The European Library Open Dataset

RDF Statistics for the dataset "Digital National 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 54,676
Place http://iflastandards.info/ns/fr/frbr/frbrer/C1010 49,468
Corporate Body http://rdaregistry.info/Elements/c/C10005 31,179
Bibliographic Resource http://purl.org/dc/terms/BibliographicResource 24,884
Person http://rdaregistry.info/Elements/c/C10004 23,251
Event http://iflastandards.info/ns/fr/frbr/frbrer/C1009 8,469
Agent http://rdaregistry.info/Elements/c/C10002 7,830
Time Span http://www.europeana.eu/schemas/edm/TimeSpan 5,817
Concept http://iflastandards.info/ns/fr/frbr/frbrer/C1007 2,206
Media Type Or Extent http://purl.org/dc/terms/MediaTypeOrExtent 331
Family http://rdaregistry.info/Elements/c/C10008 29

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
sameAs http://www.w3.org/2002/07/owl#sameAs 61,838
format http://purl.org/dc/terms/format 54,153
subject http://purl.org/dc/terms/subject 48,129
placeOfPublication http://rdaregistry.info/Elements/u/P60163 46,220
intendedAudience http://rdaregistry.info/Elements/u/P60520 39,882
label http://www.w3.org/2000/01/rdf-schema#label 35,471
dateOfPublication http://rdaregistry.info/Elements/u/P60073 33,928
nameOfTheCorporateBody http://rdaregistry.info/Elements/a/P50032 30,982
rights http://purl.org/dc/terms/rights 30,186
noteOnResource http://rdaregistry.info/Elements/u/P60470 28,890
contentType http://rdaregistry.info/Elements/u/P60049 27,472
provenance http://purl.org/dc/terms/provenance 26,557
nameOfThePlace http://rdaregistry.info/Elements/u/P60366 26,454
languageOfTheContent http://rdaregistry.info/Elements/u/P60099 25,388
publisher http://rdaregistry.info/Elements/u/P60444 24,630
titleProper http://rdaregistry.info/Elements/m/P30156 24,535
Is Shown At http://www.europeana.eu/schemas/edm/isShownAt 24,472
modeOfIssuance http://rdaregistry.info/Elements/m/P30003 24,420
object http://www.europeana.eu/schemas/edm/object 24,410
identifierForThePerson http://rdaregistry.info/Elements/a/P50094 23,175
nameOfThePerson http://rdaregistry.info/Elements/a/P50111 23,175
extent http://purl.org/dc/terms/extent 21,606
statementOfResponsibility http://rdaregistry.info/Elements/u/P60339 20,958
creator http://rdaregistry.info/Elements/u/P60447 18,532
dateOfBirth http://rdaregistry.info/Elements/a/P50121 14,397
identifier http://purl.org/dc/terms/identifier 13,102
dateOfDeath http://rdaregistry.info/Elements/a/P50120 11,635
nameOfTheAgent http://rdaregistry.info/Elements/u/P60368 7,830
Table Of Contents http://purl.org/dc/terms/tableOfContents 6,234
description http://purl.org/dc/terms/description 5,846
begin http://www.europeana.eu/schemas/edm/begin 5,808
end http://www.europeana.eu/schemas/edm/end 5,558
periodOfActivityOfThePerson http://rdaregistry.info/Elements/a/P50098 5,541
contributor http://rdaregistry.info/Elements/u/P60398 4,886
Alternative Title http://purl.org/dc/terms/alternative 4,793
abstract http://purl.org/dc/terms/abstract 4,338
printer http://rdaregistry.info/Elements/u/P60418 3,772
longitude http://www.w3.org/2003/01/geo/wgs84_pos#long 3,564
latitude http://www.w3.org/2003/01/geo/wgs84_pos#lat 3,564
identifierForTheCorporateBody http://rdaregistry.info/Elements/a/P50006 3,294
dateOfConferenceEtc http://rdaregistry.info/Elements/a/P50039 3,196
formerOwner http://rdaregistry.info/Elements/u/P60401 2,997
titleOfTheWork http://rdaregistry.info/Elements/w/P10088 2,364
titleOfThePerson http://rdaregistry.info/Elements/a/P50110 2,182
host http://rdaregistry.info/Elements/u/P60146 1,993
Has Part http://purl.org/dc/terms/hasPart 1,870
otherDetailsOfCartographicContent http://rdaregistry.info/Elements/u/P60498 1,786
author http://rdaregistry.info/Elements/u/P60434 1,334
seriesStatement http://rdaregistry.info/Elements/u/P60328 1,175
editor http://rdaregistry.info/Elements/u/P60393 767
editionStatement http://rdaregistry.info/Elements/m/P30107 437
translationOf http://rdaregistry.info/Elements/u/P60244 419
dissertationOrThesisInformation http://rdaregistry.info/Elements/u/P60489 397
photographer http://rdaregistry.info/Elements/u/P60429 372
translator http://rdaregistry.info/Elements/u/P60385 315
director http://rdaregistry.info/Elements/u/P60449 271
lithographer http://rdaregistry.info/Elements/u/P60414 252
illustrator http://rdaregistry.info/Elements/u/P60396 185
cartographer http://rdaregistry.info/Elements/u/P60425 175
seller http://rdaregistry.info/Elements/u/P60092 134
mediaType http://rdaregistry.info/Elements/u/P60050 133
degreeGrantingInstitution http://rdaregistry.info/Elements/u/P60060 122
binder http://rdaregistry.info/Elements/u/P60458 110
writerOfAddedText http://rdaregistry.info/Elements/u/P60380 110
dedicatee http://rdaregistry.info/Elements/u/P60455 90
wholePartResourceRelationshipWith http://rdaregistry.info/Elements/u/P60714 87
engraver http://rdaregistry.info/Elements/u/P60410 85
composer http://rdaregistry.info/Elements/u/P60426 78
compiler http://rdaregistry.info/Elements/u/P60428 72
degreeSupervisor http://rdaregistry.info/Elements/u/P60420 67
Date Accepted http://purl.org/dc/terms/dateAccepted 63
writerOfAddedCommentary http://rdaregistry.info/Elements/u/P60390 32
nameOfTheFamily http://rdaregistry.info/Elements/a/P50061 27
donor http://rdaregistry.info/Elements/u/P60091 25
inscriber http://rdaregistry.info/Elements/u/P60460 25
sponsoringBody http://rdaregistry.info/Elements/u/P60451 23
lyricist http://rdaregistry.info/Elements/u/P60477 21
continuedBy http://rdaregistry.info/Elements/u/P60306 18
addressee http://rdaregistry.info/Elements/u/P60456 18
arrangerOfMusic http://rdaregistry.info/Elements/u/P60379 18
continuationOf http://rdaregistry.info/Elements/u/P60576 15
recordingEngineer http://rdaregistry.info/Elements/u/P60395 13
librettist http://rdaregistry.info/Elements/u/P60478 11
commentator http://rdaregistry.info/Elements/u/P60151 11
artist http://rdaregistry.info/Elements/u/P60431 9
singer http://rdaregistry.info/Elements/u/P60156 4
annotator http://rdaregistry.info/Elements/u/P60464 4
Is Version Of http://purl.org/dc/terms/isVersionOf 3
bookDesigner http://rdaregistry.info/Elements/u/P60409 3
choreographer http://rdaregistry.info/Elements/u/P60433 3
producer http://rdaregistry.info/Elements/u/P60441 3
distributor http://rdaregistry.info/Elements/u/P60438 2
conductor http://rdaregistry.info/Elements/u/P60141 2
performer http://rdaregistry.info/Elements/u/P60387 2
audience http://purl.org/dc/terms/audience 1
continuedInPartBy http://rdaregistry.info/Elements/u/P60199 1
narrator http://rdaregistry.info/Elements/u/P60153 1
continuationInPartOf http://rdaregistry.info/Elements/u/P60276 1
designer http://rdaregistry.info/Elements/u/P60424 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://www.w3.org/2001/XMLSchema#dateTime 48,930
http://purl.org/dc/terms/UDC 46,767
http://rdvocab.info/termList/ModeIssue 24,420
http://purl.org/dc/terms/URI 5,721
http://purl.org/dc/terms/ISO3166 17

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 25,385
MARC Countries 23,010
Geonames 3,564
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