ITU‐T's Technical Reports and Specifications 719 Table 3 – Open Knowledge Definition 5 Attribution \"Attribution\" requires as a condition for redistribution and reuse the attribution of the contributors and creators to the work. If this condition is imposed, it must not be onerous. For example, if attribution is required a list of those requiring attribution should accompany the work. 6 Integrity The license requires as a condition for the work being distributed in modified form that the resulting work carry a different name or version number from the original work. 7 No discrimination against persons or groups The license does not discriminate against any person or group of persons. 8 No discrimination against fields of endeavour The license does not restrict anyone from making use of the work in a specific field of endeavour. For example, it may not restrict the work from being used in a business, or from being used for genetic research. 9 Distribution of license The rights should be attached to the work must apply to all to whom it is redistributed without the need for execution of an additional license by those parties. 10 License must not be specific to a package The rights should be attached to the work must not depend on the work being part of a particular package. If the work is extracted from that package and used or distributed within the terms of the work's license, all parties to whom the work is redistributed should have the same rights as those that are granted in conjunction with the original package. 11 License must not restrict the distribution of other works The license does not place restrictions on other works that are distributed along with the licensed work. For example, the license must not insist that all other works distributed on the same medium are open. One of brilliant achievement of arising open data movement was \"Data.gov\" that is a portal site established in the United States in 2009. The movement was provoked by \"Open Government Initiative\" that President Obama declared for smooth data use. Examples of the data utilization are (1) making web applications for business, (2) utilization of research, for instance, predictions of climate change. The data include high publicness data, for instance, government data. More detailed information will be described in 7.1 that describes Data.gov in the United States. After this movement, the other countries have started to develop portal sites to provide the government data. The detailed information will be introduced among 7.2 that describes the U.K case, 7.3 that describes Japanese case, and 7.4 describes Chinese case. 7.1 Case study 1. Data.gov Data.gov is a portal site, which can download many types of government data for the utilization for businesses, researches, and the other purposes. A background of arising open data movement was \"Open Government Initiative\" that President Obama declared on May 2009. This initiative has three