This paper intends to show how a semiotic model akin to a dyadic semiotic can contribute to knowledge representation issues. In particular we hope that it offers a viable alternative to triadic semiotic models usually evoked to build conceptual structures and knowledge representations.
1. In this paper we present methodological solutions that were proposed for maintaining knowledge attached to long term space missions and to scientific data. It turned out that the question of maintaining the intelligibility of the information processed, i.e. facing the semantic change issue, was closely associated to the knowledge preservation issue as… (More)