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Lavinia Tagliabue, Alice Pasquinelli, Enrico De Angelis, Angelo Ciribini, and Franco Guzzetti

GIS Based Approach for District Energy Retrofit Optioneering

Abstract: Energy is a driver for buildingsÕ refurbishment. The EU energy policies defined some strategies for nearly zero energy buildings ranging from envelope retrofit to the system efficiency enhancement. A GIS based approach is proposed to introduce a district level strategy to enable energy quality in the cities empowered by digital and computational technologies. A case study demonstrates how to assess different retrofit solutions into a sample district. The idea is to use the different data sources and define a common data environment in which data could be used to endorse different analyses on the same knowledge basis. The first step was to understand the level of detail and information required to describe in an accurate and fast way the energy performance related to buildings geometry and age. Two data packages have been tested: retrofit options were computed considering the more reliable data package model. Plausible retrofit scenarios related to the most suitable strategies have been tested to define energy quality to trigger for the district. The energy evaluation have been carried out by standard calculations on GIS-based information. The energy mapping is used to communicate results and possibly outline zones of intervention that can be managed through smart construction sites.

Keywords: BIM/GIS, Energy Retrofit Optioneering, District Energy Refurbishment

DOI: https://doi.org/10.24928/JC3-2017/0269

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Marianthi Leon and Alice Toniolo

Dialogue Types for Collaborative Design: A Front-End BIM Application

Abstract: Collaborative design is an iterative process of selecting and evaluating solutions in the presence of several potentially conflicting requirements dictated by different professional expertise and preferences, a concept central to Building Information Modelling (BIM) implementation. In previous research, we showed that the core decision process can be better understood using argumentation-based models of practical reasoning. This allows the identification of the rationale and the relationships between conflicting issues, thus providing clarity and transparency for decisions achieved. This paper aims to take one step further in modelling this process, and suggests a novel methodological approach that translates collaborative, conceptual and perceptual activities related to design processes undertaken by design and construction professionals to correspondent argumentative dialogue types such as information seeking, deliberation and negotiation. Computational models of dialogue identify protocols for collaboration establishing reasons and evidence of claims made and joint identification of goals and solutions. Therefore, the proposed argumentative dialogue permits the formalisation of collaboration analysis, design decision steps can be monitored and the dependency relationships between professionals involved and decisions taken can be traced. Future research would develop a computational model to be employed by intelligent software agents to assist professionals in analysing complex collaborative decisions.

Keywords: Collaborative Design, Argumentation Based Models, Argumentative Dialogue Types, Protocols for Collaboration, Collaboration Analysis

DOI: https://doi.org/10.24928/JC3-2017/0078

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