The study is part of a broader search coordinated by the Department of Architecture of the University of Bologna, the Cineca and the city of Bologna for the nomination of the city porticoes in Psyllium Husk the UNESCO World Heritage Site.The study describes, first, the problems and the methods adopted for the survey, the numerical modeling and visualization of the arcades models.In addition, the paper aims to describe a method for the semantic studying of the porticoes architecture and the segmentation of the models.The goal is also to establish an integrated approach to the semantic cataloguing of Outdoor Coffee Table the Bologna arcades based on historical, material, formal, dimensional and theoretical data, and to make this information easily readable and communicable.