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Authors: Dongming Guo ; Erling Onstein and Angela Daniela La Rosa

Affiliation: Department of Manufacturing and Civil Engineering, Norwegian University of Science and Technology, Gjovik, Norway

Keyword(s): ifcOWL, Well-Known Text (WKT) Expressions, IFC Schema, Geometry Data, Shape Representation.

Abstract: Building Information Models (BIM) are considered as building digital representations, including comprehensive geometric and non-geometric information. For improving BIM interoperability, the semantic related technologies have been the one of main approaches for processing BIM data. Currently, ifcOWL is a recommended Web Ontology Language (OWL) representation of the Industry Foundation Classes (IFC) schema. When BIM geometric data is translated into ifcOWL representations, the excessive number of triples will be produced, and the generated Resource Description Framework (RDF) file will also be extremely bigger than the IFC original file. For generating concise geometric representation in Semantic Web context, Well-known text (WKT) has been widely used to describe BIM geometry data in ifcOWL. However, to avoid losing semantic information, only some simple pre-existing WKT expressions (Point or LineString) are used to describe BIM geometric aggregated data in semantics context. For solv ing this issue, we propose an improved approach that can represent BIM geometric data in ifcOWL ontology through WKT high order expressions. This representation can not only take full advantage of pre-existing WKT expressions to generate a more concise RDF representation, but also reduce the loss of semantic information. (More)

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Paper citation in several formats:
Guo, D.; Onstein, E. and Rosa, A. (2021). An Improved Approach for Effective Describing Geometric Data in ifcOWL through WKT High Order Expressions. In Proceedings of the 7th International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM; ISBN 978-989-758-503-6; ISSN 2184-500X, SciTePress, pages 229-236. DOI: 10.5220/0010532302290236

@conference{gistam21,
author={Dongming Guo. and Erling Onstein. and Angela Daniela La Rosa.},
title={An Improved Approach for Effective Describing Geometric Data in ifcOWL through WKT High Order Expressions},
booktitle={Proceedings of the 7th International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM},
year={2021},
pages={229-236},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010532302290236},
isbn={978-989-758-503-6},
issn={2184-500X},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM
TI - An Improved Approach for Effective Describing Geometric Data in ifcOWL through WKT High Order Expressions
SN - 978-989-758-503-6
IS - 2184-500X
AU - Guo, D.
AU - Onstein, E.
AU - Rosa, A.
PY - 2021
SP - 229
EP - 236
DO - 10.5220/0010532302290236
PB - SciTePress