CORE - A Contextual Reader based on Linked Data Eetu Mäkelä, Thea Lindquist and Eero Hyvönen

[email protected] - http://seco.cs.aalto.fi/u/jiemakel/

Goal: support close reading in an unfamiliar domain

Support close reading in an unfamiliar domain 1. Automatically give context 2. Locate other sources relevant to the topic across distributed collections

requiring as little as possible from the distributed collections

A Contextual Reader for First World War Primary Sources Demonstrative documents: ● a primary source PDF from the CU-Boulder WWI Collection Online ● a postcard with metadata from the Great War Archive ● an encyclopedic article from 1914 - 1918 Online

Under the Hood: Dynamic Entity Extraction 1. Extract content from HTML/PDF in browser 2. Call language analysis web service to generate query terms 3. Query Linked Data repository for context information → Items under study do not need to be formally annotated!

Vocabularies used: 1. WW1LOD 2. 1914 - 1918 Online Vocabularies 3. Europeana 1914 - 1918 Thesaurus 4. Out of the Trenches (PCDHN-LOD) 5. Trenches to Triples 6. DBpedia

Under the Hood: Query Expansion 1. Gather cross-lingual, alternate term information from vocabularies 2. Query remote web services for related content → Related content does not need to be formally annotated!

Repositories used: 1. CU-Boulder WWI Collection Online 2. WW1 Discovery 3. Europeana 4. Digital Public Library of America 5. The European Library

A Contextual Reader for Ancient Texts Demonstrative documents: ● an english translation of Caesar's Gallic War in the Perseus Hopper ● a Latin text by Livy

→ Language analysis step allows support for highly inflected languages, multilingual Linked Data enables crossing language boundaries

A Contextual Reader for Ancient Texts Vocabularies used: 1. Pleiades gazetteer of ancient places 2. English and Latin DBpedias

Repositories used: 1. Pelagios datasets 2. Perseus Catalog 3. Europeana 4. Digital Public Library of America 5. The European Library

A Contextual Reader for Finnish Law Demonstrative documents: ● a Finnish law ● a Finnish supreme court decision ● a statement by the standing committee on law on a law in preparation ● a news article concerning a law

A Contextual Reader for Finnish Law Vocabularies used: 1. legal terminology in the Finnish Terminology Bank 2. Asseri legal vocabulary 3. Edilex legal vocabulary 4. Talentum legal vocabulary 5. Legal terminology section of the Finnish DBpedia

Repositories used: 1. Finlex consolidated legislation 2. Finlex precedents of Finnish supreme courts 3. Edilex legal news

A Contextual Reader for Finnish Second World War Magazines Demonstrative document: ● a memorial magazine article

A Contextual Reader for Finnish Second World War Magazines Vocabularies used: 1. Multiple war event timelines 2. Multiple unit registries 3. Multiple place registries (including a registry of places lost to the USSR after the war) 4. War terminology section of the Finnish DBpedia

Repositories used: 1. Finnish war casualties database 2. War photography archive 3. War diary archive 4. War remembrance magazine archive

This presentation: http://j.mp/core-dh Eetu Mäkelä Semantic Computing Research Group (SeCo) Department of Computer Science [email protected] - http://seco.cs.aalto.fi/u/jiemakel/

CORE - A Contextual Reader based on Linked Data

Department of. Computer Science. A Contextual Reader for First World. War Primary Sources. Demonstrative documents: ○ a primary source PDF from the CU-Boulder WWI Collection. Online. ○ a postcard with metadata from the Great War Archive. ○ an encyclopedic article from 1914 - 1918 Online ...

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