1. Dewey.info Update Dewey Breakfast/Update ALA Midwinter January 16, 2010 Michael Panzer

2. http://dewey.info -Experimental space for linked DDC data -Available now: Linked data version of the DDC Summaries in ten languages -Features include: -Access to the top three levels of the DDC in ten languages -Actionable URIs for every class of the DDC Summaries -Classification semantics encoded in SKOS -Representations for machines and for humans -Data is reusable under a Creative Commons BY-NC-ND license

3. Linked Open Data cloud

4. Requirements for publishing Linked Data -Identification -Every data entity has a URI -Access -HTTP as protocol (established infrastructure: WWW) -User agent indicates which data formats it accepts -Representation -for machines -RDF as data model -SKOS, Dublin Core, ccREL, etc. as vocabularies -for humans -HTML, etc. -“Openness” of the data set

5. Use Case: Basic web lookup “If someone has the URI of that thing, what relationships to what other objects is it useful to know about?” (Tim Berners-Lee) A web page for every class of the Dewey Summaries, e.g.:

6. Demo: dewey.info http://dewey.info/class/641/ http://dewey.info/class/641/about.rdf http://dewey.info/class/641/about.en http://dewey.info/class/641/about.sv http://dewey.info/class/641/2009/08/about.ar.html http://dewey.info/class/641/2009/08/about.ar.rdf

7. Use Case: Shelf labels as display alternative http://dewey.info/class/641/ http://dewey.info/class/641/about.es http://dewey.info/class/641/about.en http://worldcat.org/search?q=dd:641+yr:2009

8. Use Case: Shelf labels as display alternative http://dewey.info/class/734/ http://dewey.info/class/734/about.zh http://dewey.info/class/734/about.en http://worldcat.org/search?q=dd:734+yr:2009

10. Coming Soon... -M-More languages -M-More data -T-Table 2 with links to FAST headings / GeoNames -A-Abridged 14 -G-German DDC 22 data -A-Agreement between Deutsche Nationalbibliothek and OCLC to make numbers, captions, and more of full DDC 22 available under Creative Commons

11. Geocoding? -Adding geographic coordinates from other (geographic) data -Coordinates are added to Dewey classes in Table 2 -Example -Australia T2—943 Queensland: -20.0,145.0-20.0,145.0 -Ohio T2—77156 Franklin County: 39.966731,-83.0165727 [+39° 58', -83° 1']39.966731,-83.0165727 -Useful for geographic information retrieval (spatial queries) in combination with new 085 fields

12. T2—94 Australia displayed with Google Earth

13. Linking Open Data example: New York Times http://sws.geonames.org/5812944/ Geo- Names T2—797788 Tacoma http://dewey.info/class/2--797788/ dewey.info Tacoma (Wash) http://data.nytimes.com/N51488338864578420851 NYT NYT articles

14. Thank you! What other data would you like to see? In what way, shape, or format? Other comments, suggestions? panzerm@oclc.org