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Linked Digital Collection "Rainis and Aspazija"

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Slides for a lightning talk about http://runa.lnb.lv at #ELAG2017 - 2016.06.09 - Athens, Greece.

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Linked Digital Collection "Rainis and Aspazija"

  1. 1. “Rainis and Aspazija” Linked Digital Collection ( of Latvian Cultural Heritage ) Uldis Bojārs uldis.bojars@gmail.com ESWC 2017 – Athens, Greece – 09.06.2017
  2. 2. Rainis and Aspazija • Creative Personalities • Public Figures • Opinion leaders Project motivation: 150th anniversary of Rainis and Aspazija (2015)
  3. 3. Linked Data pilot project • Linked [Digital] Collection – a collection of interlinked objects • Diverse, multi-format content – Personal correspondence (annotated) – Literary works – Posters, archive documents – Audio / video http://runa.lnb.lv
  4. 4. Poets' correspondence • 35 years of letters between Rainis & Aspazija • ... covering important stages of Latvian history and cultural development • ... included in the Latvian register of the UNESCO “Memory of the World” program. Note: the pilot project contains a subset of early correspondence between the poets.
  5. 5. *Linked* Digital Collection • Let's add links! – Between collection objects and the entities [somehow] related to them • Named entity annotations – Letters = transcribed & with expert comments – Marked mentions of all entities that could be identified in text (manual annotation) – Entity information (pages) added to the collection
  6. 6. Linked Data • HTTP URIs – Objects link to others objects • Linked Data interface: – Object information -> RDF – HTTP content negotiation – RDF autodiscovery links
  7. 7. Where are the links? • from R&A objects: – to *entities* mentioned in annotations • entity objects: 10x more than the original objects – to related R&A objects – to Digit. Obj. management (DOM) system URIs • from R&A annotation entities: – to R&A objects that refer to them – external links (both to RDF and HTML)
  8. 8. <http://runa.lnb.lv/60316/> a bibo:Document ; dct:title "Raiņa vēstule Aspazijai Rīgā, 1894. gada [...]"@lv ; dct:language <http://id.loc.gov/vocabulary/iso639-2/lav> ; dct:creator <http://runa.lnb.lv/lnc04-000030988/> ; bibo:recipient <http://runa.lndb.lv/lnc04-000123642/> ; dct:subject <http://dom.lndb.lv/data/auth/209746> ; dct:spatial <http://dom.lndb.lv/data/auth/121539> ; dct:abstract "Vēstules transkribētais teksts, komentēts.; Sastādītājs un komentāru autors Jānis Zālītis. Redaktore Sandra Zobena."@lv ; foaf:depiction <http://runa.lnb.lv/ftp_files/60312/60312.png> ; bibo:owner <http://dom.lndb.lv/data/clas/locationorganization#737> ; dct:hasPart <http://dom.lndb.lv/data/obj/file/268846.xml> ; owl:sameAs <http://dom.lndb.lv/data/obj/60316/> .
  9. 9. <http://runa.lnb.lv/60316/> bibo:annotates <http://runa.lnb.lv/60312/> . <http://runa.lnb.lv/60316/> dc:references <http://runa.lnb.lv/LNC10-000003165/> ; # [...] Not shown here: • Object metadata also expressed using Schema.org RDF vocabularies used: • Bibo (Document, Letter, ...) • Dublin Core • Schema.org • SKOS, FOAF, ...
  10. 10. 17 Worldwide sources of authority data Object Institution Place Work Person Concept Event Entities etc. etc. etc. etc. Time Concept Time etc. Future Plans:
  11. 11. Linked Digital Collection “Rainis and Aspazija” • A diverse collection, various types of content • Object annotations – additional links between objects • Linked Data interface – links to objects in other Linked Data systems Bojārs U. Case Study: Towards a Linked Digital Collection of Latvian Cultural Heritage. http://ceur-ws.org/Vol-1608/paper-04.pdf

Editor's Notes

  • Poets, leading Latvian creative personalities un public figures of their time.
  • A worthwhile topic for a pilot project
    a collection where links [between objects] and the diversity of content play an important role
    > ~500 objects
  • Main page about Aspazija
  • An example object page (a photo in this case) -> thumbnail, metadata (URI, links to DOM), RDF buttons
  • Poets’ correspondence spanned 35 years, covering essential stages of Latvian history and culture development. It has been included in the Latvian national register of the UNESCO “Memory of the World” programme.

    Meticulously transcribed and annotated
  • The rich interlinked structure of the collection. It is links between the objects that make it different and interesting to explore.
  • Entities: works (poems, periodicals, …), people, organizations, events, …
  • NLL's authority data not sufficient:
    - lack of Work/Expression authority data
    - abstract entities/subjects
  • ×