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RDF and Open Linked Data, a first approach

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2 RDF and Open Linked Data, a first approach – Tiziana
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ThGeniusThGeniu...

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3 RDF and Open Linked Data, a first approach – Tiziana
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RDF and Open Linked Data, a first approach

  1. 1. RDF and Open Linked Data, aRDF and Open Linked Data, a first approachfirst approach ADLUG Users Group MeetingADLUG Users Group Meeting TrentoTrento,, 2222--2424 September, 20September, 201010 Tiziana Possemato, @CTiziana Possemato, @Cultult Andrea GazzariniAndrea Gazzarini, @Cult, @Cult Ádám HorváthÁdám Horváth,, NSZLNSZL
  2. 2. 2 RDF and Open Linked Data, a first approach – Tiziana ContentsContents Open Linked DataOpen Linked Data ThGeniusThGenius Thesaurus management in WeCatThesaurus management in WeCat Keyword search enrichmentKeyword search enrichment
  3. 3. 3 RDF and Open Linked Data, a first approach – Tiziana Chalanges for librariesChalanges for libraries Les and les people use libraryLes and les people use library cataloguescatalogues What could be the answerWhat could be the answer – To bring the catalogue to the surface webTo bring the catalogue to the surface web • To make it searchable by GoogleTo make it searchable by Google – To provide your data where the user isTo provide your data where the user is • The user must be able to get library data inThe user must be able to get library data in social sitessocial sites • To provide your data on mobile equipmentsTo provide your data on mobile equipments
  4. 4. 4 RDF and Open Linked Data, a first approach – Tiziana Challenges for librariesChallenges for libraries New potential user: the web and theNew potential user: the web and the services on the webservices on the web – Our services must not only beOur services must not only be onon the Web,the Web, but need to bebut need to be ofof the Webthe Web – We have to publish our data on theWe have to publish our data on the semantic websemantic web – We can use semantic web technologiesWe can use semantic web technologies
  5. 5. 5 RDF and Open Linked Data, a first approach – Tiziana Some introductory notesSome introductory notes Semantic web is often calledSemantic web is often called – Linked DataLinked Data – Open Linked DataOpen Linked Data – Linked Open Data (LOD)Linked Open Data (LOD) – the web of Linked Open Datathe web of Linked Open Data
  6. 6. 6 RDF and Open Linked Data, a first approach – Tiziana Web and semantic webWeb and semantic web  Web links pagesWeb links pages  Semantic web links dataSemantic web links data  Web is like a documentWeb is like a document  Semantic web is like a databaseSemantic web is like a database – RDF is the data format of the databaseRDF is the data format of the database – This database is independent from any applicationThis database is independent from any application  Web is for human beingsWeb is for human beings  Semantic web is for machinesSemantic web is for machines
  7. 7. 7 RDF and Open Linked Data, a first approach – Tiziana Advantage of linked dataAdvantage of linked data Linked data provides a single,Linked data provides a single, standardised access mechanismstandardised access mechanism – Linked data is a single worldwide APILinked data is a single worldwide API
  8. 8. 8 RDF and Open Linked Data, a first approach – Tiziana Advantage of semantic webAdvantage of semantic web technologiestechnologies Certain tasks can be carried out easierCertain tasks can be carried out easier with semantic web technologieswith semantic web technologies – RDF database + SPARQL = very powerfulRDF database + SPARQL = very powerful search capabilitiessearch capabilities
  9. 9. 9 RDF and Open Linked Data, a first approach – Tiziana Linked data from library perspectiveLinked data from library perspective Libraries can share data in a non libraryLibraries can share data in a non library centric waycentric way Libraries can share their data in a webLibraries can share their data in a web friendly wayfriendly way Library’s data can be meaningful in aLibrary’s data can be meaningful in a new contextnew context
  10. 10. 10 RDF and Open Linked Data, a first approach – Tiziana The role of libraries in building theThe role of libraries in building the semantic websemantic web The libraries have to publish their dataThe libraries have to publish their data on the semantic webon the semantic web Software developers have to developSoftware developers have to develop applications that use the (published)applications that use the (published) semantic datasemantic data Libraries can use semantic webLibraries can use semantic web technologies, applications to solvetechnologies, applications to solve certain tasks more efficientlycertain tasks more efficiently Library vendors can help on both sitesLibrary vendors can help on both sites
  11. 11. 11 RDF and Open Linked Data, a first approach – Tiziana Libraries publishing linked dataLibraries publishing linked data Entire libraryEntire library – LIBRISLIBRIS – National Széchényi Library (NSZL)National Széchényi Library (NSZL)
  12. 12. 12 RDF and Open Linked Data, a first approach – Tiziana Libraries publishing linked dataLibraries publishing linked data Authority filesAuthority files – Library of CongressLibrary of Congress • Subject Headings in SKOS formatSubject Headings in SKOS format – Deutsche NationalbibliothekDeutsche Nationalbibliothek • Name authority and subject heading authorityName authority and subject heading authority in its on formatin its on format – VIAF (Virtual International Authority File)VIAF (Virtual International Authority File) • MARC based but also publishes data in FOAFMARC based but also publishes data in FOAF formatformat • NSZL is also participating in VIAFNSZL is also participating in VIAF
  13. 13. 13 RDF and Open Linked Data, a first approach – Tiziana Libraries within W3CLibraries within W3C W3C Library Linked Data Incubator GroupW3C Library Linked Data Incubator Group – http://www.w3.org/2005/Incubator/lld/http://www.w3.org/2005/Incubator/lld/ – ChairsChairs • Tom BakerTom Baker • Emmanuelle BermesEmmanuelle Bermes • Antoine IsaacAntoine Isaac
  14. 14. 14 RDF and Open Linked Data, a first approach – Tiziana Semantic web applicationSemantic web applicationss Semantic searchSemantic search
  15. 15. 15 RDF and Open Linked Data, a first approach – Tiziana Semantic web applicatonsSemantic web applicatons
  16. 16. 17 RDF and Open Linked Data, a first approach – Tiziana Semantic web applicationsSemantic web applications works showing matching personworks showing matching person works showing locationworks showing location works showing conceptworks showing concept works titledworks titled works created fromworks created from works with matching locationworks with matching location works showing a more specific locationworks showing a more specific location
  17. 17. 18 RDF and Open Linked Data, a first approach – Tiziana VocabulariesVocabularies  Dublin Core (Dublin Core (DCDC) defines general metadata) defines general metadata attributes. See also their new domains and rangesattributes. See also their new domains and ranges draft.draft.  Friend-of-a-Friend (Friend-of-a-Friend (FOAFFOAF), vocabulary for), vocabulary for describing people.describing people.  Simple Knowledge Organization System (Simple Knowledge Organization System (SKOSSKOS),), vocabulary for representing taxonomies andvocabulary for representing taxonomies and loosely structured knowledge.loosely structured knowledge.  Bibliographic Ontology (Bibliographic Ontology (BIBOBIBO))  Expression of Core FRBR Concepts in RDFExpression of Core FRBR Concepts in RDF
  18. 18. 19 RDF and Open Linked Data, a first approach – Tiziana Linked data in ADLUG’sLinked data in ADLUG’s 2008 Venice: First steps towards2008 Venice: First steps towards publishing library data on the semanticpublishing library data on the semantic webweb 2009 Bilbao: Semantic web tutorial2009 Bilbao: Semantic web tutorial 2009 Bilbao: Using Cool URI’s as2009 Bilbao: Using Cool URI’s as permalinkpermalink ADLUG is a leader of spreading theADLUG is a leader of spreading the idea of semantic web in librariesidea of semantic web in libraries
  19. 19. adam@oszk.huadam@oszk.hu Thank you for your attentionThank you for your attention

Editor's Notes

  • This user no longer visits the physical library as his primary source of information
  • transformation of the library’s public catalog from a stand-alone database of bibliographic records to a highly hyperlinked data set that can interact with information resources on the World Wide Web. Karen Coyle
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >
  • By the way, Adam, I'd also like to seize the opportunity to invite you to consider
    participation this Library Linked Data effort. Your library has done work of premium
    importance for the field, it would be interesting to have you around.
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >
  • Dear Mr. Horvath,
    Thanks, the links do work now. Nice work!
    We matched our records to the LCSH in a different project (called "MACS") 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:
    <?xml version="1.0" encoding="UTF-8"?>
    <!-- Contents from database Work -->
    ...
    <add>
    <doc>
    <field name="id">MACS0000001</field>
    <field name="SWD">Schauspielkunst</field>
    <field name="SWD_number">4129090-2</field>
    <field name="RAMEAU">Art dramatique</field>
    <field name="RAMEAU_number">FRBNF11930966X</field>
    <field name="LCSH">Acting</field>
    <field name="LCSH_number">sh 85000691</field>
    </doc>
    ...
    </add>
    Would that be at all useful to you?
    Best regards
    Jan Hannemann
    >-----Ursprüngliche Nachricht-----
    >Von: HORVATH Adam [mailto:adam@oszk.hu]
    >Gesendet: Montag, 10. Mai 2010 15:59
    >An: Hannemann, Jan
    >Cc: Hauser, Julia; Haffner, Alexander
    >Betreff: Re: NSZL on the semantic web / DNB on the semantic web
    >
    >Dear Mr Hannemann,
    >
    >Thanks you for your reaction. The link should work now (I tried a
    >minute ago).
    >
    >I studied your examples. You have very nice, detailed authority
    >records. I like that you show the html representation in your
    >catalogue.
    >
    >How did you manage to match your subject heading with the LCSH
    >subject heading? What was the input for the matching? Can one have a
    >file containing all the skosified LCSH subject heading, which is
    >frely available?
    >
    >We plan to improve our bibliographic data with the bibo schema, to
    >create a sitemap to our linked data and to do some frbrization based
    >on our semantic data stored in Jena.
    >
    >If you can see any possible cooperation in the future please let us
    >know.
    >
    >Best regards
    >Adam Horvath
    >
    >
    >
    >
    >
    >Subject:NSZL on the semantic web / DNB on the semantic web
    >Date sent:Mon, 10 May 2010 11:04:44 +0200
    >From:"Hannemann, Jan" <[email_address]>
    >To:<[email_address]>
    >Copies to:"Hauser, Julia" <[email_address]>,
    >"Haffner, Alexander" <[email_address]>
    >
    >> Dear Mr. Horvath,
    >>
    >> I am from the German National Library and have heard about your recent
    >> publication of your bibliographic information as linked open data.
    >> Please let me congratulate you on this important accomplishment!
    >>
    >> Incidentally, we have also just completed our first linked data
    >> project. In this first step we have published large parts of our
    >> authority files as linked data; a follow-up project is currently being
    >> planned. Perhaps it will be possible to benefit from each others
    >> efforts and experiences.
    >>
    >> At first glance, it seems that the projects are quite similar;
    >> apprarently we have chosen different naming schemes for out URIs, but
    >> that difference is cosmetic at best. Currently, out service only
    >> offers the usual XML/RDF representation; MARC and other formats might
    >> be added in the future. We also have content negotiation for the
    >> RDF/XML and HTML representations of the data. The main difference is
    >> apparently in the data modelling and ontologies used.
    >>
    >> By the way, some of the URLs in your slides don't seem to work, such
    >> as http://nektar.oszk.hu/resource/auth/33589 (slide 17). The default
    >> SPARQL queries return errors (HTTP Status 500 -
    >> com.hp.hpl.jena.shared.JenaException: Exception during database
    >> access).
    >>
    >> We would like to invite you to take a look at our service.
    >> Unfortunately, the documentation (https://wiki.d-nb.de/display/LDS) is
    >> available only in German at the moment.
    >>
    >> Here's a brief English overview of the features:
    >>
    >> - The services comprises authority file data about 1,8 million persons
    >> (from Name Authority File PND), 160.000 subject headings (from Subject
    >> Headings Authority File SWD) and about 1.3 million corporate bodies
    >> (from Comporate Body Authority File GKD). - The data modelling has
    >> been refined compared to an earlier prototype (March 2010). - We've
    >> added additional links to external data sources, in particular from
    >> our SWD to appropriate data at LCSH and RAMEAU. - The service is now
    >> integrated into our web presence; a special test environment that we
    >> used before is no longer needed.
    >>
    >> These examples illustrate our work:
    >>
    >> - The German author Bertolt Brecht (http://d-nb.info/gnd/118514768)
    >> has the following XML/RDF representation:
    >> http://d-nb.info/gnd/118514768/about - The Subject Heading for
    >> "Führungskraft" ("Executive" or "Cadres (personnel)") is found here:
    >> http://d-nb.info/gnd/4071497-4 - The associated XML/RDF representation
    >> can be found here: http://d-nb.info/gnd/4071497-4/about
    >>
    >> The next step for us is planning a follow-up project that will improve
    >> the technical infrastructure, develop automatic update mechanisms and
    >> expand the data we represent.
    >>
    >> We are looking forward to your feedback.
    >>
    >> Best regards,
    >>
    >> Jan Hannemann
    >>
    >>
    >> _______________________________________
    >>
    >> Dr. Jan Hannemann
    >> Deutsche Nationalbibliothek
    >> Informationstechnik
    >> Adickesallee 1
    >> D-60322 Frankfurt am Main
    >> Telefon: +49-69-1525-1769
    >> Telefax: +49-69-1525-1799
    >>
    >>
    >>
    >

×