Government organizations sometimes host open data portals as a way of meeting their regional freedom of information legal requirements.
[2] Open data portals contain information of interest to citizens, business owners, nonprofit administrators, researchers, and journalists.
[3] A 2012 paper reported that government organizations which set up open data portals often find it challenging to predict what sorts of users will want the data and how they will use it.
[4] In the European Union there is a central open data portal which connects anyone to the regional and subject specific data portals for various matters of government.
[9] There is a cancer genomics open data portal.