This year’s eCAADe (Education and Research in Computer Aided Architectural Design in Europe) conference is special. Firstly it is in Porto at my alma mater, the Faculty of Architecture of the University of Porto. Second, it is a joint conference with SiGRaDi, the Iberoamerican Society of Digital Graphics. I will be presenting my paper, Interactive algorithm for generating accurate as-built plans by building owners, written with Alexandra Paio and Adriano Lopes. I will be presenting on the 12th in the morning session on the Window room, the room where I presented my thesis in 2006. The title of the session is Artificial Intelligence and the chair is Fernando Garcia Amen.