Abstract

Abstract. The application of (H)BIM within the domain of Architectural Historical Heritage has huge potential that can be even exploited within the restoration domain. The work presents a novel approach to solve the widespread interoperability issue related to the data enrichment in BIM environment, by developing and testing a web tool based on a specific workflow experienced choosing as the case study a Romanic church in Portonovo, Ancona, Italy. Following the need to make the data, organized in a BIM environment, usable for the different actors involved in the restoration phase, we have created a pipeline that take advantage of BIM existing platforms and semantic-web technologies, enabling the end user to query a repository composed of semantically structured data. The pipeline of work consists in four major steps: i) modelling an ontology with the main information needs for the domain of interest, providing a data structure that can be leveraged to inform the data-enrichment phase and, later, to meaningfully query the data; ii) data enrichment, by creating a set of shared parameters reflecting the properties in our domain ontology; iii) structuring data in a machine-readable format (through a data conversion) to represent the domain (ontology) and analyse data of specific buildings respectively; iv) development of a demonstrative data exploration web application based on the faceted browsing paradigm and allowing to exploit both structured metadata and 3D visualization. The application can be configured by a domain expert to reflect a given domain ontology, and used by an operator to query and explore the data in a more efficient and reliable way. With the proposed solution the analysis of data can be reused together with the 3D model, providing the end-user with a non proprietary tool; in this way, the planned maintenance or the restoration project became more collaborative and interactive, optimizing the whole process of HBIM data collection.

Highlights

  • Building Information Modelling (BIM) has become a common standard tool that is used for the management of the whole life cycle of the construction activities

  • While BIM data describing a 3D model in Resource Data Framework (RDF) can be obtained leveraging a standard Industry Foundation Classes (IFC) export available in most of the 3D modelling tool used in the HBIM community, providing users with a way of enriching the model with domain dependent data is less straightforward

  • Thanks to the pipeline of work described in the previous section, we are allowed to query the resulting data via the standard Semantic-web query language (SPARQL)

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Summary

INTRODUCTION

Building Information Modelling (BIM) has become a common standard tool that is used for the management of the whole life cycle of the construction activities. The ”BIMexplorer” tool, designed for in-depth analysis, is conceived to allow non-expert users to perform semantic inquiries over the models and to visualize the results of their research directly on the browser This can be very helpful especially in the case of monitoring the status of conservation of a historical building. Cise and reliable information about the presence of damages and their nature, the last year of inspection or link to pictures and 2D detailed drawings It will be demonstrated in the Results Section (4) how such application can be configured by a domain expert to reflect a given domain ontology, and used by an operator to query and explore the data in a more efficient and reliable way. The planned maintenance or the restoration project became more collaborative and interactive, optimizing the whole process of HBIM data collection

RELATED WORKS
HBIM and ontology modelling
WORKFLOW
Data enrichment
Data conversion for on-line exploration
RESULTS
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