%I Springer Verlag %T An Ontology for Formalising Agreement Patterns in Auction Markets %D 2010 %C Berlin, Alemania %B Proceedings of Advances in Artificial Intelligence - IBERAMIA 2010 %A Jose Javier Duran Martin %A Carlos Ángel Iglesias Fernández %L upm8133 %X Knowledge and best practices on auction systems are cur- rently disseminated across the research literature, which limits its access, reuse, evaluation and feedback by practitioners. This article presents a systematic approach to collect this knowledge as design patterns, in order to provide assistance to software developers. An ontology has been de- _ned for formalising design patterns in auction systems, with the aim of improving its searchability by software developers. Finally, a case study illustrates how the proposed pattern ontology provides assistance in the development of a dynamic pricing model for an e-commerce service