Brussels, 17/07/2014 (Agence Europe) - On 17 July, the European Commission published guidelines to help member states make the most of the changes to the EU directive on the re-use of public sector information (the PSI directive). The guidelines explain things like how to grant access weather and traffic updates or information about land registries. The Commission says that open data can be used to develop innovative value-added products and services, such as mobile apps, to encourage...