Bastiaan van Loenen

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This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, redistribution , reselling , loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents(More)
Access to earth observation data has become critically important for the wellbe-ing of society. A major impediment to achieving widespread sharing of earth observation data is lack of an operational web-wide system that is transparent and consistent in allowing users to legally access and use the earth observations of others without seeking permission from(More)
The motives for constructing Spatial Data Infrastructures (SDIs) are often based on their anticipated benefits for society, economy, and environment. According to those widely articulated but rarely proven benefits , SDI coordinators have been defining more specific objectives to be achieved by their SDIs. However, there is a limited number of assessment(More)
SUMMARY At this moment, numerous (catalogue) geoportals have been established and it is expected that many more geoportals will be implemented in the future. To the best of our knowledge, not many status, development and impact assessment studies have been performed with regard to all these initiatives (certainly not on a worldwide scale). It is very(More)
Data availability is a key issue affecting the collective well-being of society. Economic and legal scholars have argued that the current, relatively open, access-to-data environment in the United States is beneficial to advancing knowledge and the economy. However, little empirical evidence exists to validate the extent to which various access policy(More)
Location technology allows for the tracking and tracing of individuals. Users may increasingly be concerned about the abilities of new technology to keep an eye on ones' private life. There are concerns that the increased privacy awareness among citizens and legislation may hinder the success and further development of these technologies. An analysis of the(More)