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Maphub und Pelagios: Anwendung von Linked Data in den Digitalen Geisteswissenschaften

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Maphub und Pelagios: Anwendung von Linked Data in den Digitalen Geisteswissenschaften

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In recent years, scientists at the Austrian Institute of Technology have been involved in numerous projects in the digital humanities area. In this talk, Dr. Bernhard Haslhofer will present two of them, both having a strong focus on applying the Linked Open Data method on datasets produced throughout the project. The first is Maphub (http://maphub.github.io/), an open source Web application which allows users to create annotations on historical maps, link these annotations with other Web sources (e.g., Wikipedia), and share annotations as Linked Open Data following the Open Annotation model. The second is Pelagios (http://pelagios-project.blogspot.co.at/), a community initiative that aims to facilitate better linking between online resources documenting the past, based on the places they refer to. To date, Pelagios interconnects 900.000+ heterogeneous digital objects - literature, archaeology, epigraphy, cartography - from 40+ international partners. The current focus of the project is to annotate Early Geospatial Documents - documents that use written or visual representation to describe geographic space prior to the European discovery of the Americas in 1492, and make the annotations available as (Linked) Open Data.

In recent years, scientists at the Austrian Institute of Technology have been involved in numerous projects in the digital humanities area. In this talk, Dr. Bernhard Haslhofer will present two of them, both having a strong focus on applying the Linked Open Data method on datasets produced throughout the project. The first is Maphub (http://maphub.github.io/), an open source Web application which allows users to create annotations on historical maps, link these annotations with other Web sources (e.g., Wikipedia), and share annotations as Linked Open Data following the Open Annotation model. The second is Pelagios (http://pelagios-project.blogspot.co.at/), a community initiative that aims to facilitate better linking between online resources documenting the past, based on the places they refer to. To date, Pelagios interconnects 900.000+ heterogeneous digital objects - literature, archaeology, epigraphy, cartography - from 40+ international partners. The current focus of the project is to annotate Early Geospatial Documents - documents that use written or visual representation to describe geographic space prior to the European discovery of the Americas in 1492, and make the annotations available as (Linked) Open Data.

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Maphub und Pelagios: Anwendung von Linked Data in den Digitalen Geisteswissenschaften

  1. 1. Maphub und Pelagios Anwendung von Linked Data in den Digitalen Geisteswissenschaften Digital Humanities Austria Tagung, ÖAW 3. Dezember 2014 Bernhard Haslhofer und Rainer Simon
  2. 2. Maphub Semantic Tagging on Historical Maps 2
  3. 3. Source: Wien Museum (via Google, via http://habsburger.net)
  4. 4. The Elisabethbrücke connected the districts “Innere Stadt” and “Wieden”until 1897 Source: Wien Museum (via Google, via http://habsburger.net)
  5. 5. The Elisabethbrücke connected the districts “Innere Stadt” and “Wieden”until 1897 Source: Wien Museum (via Google, via http://habsburger.net)
  6. 6. Possible Benefits • Engage people; let them tell their stories • Collect knowledge; enhance metadata records • Connect digitized historical maps with other Web resources (e.g., Wikipedia) Web as Literature Conference, London, 2013 6
  7. 7. 7 http://maphub.github.com
  8. 8. Maphub Features • Geo References + Map Overlays • Semantic Tagging • Multilingual Search • W3C Open Annotation API 8
  9. 9. Geo References + Map Overlays 9
  10. 10. Comments + Semantic Tagging 13
  11. 11. Semantic Tagging in Maphub http://dbpedia.org/resource/ Mediterranean_sea There is a DBpedia/Wikipedia URI behind each visual tag 14
  12. 12. Multilingual Search 15
  13. 13. W3C Open Annotation API oa: Annotation rdf:type http:// maphubdev.mminf.univie.ac.at/ annotations/1 oa:hasTarget "bernhard.haslhofer@ cornell.edu" foaf:mbox uuid:1235 oa:annotator http://maphubdev. mminf.univie.ac.at oa:generator "behas" foaf:name "2012-07-18T02: 01:07Z" oa:generated "2012-07-18T02: 01:07Z" oa:annotated uuid:4567 http:// oa:hasSelector samos.mminf.univie.ac. at/maps/raw/ g3200.ct000725C.jp2 oa:Specific Resource rdf:type oa:hasSelector oa:hasSource uuid:2752 ct:ContentAs rdf:type Text image/svg dcterms: format rdf:type dcterms:StillImage dc:format image/jp2 oax:hasSemanticTag Strait_of_Gibraltar oa:hasBody dbpedia: uuid:2751 cnt:Content AsText rdf:type "text/plain" dc:format In antiquity, the Strait of Gibraltar (which connects the Atlantic Ocean with the Mediterranean Sea) was also known by the name "The Pillars of Hercules". This is the reason for this inscription! cnt:chars dbpedia: Pillars_of_Hercules oax:hasSemanticTag ct:chars <svg…..> uuid:2753 ct:ContentAs Text rdf:type application/wkt dcterms: format POLYGON((5315 5639,5444….) ct:chars 16
  14. 14. 17 2013
  15. 15. Pelagios Linking Data about the Past through Geography
  16. 16. …or any other online resource that bears a relation to a particular ancient place! Inscriptions Texts Archaeological Finds Museum Objects Pelagios Archaeological Sites | Linking Data, Openly
  17. 17. How? | Don’t Unify the Model – Annotate! http://pleiades. stoa.org/579885 http://ple iades. stoa.org/570685
  18. 18. 4 The Essential Ingredient | URI-­‐based Gazetteers
  19. 19. Pelagios | Connecting Different Knowledge Domains online gazetteers Pelagios Ancient World Resources
  20. 20. Pelagios 1 & 2 | The Greco-­‐Roman World
  21. 21. Pelagios 3 | Early Geospatial Documents ▪ 2 year project (Sep 2013 – Aug 2015) ▪ Funded by Andrew W. Mellon Foundation ▪ Annotation of geographic documents (maps and texts) predating 1492 Traditions ▪ Latin ▪ Greek & Byzantine ▪ Christian Tradition ▪ Portolan charts & portolanos ▪ Islamic Tradition ▪ Chinese Tradition
  22. 22. Pelagios 3 | New (and Old) Partners
  23. 23. Pelagios 3 | Geo-­‐Annotation with Recogito
  24. 24. Pelagios 3 | Geo-­‐Annotation with Recogito
  25. 25. Pelagios 3 | Geo-­‐Annotation with Recogito
  26. 26. Pelagios 3 | Geo-­‐Annotation with Recogito
  27. 27. New in Recogito | Maps & Image Annotation
  28. 28. Places Pelagios People SNAP Periods & Events PeriodO, ChronOntology References Canonical Text Services Classification Schemes OCRE, SENESCHAL Trends | The Concept Scheme Ecosystem
  29. 29. OHA | Recogito in Action @ Heidelberg ▪ 2.650 toponym identifications in text ▪ 2.500 toponym identifications on maps ▪ 830 map transcriptions ▪ 140 gazetteer resolutions ▪ 490 other actions, such as corrections, deletions or comments 2014
  30. 30. Grateful acknowledgement to AHRC, Google, JISC, The Andrew W. Mellon Foundation, the DM2E project and all Pelagios partners http://pelagios-­‐project.blogspot.com http://pelagios.org/recogito @Pelagiosproject
  31. 31. Interested in Open Data…(and Digital Humanities)? http://okfn.at/arbeitsgruppen/arbeitsgruppe-open-glam/ http://okfn.at/partner-werden/
  32. 32. Questions? http://maphub.github.io bernhard.haslhofer@ait.ac.at @bhaslhofer http://pelagios-project.blogspot.com http://pelagios.org/recogito @Pelagiosproject rainer.simon@ait.ac.at @aboutgeo

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