Semantic Web for the Humanities
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Researchers have been interested recently in publishing and linking Humanities datasets following Linked Data principles. This has given rise to some issues that complicate the semantic modelling, comparison, combination and longitudinal analysis of these datasets. In this research proposal we discuss three of these issues: representation round- tripping, concept drift, and contextual knowledge. We advocate an inte- grated approach to solve them, and present some preliminary results.
![Humani&es
Datasets
Humani&es
(semi-‐)structured
datasets
• Dutch
Historical
Censuses
(1795-‐1971)
[Public
Historical
Sta&s&cal
Data]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Semantic Web for the Humanities
- 1. Seman&c Web for the Humani&es Albert Meroño-‐Peñuela, Stefan Schlobach, Frank van Harmelen ESWC PhD Symposium 27/05/2013 Montpellier, France
- 2. Humani&es Datasets Humani&es (semi-‐)structured datasets • Dutch Historical Censuses (1795-‐1971) [Public Historical Sta&s&cal Data]
- 4. Towards 5-‐star Humani&es Datasets
- 5. Towards 5-‐star Humani&es Datasets >1 year ago 1 year ago Currently
- 6. (1) Format Round-‐tripping hXp://www.cedar-‐project.nl/resource/table/BRT_1889_12_T1 GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: text/html GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/rdf+xml
- 7. (1) Format Round-‐tripping hXp://www.cedar-‐project.nl/resource/table/BRT_1889_12_T1 GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: text/html GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/rdf+xml GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/vnd.ms-‐excel GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/msaccess
- 8. (1) Format Round-‐tripping hXp://www.cedar-‐project.nl/resource/table/BRT_1889_12_T1 GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: text/html GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/rdf+xml GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/vnd.ms-‐excel GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/msaccess pubby D2RQ hXp://github.com/Data2Seman&cs/TabLinker
- 9. TabLinker
- 10. TabLinker
- 11. (1) Format Round-‐tripping hXp://www.cedar-‐project.nl/resource/table/BRT_1889_12_T1 GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: text/html GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/rdf+xml GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/vnd.ms-‐excel GET /resource/table/BRT_1889_12_T1 HTTP/1.1 Host: cedar-‐project.nl Accept: applica-on/msaccess pubby D2RQ hXp://github.com/Data2Seman&cs/TabLinker • Circular round-‐ trip path • RDF-‐centric • 1:1 comparison • Data loss?
- 12. (2) Concept Dria Upper ontologies (HISCO, AC, others?) Year- dependent ontologies 1859 1869 1879
- 13. (2) Concept Dria Upper ontologies (HISCO, AC, others?) Year- dependent ontologies
- 14. (2) Concept Dria Upper ontologies (HISCO, AC, others?) Year- dependent ontologies ? ?
- 15. (2) Concept Dria • Models drift over time • Classes merge, split, change their properties (beroepklassen) • Although, some core meaning remains (shoemakers) • Can we automatically identify and align drifted concepts? With what vocabulary/semantics? ? ? t1 t2 tn
- 16. (3) Contextual Knowledge Shoemaker Schoemakers
- 17. (3) Contextual Knowledge Shoemaker Shoemaker Amsterdam Leiden 1889 1971 Schoemakers
- 18. (3) Contextual Knowledge Shoemaker Shoemaker Amsterdam Leiden 1889 1971 Vrowen Women + Men Works with leather Businessman Schoemakers
- 19. (3) Contextual Knowledge Shoemaker Shoemaker Amsterdam Leiden 1889 1971 Vrowen Women + Men Works with leather Businessman Schoemakers
- 20. Evalua&on • Exis&ng (classical) research results on Humani&es datasets • We use them as gold standards • Itera&ve refinement process
- 21. Research Ques&ons We aim at providing algorithms, formalisms and tools to disambiguate, clean, prepare, normalize, transform, link and query Humani&es datasets, conforming a framework for effec&ve Humani&es data publishing in the Seman&c Web. • Can RDF data models faithfully represent Humani&es datasets? Is an RDF-‐based format round-‐tripping framework possible? • How can we model concept dria? Can driaed concepts be aligned? • Can we infer dynamic concept defini&ons from explicitly formalized contexts? Can these contexts help solving concept dria?
- 22. THANK YOU hXp://www.cedar-‐project.nl @albertmeronyo
- 23. (2) Concept Dria t1 t2 tn
- 24. (2) Concept Dria t1 t2 tn
- 25. (2) Concept Dria ? ? t1 t2 tn owl:sameAs skos:closeMatch skos:exactMatch skos:narrower skos:broader skos:related