A data file: Value and communication of information at the time of human-data interaction design

This paper is an overview of the use of data based on their “value chain” and about the need to design proper interaction tools for whomever is interested in a rich, direct and purposeful interaction with them; from their origin of production, to the formal passages they undergo, to the open data formats through which they are freely available on the Web, data and their new forms of expression are more and more influencing our everyday knowledge, decision making and quality of life.