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Swissbib Goes Linked Datalinked.swissbib.ch
SWIB 2016
Felix Bensmann – GESIS Leibniz Institute for the Social SciencesNicolas Prongué – University of Applied Sciences HEG Genève
Mara Hellstern – University of Applied Sciences HTW ChurPhilipp Kuntschik – University of Applied Sciences HTW Chur
Context of the project
Swissbib classic• ~21 Mio. records• from 15 library
networks• includes digital
repositories
www.swissbib.ch
Felix Bensmann, Nicolas Prongué
linked.swissbib.ch
Objective : make swissbib Linked Data compatible
Project duration : November 2014 – April 2017
create an open interface for computer clients (RESTful API)
create an improved interface with Linked Data for end users
Felix Bensmann, Nicolas Prongué
Partners
Felix Bensmann, Nicolas Prongué
What we have now...
What we have now...
What we have now...
What we have now...
Architecture
http://
Searchindex
Technology in use:• Search: ElasticSearch• Data conversion: Metafacture• Linking: LIMES• REST: Hydra• Presentation: VuFind
Data formats in use:• Native CBS• MARC21 XML• JSON-LD• N-Triples• Native ES
Architecture
CBS
http://
MARC
Searchindex
Technology in use:• Search: ElasticSearch• Data conversion: Metafacture• Linking: LIMES• REST: Hydra• Presentation: VuFind
Data formats in use:• Native CBS• MARC21 XML• JSON-LD• N-Triples• Native ES
Architecture
CBS
http://
MARC
Searchindex
Bib. ResourceDocumentItemOrganisation
Person
Metafacture
Technology in use:• Search: ElasticSearch• Data conversion: Metafacture• Linking: LIMES• REST: Hydra• Presentation: VuFind
Data formats in use:• Native CBS• MARC21 XML• JSON-LD• N-Triples• Native ES
Architecture
CBS
http://
MARC
Interlinking and
enrichment
Searchindex
Bib. ResourceDocumentItemOrganisation
Person
Metafacture
Technology in use:• Search: ElasticSearch• Data conversion: Metafacture• Linking: LIMES• REST: Hydra• Presentation: VuFind
Data formats in use:• Native CBS• MARC21 XML• JSON-LD• N-Triples• Native ES
Linked Data User Interface
● Examples,state-of-the-art
● Prototyping● User tests● Authors, works, subjects● Search and autosuggest● Links to external pages● Display of additional information● Balancing performance and LOD
• ElasticSearch• Background operations
data.bnf.fr, datos.bne.es, bnb.data.bl.uk, deutsche-digitale-bibliothek.de, lobid.org/nwbib, libris.kb.se, worldcat.org, kulttuurisampo.fi, europeana.eu, theeuropeanlibrary.org, dp.la, e-culture.multimedian.nl
Interlinking and enrichment
Swissbib
Felix Bensmann, Nicolas Prongué
Interlinking and enrichment
Swissbib DBpedia
Felix Bensmann, Nicolas Prongué
Interlinking and enrichment
VIAFSwissbib DBpedia
Felix Bensmann, Nicolas Prongué
Interlinking and enrichment
VIAFSwissbib DBpedia
Divide et impera: Exhaustive preprocessing
Felix Bensmann, Nicolas Prongué
Interlinking and enrichment
Sorting• Shaping• Alignment
Blocking• Workload
Felix Bensmann, Nicolas Prongué
Interlinking and enrichment
VIAFSwissbib DBpedia
Divide et impera: Exhaustive preprocessing• Import• Sort all data• Shape away all unused data• Block• Link (2x)• Enrich (2x)
Felix Bensmann, Nicolas Prongué
Interlinking and enrichment
VIAFSwissbib DBpedia
Daily updates
Divide et impera: Exhaustive preprocessing• Import• Sort all data• Shape away all unused data• Block• Link (2x)• Enrich (2x)
Felix Bensmann, Nicolas Prongué
Licence negotiations
03.03.2015 "Open Data Call"
decision in principle for a CC0-licence
13.06.2016 Open Bibliographical Data Workshop
30.11.2016 decision for CC0
official online declaration
69%
85%
69%
Felix Bensmann, Nicolas Prongué
Outlook
What remains to be done• persistent identifiers for the metacatalog• shift into a productive service within the swissbib
environment• interlinking with additional datasets• inclusion of authority files from Swiss institutions• optimization of linking precision and processes
Felix Bensmann, Nicolas Prongué
More about linked.swissbib.ch
• GitHubhttps://github.com/linked-swissbib
• The series "Swissbib data goes linked": parts 1-4 (fr/de)http://swissbib.blogspot.ch/2016/04/swissbib-data-goes-linked-teil-1.html
Felix Bensmann, Nicolas Prongué
Nicolas PronguéResearch AssistantUniversity of Applied Sciences HEG Genève
www.hesge.ch/heg/
Felix BensmannResearch AssociateGESIS – Leibniz Institute for the Social Sciences [email protected] www.gesis.org
Thank you
Felix Bensmann, Nicolas Prongué
