Swissbib Goes Linked Data linked.swissbib.ch SWIB 2016 Felix Bensmann – GESIS Leibniz Institute for the Social Sciences Nicolas Prongué – University of Applied Sciences HEG Genève Mara Hellstern – University of Applied Sciences HTW Chur Philipp Kuntschik – University of Applied Sciences HTW Chur
Context of the project Swissbib classic www.swissbib.ch • ~21 Mio. records • from 15 library networks • includes digital repositories Felix Bensmann, Nicolas Prongué
linked.swissbib.ch Objective : make swissbib Linked Data compatible create an open interface for computer clients (RESTful API) create an improved interface with Linked Data for end users Project duration : November 2014 – April 2017 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 Technology in use: Data formats in use: • Search: ElasticSearch • Native CBS • Data conversion: Metafacture • MARC21 XML • Linking: LIMES • JSON-LD • REST: Hydra • N-Triples • Presentation: VuFind • Native ES Search index http://
Architecture Technology in use: Data formats in use: • Search: ElasticSearch • Native CBS • Data conversion: Metafacture • MARC21 XML • Linking: LIMES • JSON-LD • REST: Hydra • N-Triples • Presentation: VuFind • Native ES Search CBS index MARC http://
Architecture Technology in use: Data formats in use: • Search: ElasticSearch • Native CBS • Data conversion: Metafacture • MARC21 XML • Linking: LIMES • JSON-LD • REST: Hydra • N-Triples • Presentation: VuFind • Native ES Metafacture Bib. Resource Search Document CBS Item index Organisation MARC http:// Person
Architecture Technology in use: Data formats in use: • Search: ElasticSearch • Native CBS • Data conversion: Metafacture • MARC21 XML • Linking: LIMES • JSON-LD • REST: Hydra • N-Triples • Presentation: VuFind • Native ES Metafacture Bib. Resource Search Document CBS Item index Organisation MARC Interlinking and http:// Person enrichment
Linked Data User Interface ● Examples, state-of-the-art ● Prototyping ● User tests ● Authors, works, subjects ● Search and autosuggest data.bnf.fr, datos.bne.es, ● Links to external pages bnb.data.bl.uk, deutsche- digitale-bibliothek.de, ● Display of additional information lobid.org/nwbib, ● Balancing performance and LOD libris.kb.se, worldcat.org, kulttuurisampo.fi, • ElasticSearch europeana.eu, • Background operations 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 Swissbib DBpedia VIAF Felix Bensmann, Nicolas Prongué
Interlinking and enrichment Divide et impera: Exhaustive preprocessing Swissbib DBpedia VIAF Felix Bensmann, Nicolas Prongué
Interlinking and enrichment Sorting • Shaping • Alignment Blocking • Workload Felix Bensmann, Nicolas Prongué
Interlinking and enrichment Divide et impera: Exhaustive preprocessing • Import • Sort all data • Shape away all unused data • Block • Link (2x) Swissbib DBpedia VIAF • Enrich (2x) Felix Bensmann, Nicolas Prongué
Interlinking and enrichment Divide et impera: Exhaustive preprocessing • Import • Sort all data • Shape away all unused data • Block • Link (2x) Swissbib DBpedia VIAF • Enrich (2x) Daily updates Felix Bensmann, Nicolas Prongué
Licence negotiations 03.03.2015 "Open Data Call" 69% decision in principle for a CC0-licence 13.06.2016 Open Bibliographical Data Workshop 30.11.2016 decision for CC0 85% 69% official online declaration 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 • GitHub https://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
Thank you Felix Bensmann Nicolas Prongué Research Associate Research Assistant GESIS – Leibniz Institute for the Social University of Applied Sciences Sciences HEG Genève felix.bensmann@gesis.org nicolas.prongue@hesge.ch www.gesis.org www.hesge.ch/heg/ Felix Bensmann, Nicolas Prongué
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