data stored in Jena. &gt; &gt;If you can see any possible cooperation in the future please let us &gt;know. &gt; &gt;Best regards &gt;Adam Horvath &gt; &gt; &gt; &gt; &gt; &gt;Subject:NSZL on the semantic web / DNB on the semantic web &gt;Date sent:Mon, 10 May 2010 11:04:44 +0200 &gt;From:&quot;Hannemann, Jan&quot; &lt;[email_address]&gt; &gt;To:&lt;[email_address]&gt; &gt;Copies to:&quot;Hauser, Julia&quot; &lt;[email_address]&gt;, &gt;&quot;Haffner, Alexander&quot; &lt;[email_address]&gt; &gt; &gt;&gt; Dear Mr. Horvath, &gt;&gt; &gt;&gt; I am from the German National Library and have heard about your recent &gt;&gt; publication of your bibliographic information as linked open data. &gt;&gt; Please let me congratulate you on this important accomplishment! &gt;&gt; &gt;&gt; Incidentally, we have also just completed our first linked data &gt;&gt; project. In this first step we have published large parts of our &gt;&gt; authority files as linked data; a follow-up project is currently being &gt;&gt; planned. Perhaps it will be possible to benefit from each others &gt;&gt; efforts and experiences. &gt;&gt; &gt;&gt; At first glance, it seems that the projects are quite similar; &gt;&gt; apprarently we have chosen different naming schemes for out URIs, but &gt;&gt; that difference is cosmetic at best. Currently, out service only &gt;&gt; offers the usual XML/RDF representation; MARC and other formats might &gt;&gt; be added in the future. We also have content negotiation for the &gt;&gt; RDF/XML and HTML representations of the data. The main difference is &gt;&gt; apparently in the data modelling and ontologies used. &gt;&gt; &gt;&gt; By the way, some of the URLs in your slides don&apos;t seem to work, such &gt;&gt; as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default &gt;&gt; SPARQL queries return errors (HTTP Status 500 - &gt;&gt; com.hp.hpl.jena.shared.JenaException: Exception during database &gt;&gt; access). &gt;&gt; &gt;&gt; We would like to invite you to take a look at our service. &gt;&gt; Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is &gt;&gt; available only in German at the moment. &gt;&gt; &gt;&gt; Here&apos;s a brief English overview of the features: &gt;&gt; &gt;&gt; - The services comprises authority file data about 1,8 million persons &gt;&gt; (from Name Authority File PND), 160.000 subject headings (from Subject &gt;&gt; Headings Authority File SWD) and about 1.3 million corporate bodies &gt;&gt; (from Comporate Body Authority File GKD). - The data modelling has &gt;&gt; been refined compared to an earlier prototype (March 2010). - We&apos;ve &gt;&gt; added additional links to external data sources, in particular from &gt;&gt; our SWD to appropriate data at LCSH and RAMEAU. - The service is now &gt;&gt; integrated into our web presence; a special test environment that we &gt;&gt; used before is no longer needed. &gt;&gt; &gt;&gt; These examples illustrate our work: &gt;&gt; &gt;&gt; - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768) &gt;&gt; has the following XML/RDF representation: &gt;&gt; http://d-nb.info/gnd/118514768/about - The Subject Heading for &gt;&gt; &quot;Führungskraft&quot; (&quot;Executive&quot; or &quot;Cadres (personnel)&quot;) is found here: &gt;&gt; http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation &gt;&gt; can be found here: http://d-nb.info/gnd/4071497-4/about &gt;&gt; &gt;&gt; The next step for us is planning a follow-up project that will improve &gt;&gt; the technical infrastructure, develop automatic update mechanisms and &gt;&gt; expand the data we represent. &gt;&gt; &gt;&gt; We are looking forward to your feedback. &gt;&gt; &gt;&gt; Best regards, &gt;&gt; &gt;&gt; Jan Hannemann &gt;&gt; &gt;&gt; &gt;&gt; _______________________________________ &gt;&gt; &gt;&gt; Dr. Jan Hannemann &gt;&gt; Deutsche Nationalbibliothek &gt;&gt; Informationstechnik &gt;&gt; Adickesallee 1 &gt;&gt; D-60322 Frankfurt am Main &gt;&gt; Telefon: +49-69-1525-1769 &gt;&gt; Telefax: +49-69-1525-1799 &gt;&gt; &gt;&gt; &gt;&gt; &gt;
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