Informazione e conoscenza: verso library 2.0

The speech rebuilds some passages of the debate on information and knowledge in the postwar period, epitomizing the turn happened at the end of the 20th century with the description of Gibbons about a mode 2 opposed to a mode 1, of R&D, about an interdisciplinary way of producing knowledge and abput the valorisation of a mute knowledge. On the epistemologic level it is proposed a position that introduces the role of the cognitive processes in the knowledge building, distinguishing itself from the model that has prolonged until now as the basis of the information science. The idea of information as the objectifying of a structured knowledge of the mode 1 and as a product of the collaboration and the sharing of the mode 2, finds its correspondence the model of the participated library proposed by Lankes