Tetherless World Constellation 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)
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.
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Tetherless World Constellation
Linking Open Government Data
http://logd.tw.rpi.edu
Jim HendlerTetherless World Professor of Computer and Cognitive Science
Assistant Dean of Information Technology and Web Science
Research remains to be done…(it ain’t all hackathons and contests)
• Trust– Government data is controversial, and potentially biased
• How do we confirm or dispute?
• Combination– When we combine data we need to keep the provenance of
information (see trust)• How can we show and use?
• Scaling– Our project has already converted 9.9B triples from only >2,000
of the 440,000 government databases we can identify (116 catalogs, 38 countries, 16 languges)
• Versioning and updating• Archiving• Visualization• …
Tetherless World Constellation
Exploring new visualizations
Data from http://littlesis.org
Tetherless World Constellation
Summary
• Open Govt data is a critical resource– Government data released as RDF (UK)– Government data converted to RDF (US)– Government data that can be found in many forms and used
or converted (WWW)
• Government transparency comes through in the “mashing up” of data from many datasets– Key to linked data
• An amazing opportunity for technologists (public and private) to play in an important area of the public good– Innovation needed!