Keynote talk at 2011 Semantic Technology and Business conference - Washington DC, November 30, 2011. This updates my earlier slideshare talk on linked open govt data - new slides from slide 17 on.

1. Linking Open Government Data http://logd.tw.rpi.edu Jim Hendler Tetherless World Professor of Computer and Cognitive Science Assistant Dean of Information Technology and Web Science Rensselaer Polytechnic Institute http://www.cs.rpi.edu/~hendler @jahendler (twitter)

2. Government Data on the Web

3. Government Data Sharing January 1, 2009 “ Openness will strengthen our democracy and promote efficiency and effectiveness in Government.” --- President Obama Putting Govt Data online- Data.gov.uk beta May 21, 2009 January 19, 2010 data.gov.uk online May 21, 2010 data.gov online data.gov relaunch with semantic web featured June30,2009 December 8, 2009 “ Open Government Directive ” released 2009 2010 … 57 Data Sets ~6000 Data Set ~2000 Data Sets >305,000 Data Sets

4. Important to the citizens: eg. Education Data.gov.uk RPI NYS demos

8. Data.gov + epa.gov

10. Adding some Web magic Web Analytics Social Data Networks External Links

11. Linking GDP of the US and China GDP of China (Billion Chinese Yuan ) GDP of the US (Billion Dollar) [Temporal Mashup] bea.gov + federalreserve.gov +stats.gov.cn

12. Linking GDP of the US and China GDP of China (Billion Chinese Yuan ) GDP of the US (Billion Dollar) [Temporal Mashup] bea.gov + federalreserve.gov +stats.gov.cn This mashup was built in less than 4 hours – including conversion of data, web interface, and visualization!

13. Govt systems can use linked data web for context Datasets: acres burned, and agency budgets Dbpedia: wikipedia descriptions of major US fires

14. Integrate with Social media

15. Combining data from different data sharing sites

16. RPI workflow enhances raw RDF w/useful URIs derive derive create derive revision Convert Access Enhance Version SemDiff

17. http://logd.tw.rpi.edu demos, tutorials, RDF-ized datasets, and more

19. Government Data in the linked open data cloud http://linkeddata.org/ Government Data is currently over ½ the cloud in size (~17B triples), 10s of thousands of links to other data (within and without)

21. Instance Hub

22. Example: US States

23. Example: US Govt Agencies

24. Etc.

26. International Open Government Data Search

27. There’s lots of data out there!!

29. Details and download… http://logd.tw.rpi.edu/demo/international_dataset_catalog_search

31. Exploring new visualizations Data from http://littlesis.org

33. Questions? http://logd.tw.rpi.edu