Linked Data in Archives

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1 Linked Data in Archives Publish, Enrich, Refine, Reconcile, Relate Presented SAA 2012, Linking Data Across Libraries, Archives, and Museums Corey A Harper

2 Semantic Web TBL s original vision Weaving the Web 1999 Then: Focus on Machine Reasoning Scientific American Article Now: Focus on things & links Reasoning & Inferencing less central SAA12 -- Linking Data Across Libraries, Archives, and Museums 2

3 Semantic Web Originally: Metadata standard built on XML Metadata about Web things (documents) Eventually: Metadata about all sorts of things And about relationships between things SAA12 -- Linking Data Across Libraries, Archives, and Museums 3

4 Linked Open Data Use URIs as names for things Use HTTP URIs so that people can look up those names. When someone looks up a URI, provide useful information. Include links to other URIs. so that they can discover more things SAA12 -- Linking Data Across Libraries, Archives, and Museums 4

5 Linked Data Metadata as a Graph Typed things, named by URIs The relationships between those things, also built on URIs Ease of integration *across* data sources merging graphs SAA12 -- Linking Data Across Libraries, Archives, and Museums 5

6 Growth of the Linked Data cloud SAA12 -- Linking Data Across Libraries, Archives, and Museums 6

7 SAA12 -- Linking Data Across Libraries, Archives, and Museums 7

8 SAA12 -- Linking Data Across Libraries, Archives, and Museums 8

9 DBpedia Structured Wikipedia Data Genres, Influences, External Links Multi-lingual / Multi-script labels Rich Semantics Many linkages to other datasets SAA12 -- Linking Data Across Libraries, Archives, and Museums 9

10 DBpedia Model Partial basis in data entry conventions InfoBoxes, and InfoBox Templates Metadata Entry Format Partial source of Ontology Class Structure Vocabulary Design SAA12 -- Linking Data Across Libraries, Archives, and Museums 10

11 DBpedia 3.4 Million things described Ontology based on infoboxes 1.5 million things classified Approx. 50,000 Properties Approx. 1,200 defined in ontology SAA12 -- Linking Data Across Libraries, Archives, and Museums 11

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16 Google Knowledge Graph SAA12 -- Linking Data Across Libraries, Archives, and Museums 16

17 Google Refine SAA12 -- Linking Data Across Libraries, Archives, and Museums 17

18 Automated Authorities? SAA12 -- Linking Data Across Libraries, Archives, and Museums 18

19 Belgians! SAA12 -- Linking Data Across Libraries, Archives, and Museums 19

20 BBC Chimps SAA12 -- Linking Data Across Libraries, Archives, and Museums 20

21 BBC Wildlife SAA12 -- Linking Data Across Libraries, Archives, and Museums 21

22 BBC Programmes SAA12 -- Linking Data Across Libraries, Archives, and Museums 22

23

24 RelFinder SAA12 -- Linking Data Across Libraries, Archives, and Museums 24

25 LinkSailor: SAA12 -- Linking Data Across Libraries, Archives, and Museums 25

26 SAA12 -- Linking Data Across Libraries, Archives, and Museums 26

27 SAA12 -- Linking Data Across Libraries, Archives, and Museums 27

28 SAA12 -- Linking Data Across Libraries, Archives, and Museums 28

29 LAWDI SAA12 -- Linking Data Across Libraries, Archives, and Museums 29

30 LAWDI Linked Ancient World Metadata Institute Archeologists, Numismatists, Classists Quasi- Digital Humanities Doing their own Linked Data Excited about Libraries helping VIAF, id.loc, FAST, OCLC # s etc Actively modeling ancient place names SAA12 -- Linking Data Across Libraries, Archives, and Museums 30

31 W3C Linked Library Data Incubator Collected, Curated and Clustered over 50 Use Cases Mined use cases for functional requirements and design patterns Recommendations to W3C SAA12 -- Linking Data Across Libraries, Archives, and Museums 31

32 Use Case Categories Bibliographic Data Authority Data Archives & Heterogeneous Metadata Citations Digital Objects Collections Social & New Uses SAA12 -- Linking Data Across Libraries, Archives, and Museums 32

33 So What Can You Do? Iterative changes to metadata Adding identifiers where you can Unit Titles, Component Levels Access points at series, subseries, folder Relationships rather than (or in addition to) prose RDFa embedded in HTML Finding Aids Start playing with tools and techniques SAA12 -- Linking Data Across Libraries, Archives, and Museums 33

34 Daily Worker SAA12 -- Linking Data Across Libraries, Archives, and Museums 34

35 SAA12 -- Linking Data Across Libraries, Archives, and Museums 35

36 Refine SAA12 -- Linking Data Across Libraries, Archives, and Museums 36

37 ViewShare SAA12 -- Linking Data Across Libraries, Archives, and Museums 37

38 SAA12 -- Linking Data Across Libraries, Archives, and Museums 38

39 LC Bibliographic Framework Transition SAA12 -- Linking Data Across Libraries, Archives, and Museums 39

40 Distributed information ecosystem Linking Data Focus on identification over description Create navigable, browsable information landscapes Relationships between resources weave context & enrich user experiences SAA12 -- Linking Data Across Libraries, Archives, and Museums 40

41 Next Steps & Works in Progress Provenance Licensing Best Practices, Modeling & Infrastructure DCMI & W3C Work! (Add links on new slide) DC Abstract Model / Application Profiles / Description Sets Vocabulary Management Schema.org mappings Provenance Ontology Interface Design SAA12 -- Linking Data Across Libraries, Archives, and Museums 41

42 New Interfaces SAA12 -- Linking Data Across Libraries, Archives, and Museums 42

43 Not Just for Libraries, Archives, Museums! Providing models & resources for scholars and researchers Digital Humanities (LAWDI) Adding authoritative, stable URIs to the grid that others can link to Pouring our history of info mgt into tools like Freebase SAA12 -- Linking Data Across Libraries, Archives, and Museums 43

44 Thanks! SAA12 -- Linking Data Across Libraries, Archives, and Museums 44

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