Premathmod (IST-2000-28177): its key goal was to improve data access and data analysis process in the precision farming technology. It focused on new and improved farming systems and their associated support tools. It was based on the implementation of modern informatics tools for agriculture precision farming practice, data storage and data access based on metadata technology, new Open GIS (Geographical Information system) tools and new advisory data sources as very high resolution satellite data. End user testing and evaluation was a fundamental activity.