720 ITU‐T's Technical Reports and Specifications main policies (1) transparency, (2) participation and (3) collaboration 57 . After the initiative, \"Data.gov,\" which is a portal site that people can download the government data sets. The government data indicate that the federal offices have collected, for instance, data fromnational census, environment, and economic conditions. Figure 3 is a capture of the website. Figure 3 – Capture of the Postal Site, Data.gov The government presented \"Open Government Directive\" to each the federal offices for sharing the data among any people, researchers, and companies via the Internet on December 2009. After the directive, Data.gov has published the government data, which categorized four data of raw, geo, data tool, and interactive. Users can select the type of data, public institution, data categories, topics, and web domains. Table 4 shows examples of data categories. Table 4 – Example of Data Categories Categories 1 Transportation 2 Environment 3 Crimes 4 Medicine 5 Education 6 Nutrition 7 Security ____________________ 57 Digital Government: Building a 21st Century Platform to Better Serve the American People, URL http://www.whitehouse.gov/sites/default/files/omb/egov/digital‐government/digital‐government.html (2014).