Linked data in practice
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Part 2 of a Linked Data Workshop for library staff at University of Oregon and Oregon State University Libraries.
![The Promise of the Semantic Web
I have a dream for the Web
[in which computers] become capable
of analyzing all the data on the Web –
the content, links, and transactions
between people and computers.
— Tim Berners-Lee, 1999](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Linked data in practice
- 1. Linked Data in Practice Oregon Digital Linked Data Workshop, Eugene Oregon November 25, 2013 Karen Estlund kestlund@uoregon.edu
- 2. The Promise of the Semantic Web I have a dream for the Web [in which computers] become capable of analyzing all the data on the Web – the content, links, and transactions between people and computers. — Tim Berners-Lee, 1999
- 4. Principles 1. You should not be constrained by your schema. 2. You are not that special. 3. You do not know everything. 4. If your data isn’t reusable, shareable, and machine readable, then you’re not doing good enough. 5. Use exemplary behavior and reuse from others so that they may also reuse from you.
- 7. Vocabularies Building upon Each Other E.g. DarwinCore building on DublinCore
- 9. Comparing “Title” ● DataCite, Title ○ A name or title by which a resource is known. ● DublinCore, Title ○ A name given to the resource. ● MODS, Title ○ A word, phrase, character, or group of characters that constitutes the chief title of a resource (i.e. the title normally used when citing the resource). ● Open Graph, Title ○ The title of your object as it should appear within the graph.
- 10. Comparing “Title” Cont. ● VRA Core 4.0, Title ○ The title or identifying phrase given to a Work or an Image. For complex works or series the title may refer to a discrete component or unit within the larger entity (a print from a series, a panel from a fresco cycle, a building within a temple complex) or may identify only the larger entity itself. Record multiple titles in repeating instances of the ti tle element. Indicate the preferred title with pref ="true" and alternate titles with pref="false". For an Image record this category describes the specific view of the depicted Work or Collection, and corresponds to the CCO View Description.
- 12. Blank Node RDF Graph My Presentation dcite:creator dcite:nameIdentifier dcite:creatorName Estlund, Karen 951...
- 14. Example from BBC News
- 15. LOD in HTML <head>
- 16. Example from Historic Oregon Newspapers
- 17. LOD at expected URL (e.g. ‘X.rdf’) http://oregonnews.uoregon.edu/lccn/sn84022653/1897-05-01/ed-1/seq-5.rdf
- 18. Example from Oregon Digital Hydra
- 20. Authority in Linked Data
- 21. Interface Issues
- 22. Institution or Community? Shoupiest, http://www.flickr.com/photos/shoupiest/4470852646/, CC BY-NC
- 23. Questions ?