This book constitutes the refereed proceedings of the 14th International Conference on Conceptual Structures ICCS 2006 held in Aalborg Denmark in July 2006 The 24 revised full papers presented together with 6 invited papers were carefully reviewed and selected from 62 submissions The central focus is the formal representation and analysis of conceptual knowledge with research and business applications focusing on artificial intelligence computational linguistics and related areas of computer science The papers address topics such as conceptual structures their interplay with language semantics and pragmatics formal methods for concept analysis and contextual logic modeling representation and visualization of concepts conceptual knowledge acquisition and the theory and applications of formal ontologies th The 14 International Conference on Conceptual Structures ICCS 2006 was held in Aalborg Denmark during July 16 21 2006 Responding to the Call for Papers we received 62 papers from 20 different countries representing six different continents This clearly indicates the international nature of the ICCS community as well as the widespread interest which was spawned by the previous conferences By a thorough review process 24 papers were selected to be included in this volume In addition six invited speakers made contributions which can be found in the first section of this volume The theme of ICCS 2006 Conceptual Structures Inspiration and Application points to a dual focus of interest that is also reflected in the constellation of papers From the beginning of the planning of this conference we focused on inspirational sources that have led to the current state of research in our community by tracing important historical influences which daily effect work in representing knowledge and in handling representations of conceptual structures At the same time we also focused on ways in which these legacies are employed to further advance the