Frontmatter -- Table of Contents -- Contributors -- I. Formal sign systems -- Introduction. Signs and Work -- Interorganizational Systems: Communication, Cooperation, or Governance? -- The Persistence of Systems in Organisations: Genre Analysis of Systems Decommissioning -- Object-oriented Programming and Semiotics -- Semiotical Analysis and Knowledge Analysis: The Case of Diagnosticai Work -- Morphodynamic models of communication -- II. Organisational Semiosis -- Introduction. Norms and Self-reference -- Discourse Analysis: An Approach to the Investigation of Organizational Emergence -- The Communicative Organisation -- Episodic Knowledge in System Control -- Understanding Computer Applications in Use: A Human Activity Analysis -- Signs, Information, Norms and Systems -- Index