Swissbib Goes Linked Data linked.swissbib.ch SWIB 2016 Felix - - PowerPoint PPT Presentation

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Swissbib Goes Linked Data linked.swissbib.ch SWIB 2016 Felix - - PowerPoint PPT Presentation

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Swissbib Goes Linked Data linked.swissbib.ch SWIB 2016 Felix Bensmann GESIS Leibniz Institute for the Social Sciences Nicolas Prongu University of Applied Sciences HEG Genve Mara Hellstern University of Applied Sciences HTW Chur

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SLIDE 1

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

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SLIDE 2

Context of the project

Swissbib classic

  • ~21 Mio. records
  • from 15 library

networks

  • includes digital

repositories

www.swissbib.ch

Felix Bensmann, Nicolas Prongué

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SLIDE 3

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

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SLIDE 4

Partners

Felix Bensmann, Nicolas Prongué

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SLIDE 5

What we have now...

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SLIDE 6

What we have now...

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SLIDE 7

What we have now...

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SLIDE 8

What we have now...

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SLIDE 9

Architecture

http://

Search index

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
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SLIDE 10

Architecture

CBS

http:// MARC

Search index

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
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SLIDE 11

Architecture

CBS

http:// MARC

Search index

  • Bib. Resource

Document Item Organisation 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
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SLIDE 12

Architecture

CBS

http:// MARC

Interlinking and enrichment

Search index

  • Bib. Resource

Document Item Organisation 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
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SLIDE 13

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

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SLIDE 14

Interlinking and enrichment

Swissbib

Felix Bensmann, Nicolas Prongué

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SLIDE 15

Interlinking and enrichment

Swissbib DBpedia

Felix Bensmann, Nicolas Prongué

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SLIDE 16

Interlinking and enrichment

VIAF Swissbib DBpedia

Felix Bensmann, Nicolas Prongué

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SLIDE 17

Interlinking and enrichment

VIAF Swissbib DBpedia

Divide et impera: Exhaustive preprocessing

Felix Bensmann, Nicolas Prongué

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SLIDE 18

Interlinking and enrichment

Sorting

  • Shaping
  • Alignment

Blocking

  • Workload

Felix Bensmann, Nicolas Prongué

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SLIDE 19

Interlinking and enrichment

VIAF Swissbib DBpedia

Divide et impera: Exhaustive preprocessing

  • Import
  • Sort all data
  • Shape away all unused data
  • Block
  • Link (2x)
  • Enrich (2x)

Felix Bensmann, Nicolas Prongué

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SLIDE 20

Interlinking and enrichment

VIAF Swissbib 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

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SLIDE 21

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

  • fficial online declaration

69% 85% 69%

Felix Bensmann, Nicolas Prongué

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SLIDE 22

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

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SLIDE 23

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

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SLIDE 24

Nicolas Prongué Research Assistant University of Applied Sciences HEG Genève nicolas.prongue@hesge.ch www.hesge.ch/heg/ Felix Bensmann Research Associate GESIS – Leibniz Institute for the Social Sciences felix.bensmann@gesis.org www.gesis.org

Thank you

Felix Bensmann, Nicolas Prongué