DBpedia Japanese

1. DBpedia Japanese Fumihiro Kato ROIS & LODI 2015-10-11 6th OpenGLAM JAPAN Symposium

2. DBpedia • Project: Research and Community • Dataset: RDF and Ontology • Service: Linked Data and SPARQL 2

3. Project

4. DBpedia Project • since 2007 • current status • datasets: in 125 languages • committers: almost in Europe • Github: https://github.com/dbpedia • ML: http://sourceforge.net/p/dbpedia/ mailman/ 4

5. DBpedia i18n chapters • subdomain to host Linked data and SPARQL services for each language • http://xx.dbpedia.org • 18 languages • hosted by volunteers • original datasets or datasets generated by a host 5

6. DBpedia Japanese • One of i18n chapters • Hub of resources in Japanese • Promotion of LOD to Japanese communities • Hosted by LODAC • http://ja.dbpedia.org 6

7. History • 9 May 2012 Published the 1st version • 30 Jun. 2012 Published the 1st IRI version • [ Occasional updates ] • 17 Jun. 2013 Added links to Japanese Wikipedia Ontology and WordNet-ja • 14 Jan. 2015 Published the latest version • 8 Jul. 2015 Added links to J-GLOBAL knowledge • 9 Oct. 2015 Added links to Geonames.jp (NEW!) 7

8. Dataset

9. DIEF: DBpedia Information Extraction Framework • Software to extract datasets from dumps of Wikipedia and other Wikimedia projects • with language-speciﬁc extractors and parsers https://github.com/dbpedia/extraction-framework 9

10. Infobox extraction Templates used in a entry DBpedia ontology mappings Extraction Mappings are used during an extraction process 10

11. DBpedia全体の処理 ref: D. Kontokostas et al. "Internationalization of Linked Data. The case of the Greek DBpedia edition." Journal of Web Semantics: Science, Services and Agents on the World Wide Web, vol. 15, No.3, Sep. 2012, pp.51-‐61 11

12. dbp-‐owl:AdministraSveRegion dbp:サイボーグ009 dbp-‐owl: ComicsCreator dbp:宮城県 dbp:石ノ森章太郎 rdfs:label rdf:type rdfs:label dbp-‐prop:生年 dbp-‐owl:notableWork dbp-‐owl:award dbp-‐owl:birthPlace rdf:type サイボーグ009 宮城県 foaf:Person 1938 石ノ森章太郎 rdf:type rdfs:label dbp:村井嘉浩 dbp-‐owl:leaderName Graph example dbp:手塚治虫文化賞 dbp-‐owl:Cartoon rdf:type 12

13. http://mappings.dbpedia.org/index.php/Mapping_ja13

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15. http://mappings.dbpedia.org/server/statistics/ja/15

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17. {{TemplateMapping | mapToClass = ComicsCreator | mappings = {{PropertyMapping | templateProperty = 名前 | ontologyProperty = foaf:name }} {{PropertyMapping | templateProperty = 本名 | ontologyProperty = foaf:name }} {{PropertyMapping | templateProperty = 生年 | ontologyProperty = birthYear }} {{PropertyMapping | templateProperty = 生地 | ontologyProperty = birthPlace }} {{PropertyMapping | templateProperty = 没年 | ontologyProperty = deathYear }} {{PropertyMapping | templateProperty = 没地 | ontologyProperty = deathPlace }} {{PropertyMapping | templateProperty = 国籍 | ontologyProperty = nationality }} {{PropertyMapping | templateProperty = 受賞 | ontologyProperty = award }} {{PropertyMapping | templateProperty = 公式サイト | ontologyProperty = foaf:homepage }} {{PropertyMapping | templateProperty = 画像 | ontologyProperty = foaf:depiction }} {{PropertyMapping | templateProperty = ジャンル | ontologyProperty = genre }} {{PropertyMapping | templateProperty = 画像サイズ | ontologyProperty = imageSize }} {{PropertyMapping | templateProperty = 職業 | ontologyProperty = occupation }} {{PropertyMapping | templateProperty = 代表作 | ontologyProperty = notableWork }} }} 17

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20. Activities to grow datasets • “Mapping party” for DBpedia mappings • “Wikipedia Town” for Wikipedia entries 20

21. Service

22. http://wiki.dbpedia.org/about/about-dbpedia/architecture 22

23. dbpedia-vad-i18n • Virtuoso module to publish DBpedia as LD • forked for DBpedia Japanese • feedback to the upstream https://github.com/dbpedia/dbpedia-vad-i18n https://github.com/fumi/dbpedia-vad-i18n23

24. DBpedia Live version • Trial services in English and German • to update immediately when a Wikipedia entry is updated • useful for Wikipedia Town for instance • Issues • hard to set up • less triples than the usual version (?) 24

25. Use cases

26. http://linkedopendata.jp/?p=48626

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28. Japanese SPARQL Book • Examples use DBpedia and DBpedia Japanese • Coming soon! You must buy! 28

DBpedia Japanese

Fumihiro Kato

DBpedia Japanese

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