Part I. Introduction -- Editors’ introduction: Conceptual spaces at work; Peter Gärdenfors and Frank Zenker -- Part II. Semantic Spaces -- From conceptual spaces to predicates; Jean-Louis Dessalles -- Conceptual spaces at work in sensory cognition: Domains, dimensions and distances; Carita Paradis --  Conceptual spaces, features and word meanings: The case of Dutch shirts; Joost Zwarts -- Meaning negotiation; Massimo Warglien and Peter Gärdenfors -- Part III. Computing Meanings -- How to talk to each other via computers: Semantic interoperability as conceptual imitation; Simon Scheider and Werner Kuhn -- Self-organization of conceptual spaces from quality dimensions; Paul Vogt -- Conceptual spaces and computing with words; Janet Aisbett, John Rickard and Greg Gibbon -- Logical, Ontological and cognitive aspects of objects types and trans-world identity with applications to the theory of conceptual spaces; Giancarlo Guizzardi -- A cognitive architecture for music perception exploiting conceptual spaces; Antonio Chella -- Part IV. Philosophical Perspectives -- Conceptual spaces as philosophers’ tools; Lieven Decock and Igor Douven -- Specification of the unified conceptual space, for purposes of empirical investigation; Joel Parthemore -- A perspectivist approach to conceptual spaces; Mauri Kaipanen and Antti Hautamäki -- Communication, rationality, and conceptual changes in scientific theories; Frank Zenker and Peter Gärdenfors.