Profile picture

Pieter Pauwels

Assistant Professor CAD and BIM
Department of Architecture and Urban Planning, Ghent University
J. Plateaustraat 22, 9000 Ghent, Belgium

Freelance IT consultancy en databeheer in de bouwsector
Freelance IT consultancy and data management in construction industry

My work and interests are in information system support for the building life-cycle (architectural design, construction, building operation). I work as a full-time researcher on topics affiliated to design thinking, Building Information Modelling (BIM), Linked Building Data, Linked Data in Architecture and Construction.

architecture and facility management
automation in construction
BIM modelling
built heritage modelling
database applications
design thinking
information management for construction
linked (building) data
semantic web technologies
software development for construction

Product ontologies

Building Element:

Distribution Element:

Civil Element:

IFC ontologies

ifcOWL (IFC4_ADD2_TC1): .TTL - .RDF - .HTML

ifcOWL (IFC4_ADD2): .TTL - .RDF - .HTML

ifcOWL (IFC4_ADD1): .TTL - .RDF - .HTML

ifcOWL (IFC4): .TTL - .RDF - .HTML

ifcOWL (IFC2X3_TC1): .TTL - .RDF - .HTML

ifcOWL (IFC2X3_Final): .TTL - .RDF - .HTML

ifcOWL (22 May 2015): html

IFC ontologies (tentative)

IfcRoad (IFCROAD_K):

IfcBridge (IFC4x2):

IfcAlignment (IFC4x1_RC3):

EXPRESS and LIST ontologies



Other ontologies

SimModel: .ttl - .owl - .rdf - .html

Note: These are locally hosted ontologies, including a local namespace URI: Many of these are also available in other repositories and namespaces, such as,,,, and so forth.

Activities and projects

IFC repository

IFC-to-RDF convertor

source code:

online IFC-to-RDF convertor:

ifcOWL ontology (IFC4_ADD1)

ifcOWL ontology (IFC4)

ifcOWL ontology (IFC2X3_TC1)

ifcOWL ontology (IFC2X3_Final)

SimModel-to-RDF convertor


Reasoning with EYE in architecture and construction

Acoustics rule checking: EN12354 and NBN-S01-400-1:2008

Geometric inferences: IFC to X3D to STL

IFC model perspectives


DCC2014 (PDF): Additional data

NordDesign2014 (PDF): Additional data

TIATAB database (BBRI)

web application development:


LDAC2019, Lisboa, Portugal

LDAC2018, London, UK

LDAC2017, Dijon, France

LDAC2016, UPM, Madrid, ES

Beyond BIM, Ghent, BE, 2015 (website)

1st Summer School on Smart Cities and Linked Open Data (LD4SC-15), Cercedilla, ES, 2015 (website)

Building Knowledge workshop, i-KNOW2014, Graz, AT, 2014 (website)

Open Systems & Methods for Built Environment Modelling workshop, eCAADe2012, Prague, CZ, 2012

Working groups

W3C Linked Building Data Community Group

W3C LBD Homepage

Internal W3C LBD Portal

W3C LBD CG Github

BuildingSMART Linked Data Working Group



Selected publications

Special Issues

Other publications

SlideShare: and

2008-2012: PhD in Civil Engineering: Architecture

PhD Thesis - summary: PDF

PhD Thesis - full: PDF (14MB)

2003-2008: Master in Civil Engineering: Architecture


2017-now: assistant professor Ghent University (Department A&S)

Department website:

2014-2017: postdoctoral researcher Ghent University (Department A&S)

2012-2014: postdoctoral researcher University of Amsterdam (ILLC)

Last update: 2 January 2019