The European Library Open Dataset

RDF Statistics for the dataset "WWI Collection of the National Digital Library of Portugal"

Content Statistics


Introduction

This document provides some statistical information regarding the usage of data elements in the dataset and the links to external datasets. For detailed information regarding the data elements used for The European Library Open Dataset, please consult the document: “ Linked Data at The European Library: Data Model and Vocabularies ”.


Usage of classes

The following table presents how many instances of each class exist in the dataset.


Class URI Number of RDF Triples
Web Resource http://www.europeana.eu/schemas/edm/WebResource 606
Place http://iflastandards.info/ns/fr/frbr/frbrer/C1010 600
Corporate Body http://rdaregistry.info/Elements/c/C10005 474
Person http://rdaregistry.info/Elements/c/C10004 465
Concept http://iflastandards.info/ns/fr/frbr/frbrer/C1007 364
Bibliographic Resource http://purl.org/dc/terms/BibliographicResource 307
Agent http://rdaregistry.info/Elements/c/C10002 101
Time Span http://www.europeana.eu/schemas/edm/TimeSpan 84
Event http://iflastandards.info/ns/fr/frbr/frbrer/C1009 35
Media Type Or Extent http://purl.org/dc/terms/MediaTypeOrExtent 3

Usage of properties

The following table presents how many triples exist in the dataset for all the properties used.


Property URI Number of RDF Triples
rights http://purl.org/dc/terms/rights 1,212
subject http://purl.org/dc/terms/subject 891
sameAs http://www.w3.org/2002/07/owl#sameAs 872
format http://purl.org/dc/terms/format 779
label http://www.w3.org/2000/01/rdf-schema#label 705
placeOfPublication http://rdaregistry.info/Elements/u/P60163 597
identifierForThePerson http://rdaregistry.info/Elements/a/P50094 465
nameOfThePerson http://rdaregistry.info/Elements/a/P50111 465
nameOfTheCorporateBody http://rdaregistry.info/Elements/a/P50032 428
dateOfBirth http://rdaregistry.info/Elements/a/P50121 414
intendedAudience http://rdaregistry.info/Elements/u/P60520 389
dateOfDeath http://rdaregistry.info/Elements/a/P50120 384
dateOfPublication http://rdaregistry.info/Elements/u/P60073 373
languageOfTheContent http://rdaregistry.info/Elements/u/P60099 307
Is Shown At http://www.europeana.eu/schemas/edm/isShownAt 303
object http://www.europeana.eu/schemas/edm/object 303
titleProper http://rdaregistry.info/Elements/m/P30156 303
modeOfIssuance http://rdaregistry.info/Elements/m/P30003 303
provenance http://purl.org/dc/terms/provenance 303
wholePartResourceRelationshipWith http://rdaregistry.info/Elements/u/P60714 303
contentType http://rdaregistry.info/Elements/u/P60049 302
extent http://purl.org/dc/terms/extent 298
publisher http://rdaregistry.info/Elements/u/P60444 298
nameOfThePlace http://rdaregistry.info/Elements/u/P60366 296
statementOfResponsibility http://rdaregistry.info/Elements/u/P60339 285
noteOnResource http://rdaregistry.info/Elements/u/P60470 248
identifier http://purl.org/dc/terms/identifier 245
abstract http://purl.org/dc/terms/abstract 231
formerOwner http://rdaregistry.info/Elements/u/P60401 213
contributor http://rdaregistry.info/Elements/u/P60398 193
creator http://rdaregistry.info/Elements/u/P60447 192
longitude http://www.w3.org/2003/01/geo/wgs84_pos#long 133
latitude http://www.w3.org/2003/01/geo/wgs84_pos#lat 133
nameOfTheAgent http://rdaregistry.info/Elements/u/P60368 101
begin http://www.europeana.eu/schemas/edm/begin 84
end http://www.europeana.eu/schemas/edm/end 81
Alternative Title http://purl.org/dc/terms/alternative 78
Has Part http://purl.org/dc/terms/hasPart 57
periodOfActivityOfThePerson http://rdaregistry.info/Elements/a/P50098 40
Table Of Contents http://purl.org/dc/terms/tableOfContents 33
author http://rdaregistry.info/Elements/u/P60434 19
description http://purl.org/dc/terms/description 14
donor http://rdaregistry.info/Elements/u/P60091 12
director http://rdaregistry.info/Elements/u/P60449 12
seriesStatement http://rdaregistry.info/Elements/u/P60328 10
titleOfThePerson http://rdaregistry.info/Elements/a/P50110 7
translationOf http://rdaregistry.info/Elements/u/P60244 4
photographer http://rdaregistry.info/Elements/u/P60429 3
titleOfTheWork http://rdaregistry.info/Elements/w/P10088 3
editor http://rdaregistry.info/Elements/u/P60393 2
editionStatement http://rdaregistry.info/Elements/m/P30107 1
otherDetailsOfCartographicContent http://rdaregistry.info/Elements/u/P60498 1
lyricist http://rdaregistry.info/Elements/u/P60477 1
translator http://rdaregistry.info/Elements/u/P60385 1
compiler http://rdaregistry.info/Elements/u/P60428 1
mediaType http://rdaregistry.info/Elements/u/P60050 1
illustrator http://rdaregistry.info/Elements/u/P60396 1

Usage of data types

The following table presents how many triples exist in the dataset which use specified RDF data types.


RDF Data Type Number of RDF Triples
http://purl.org/dc/terms/URI 909
http://www.w3.org/2001/XMLSchema#dateTime 606
http://purl.org/dc/terms/UDC 532
http://rdvocab.info/termList/ModeIssue 303

Existing links to external LOD datasets

The dataset is linked to external datasets of different kinds which are published as linked open data. The following tables presents existing to published subject heading systems, classification systems, ontologies and other datasets.


Subject Heading Systems

Subject Heading System Language Number of RDF triples
Library of Congress Subject Headings English 0
Rameau (data.bnf.fr) French 0
Gemeinsame Normdatei German 0
Library of Congress Children’s Subject Headings English 0

Classification Systems

Classification System Number of RDF triples
Library of Congress Classification 0
Dewey Decimal Classification 0

Other datasets and ontologies

Dataset/Ontology Number of RDF triples
ISO639-2 Languages 307
MARC Countries 303
Geonames 133
VIAF Virtual Union Authority File 0

Contact

We welcome feedback, and are particularly keen to hear about applications of the dataset, and requests for improvement. Your feedback will contribute to guide our future work.

Questions and requests about linked open data at The European Library may be sent by email to info@theeuropeanlibrary.org , or on twitter @europeanlibrary