The Data-gov Wiki

From Data-gov Wiki

About the Data-gov Wiki

The Data-gov Wiki is a project being pursued in the Tetherless World Constellation at Rensselaer Polytechnic Institute. We are investigating open government datasets using semantic web technologies. Currently, we are translating such datasets into RDF, getting them linked to the linked data cloud, and developing interesting applications and demos on linked government data. Most of the datasets shown on this page come from the US government's data.gov Web site, although some are from other countries or non-government sources.

NEW: Visit our experimental DRUPAL site (featuring new demos and tutorials)

For more information see:

Demos (47)

Demo: Clean Air Status and Trends - Ozone

Description: This demo shows a map of the U.S. depicting the Clean Air Status and Trends Network (CASTNET) Ozone monitoring stations and their average Ozone level. Clicking a station shows more detailed information and a link to a graphical representation of the time-series of measurements.
Live Demo(s): [1]
Dataset(s): Dataset 8,Dataset 9,Dataset 10001
Technology Used: RDF,SPARQL,SparqlProxy,Google Visualization API,Simile Exhibit,Google Visualization Annotated Timeline
Creator(s): Dominic DiFranzo,Li Ding

Tutorials (21)

A Proposal for Governmental Data URIs (17 May 2010, This article discusses the design of URIs used in converting governmental datasets to RDF., Category:Data-gov Insight)
A crash course in SPARQL (23 August 2010, A very fast course to start using SPARQL, Category:How-To)
How to build a data-gov demo (A nice tutorial about building a semantic web application using the google visualization library., Category:How-To)
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Learn more about the Tetherless World Constellation at Rensselaer Polytechnic Institute.

Support for our research comes in part from grants or gifts from:

	Defense Advanced Research Projects Agency
	Lockheed Martin Advanced Technology Laboratories
	Fujitsu Laboratories of America

Quick Links

Visit our developing Drupal portal: http://logd.tw.rpi.edu
Data.gov Catalog - List of datasets from data.gov
- Complete - All Data.gov datasets
- OGD Only - Open Data Directive Data.gov datasets only
Demos - live demos using linked gov data
Tutorials - tutorials for open gov developers
Issues - Issues in gov data
RSS - recently updated gov data.
Semantic Search - RDFa-based search engine for our wiki.
data-gov-wiki Source Code - our code is available to all.

Dataset Statistics

Cloud of Government data in RDF

This wiki is currently hosting 417 RDFlized datasets covering the content of 703 out of 5762 datasets released at http://data.gov. These datasets contribute 6.46 billion RDF triples.

It also hosts additional RDF-ized datasets including 35 Non-Data.gov Datasets and 1 Data.gov Deleted Datasets. These additional datasets together contribute 0.9 billion more RDF triples.

For more statistics, see What's in data.gov.

Recently Updated Datasets

In the News (6)

Tim Berners-Lee: Machine-readable Web still a ways off (30 October 2009): Elsewhere at the conference, some researchers from the Rensselaer Polytech Institute demonstrated how they re-rendered all the data from the Data.gov Web sites into RDF.
source: http://www.gcn.com/Articles/2009/10/30/Berners-Lee-Semantic-Web.aspx

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