Verrijkt Koninkrijk presentation for DBPedia community meeting

Verrijkt Koninkrijk

Victor de Boer v.de.boer@vu.nl

DBPedia Community Meeting 30-1-2014 VU Amsterdam

Het Koninkrijk der Nederlanden in de Tweede WereldoorlogHistory of German occupied Dutch society (1940-1945) Published 1969 - 1991 in 14 volumes, 30 parts, 18.000 pages

1. Digitization

2. Open Data

3. Enriched access with Linked Data

Verrijkt Koninkrijk

Step 1: Lou de Jong’s “Het Koninkrijk” was digitized and made available in a reusable format

Step 2: Named Entity Recognition and consolidation of the back-of-the-book index provide structured vocabularies with links into the text

country, collection, doc-type, volume, chapter, section, sub-section, paragraph

Back of the Book-index

botb:Amsterdamniod:botb-Blitzkrieg

niod:botb-Blitzkrieg

niod:hasParRef

botb:Blitzkrieg

Back-of-the-Book Index (SKOS)

http://resolver.verrijktkoninkrijk.nl/nl.vk.d.reg.4.1386

15.234 Concepts121.525 references to pages

entity:Maassluisentity:Amsterdam

niod:botb-Blitzkriegniod:botb-Blitzkrieg

niod

:has

ParR

ef

entity:Abraham Kuijper

Named Entity

Results

http://resolver.verrijktkoninkrijk.nl/nl.vk.d.reg.4.1386

88.249 Concepts364,924 references to pages

Named Entities (SKOS)

NER modules developed by UvA (xTas)

Verrijkt Koninkrijk

Step 3: Enrichment with Linked Data makes new ways of interaction and analysis possible

Back-of-the-Book index (SKOS) Named Entities (SKOS)

7

National-Socialist29%

Social-Democrat21%Protestant

13%

Liberal12%

R-Catholic12%

Com

munist8%

Jewish5%

http://semanticweb.cs.vu.nl/verrijktkoninkrijk/http://search.loedejongdigitaal.nl/

Results are links to paragraphs

Hackathon

Verrijkt Koninkrijk Triple Store (ClioPatria)

http://semanticweb.cs.vu.nl/verrijktkoninkrijk/http://search.loedejongdigitaal.nl/