What's in data.gov

From Data-gov Wiki

In this article, we run a quick survey on the datasets published at http://data.gov.

Contents 1 background data 2 Statistics translated RDF datasets 3 Statistics about original datasets at data.gov 3.1 format of datasets' access points 3.2 tag cloud of the keywords 3.3 sources of datasets

background data

data.gov published a special dataset, Dataset 92, which contains the catalog metadata about all published datasets.

• the original catalog homepage is at http://www.data.gov/details/92
• the original catalog csv file is at http://www.data.gov/data_gov_catalog.csv.
• the converted RDF version is at http://data-gov.tw.rpi.edu/raw/92/data-92.rdf.
• you may browse the RDF dataset using tabulater following this link

Statistics translated RDF datasets

• There are currently 130 converted RDF datasets
  • contributing 459430392 table entries
  • contributing 5075144265 triples.
  • contributing 7655 properties.

Statistics about original datasets at data.gov

data.gov hosts 970 Datasets:

• including 600 Raw Data Catalog
• including 343 Tool Catalog

format of datasets' access points

data.gov mentioned 968 Data files as the access points of the datasets:

• 217 datasets publishing feeds (RSS,ATOM): SPARQL results
• 442 datasets publishing csv/txt: SPARQL results
• 57 datasets publishing xml: SPARQL results
• 76 datasets publishing xls (MS Excel): SPARQL results
• 14 datasets publishing kml or kmz : SPARQL results
• 22 datasets publishing ESRI shape format: SPARQL results

tag cloud of the keywords

sources of datasets

the datasets are contributed by 2 US government agencies. Following is a list sorted by the number of their contributed datasets.

1. Data.gov (944)
2. Environmental Protection Agency (319)
3. Department of Defense (194)
4. Department of Health and Human Services (87)
5. Department of the Treasury (69)
6. Department of Commerce (47)
7. Department of Homeland Security (44)
8. Department of the Interior (36)
9. Department of Labor (35)
10. Institute of Museum and Library Services (18)
11. Executive Office of the President (12)
12. National Archives and Records Administration (11)
13. Department of Justice (10)
14. Department of Education (8)
15. Department of Transportation (7)
16. National Transportation Safety Board (7)
17. Department of Energy (7)
18. US Consumer Product Safety Commission (6)
19. Department of Housing and Urban Development (6)
20. Rensselaer Polytechnic Institute (6)
21. Department of Agriculture (5)
22. National Aeronautics and Space Administration (3)
23. Department of State (3)
24. National Science Foundation (2)
25. General Services Administration (2)
26. Social Security Administration (2)
27. Office of Management and Budget (2)
28. Railroad Retirement Board (2)
29. Stony Brook University (1)
30. University of Pennsylvania (1)
31. Michigan State University (1)
32. Small Business Administration (1)
33. Washington University in St Louis (1)
34. Princeton University (1)
35. Northwestern University (1)
36. National Center for Education Statistics (0)
37. US Fish and Wildlife Service (0)
38. United States Department of Energy (0)
39. Federal Bureau of Investigation (0)
40. OpenLink Software (0)
41. National Oceanic and Atmospheric Administration (0)
42. University of Leipzig (0)
43. Bureau of Justice Statistics (0)
44. US Patent and Trademark Office (0)
45. National Weather Service (0)
46. National Park Service (0)
47. Agency for Healthcare Research and Quality (0)
48. Energy Information Administration (0)
49. Bureau of Transportation Statistics (0)
50. National Center for Health Statistics (0)