co-funded by the European Union

JudaicaLinkLinked Data from Jewish Encyclopediae

Dr. Kai EckertData and Web Science Group

University of Mannheim, Germany

The DM2E Project

JudaicaLink: Linked Data from Jewish Encyclopediae 220.01.2015

WP 1

WP 2

WP 3

JudaicaLink in the LOD Cloud

JudaicaLink: Linked Data from Jewish Encyclopediae 320.01.2015

"Staff"

JudaicaLink: Linked Data from Jewish Encyclopediae 420.01.2015

Dov Winer

European Association

of Jewish Culture

Domain Expert

Networking and outreach

Kai Eckert

Data and Web Science

University of Mannheim

Linked Data Expert

Implementation and research

Dbpedia inspired

JudaicaLink: Linked Data from Jewish Encyclopediae 520.01.2015

The YIVO Encyclopedia

JudaicaLink: Linked Data from Jewish Encyclopediae 620.01.2015

What data can we find?

• A title

• Describing text

• Links in texts"Surface form" Concept

• Pictures

• Description of pictures

JudaicaLink: Linked Data from Jewish Encyclopediae 720.01.2015

More data?

• Subconcept relations

Minsk article links to"Poland before 1795" calling it"Polish-Lithuanian Commonwealth".

"Polish-Lithuanian Commonwealth"is a subsection of "Poland before 1795"in the main article "Poland".

• So is "Demography"… first levelof subsections seem to work better assubconcepts, but not very reliable.

JudaicaLink: Linked Data from Jewish Encyclopediae 820.01.2015

How do we get the data?

• https://github.com/kaiec/judaicalink-crawler

• Node.js based crawling scripts written in CoffeeScript:

JudaicaLink: Linked Data from Jewish Encyclopediae 920.01.2015

Access to HTML via jQuery

JudaicaLink: Linked Data from Jewish Encyclopediae 1020.01.2015

Intermediate JSON representation

JudaicaLink: Linked Data from Jewish Encyclopediae 1120.01.2015

And finally: RDF and Linked Data

JudaicaLink: Linked Data from Jewish Encyclopediae 1220.01.2015

BacklinksSame As Links

Alternative Labels

Encyclopedia on Russian Jewry

• Articles in Russian (about 20.000! Yivo: 2.300)

• No images

• Less links (~ 1.5 per article, Yivo: > 10!)

JudaicaLink: Linked Data from Jewish Encyclopediae 1320.01.2015

Upcoming: Das Jüdische Hamburg

• Articles in German (261)

JudaicaLink: Linked Data from Jewish Encyclopediae 1420.01.2015

Interlinking

• So far only preliminary links have been created.

• Very simple, label-based approach.

• Exploiting Dbpedia's multilinguality.

JudaicaLink: Linked Data from Jewish Encyclopediae 1520.01.2015

"Minsk" "Минск"

"Минск" @ru

"Minsk" @en

What can we do with the data?

• JudaicaLink is an alternative source for authority data: Persons, Locations, Subjects.

• We are in contact with potential linking partners:– Europeana,– the German National Library and– the National Library of Israel.

• The German National Library started to include data fromthird-parties (like JudaicaLink) into the GND.

• Most promising for a successful "match&merge": Persons.

JudaicaLink: Linked Data from Jewish Encyclopediae 1620.01.2015

БЕЛЯВИН Евель Самуилович (1920, Борисов Минской губ. – 1972, Минск),

Nathan, Samson PhilipPädagoge und Rabbiner, geb. 13.1.1820 Hamburg, gest. 31.10.1905 Hamburg

(1754–1800), maskil and

philosopher. Salomon Maimon

(Shelomoh ben Yehoshu‘a) was born

and raised

What else, what's next?

• We are looking for funding!

• Generate links from scholarly content to JudaicaLink(Grant proposal submitted together with JSTOR).

• Generate links with other data resources and betweenthe encyclopediae (ongoing research).

• And of course: find more encyclopediae or similarcontent to generate Linked Data from.

JudaicaLink: Linked Data from Jewish Encyclopediae 1720.01.2015

Thank you.

JudaicaLink: Linked Data from Jewish Encyclopediae 1820.01.2015