workshop ontology modelling 2011, session 8 - reasoning with data: building performance checking and...

Faculty of Engineering and Architecture

Session 8

Reasoning with data: building performance

checking and schema transformations

Workshop Ontology Modelling

Barcelona, 19-21 December 2011


design

[1] Linked Data – Connect Distributed Data across the Web. http://linkeddata.org/ (2011)


[2] R. Cyganiak, C. Bizer. Pubby – A linked data frontend for SPARQL endpoints. http://www4.wiwiss.fu-berlin.de/pubby/.

[3] OpenLink Software. Virtuoso Universal Server. http://virtuoso.openlinksw.com/.


Outline

1. Information visualization

2. Building performance checking

3. Interoperability and schema transformations


INFORMATION VISUALIZATION


‘Intelligent’ Virtual Environments

[4] GraphiSoft. GraphiSoft Virtual Building Explorer for ArchiCAD.

http://www.graphisoft.com/products/virtual-building-explorer/.


Even more ‘Intelligent’ Virtual Environments


1. Esperient Creator

2. 3DVIA Virtools

3. Unity3D

4. Quest3D

5. StoneTrip ShiVa

[5] P. Pauwels, R. De Meyer, J. Van Campenhout. Visualisation of semantic architectural information within a game engine

environment. In Proceedings of the 10th International Conference on Construction Applications of Virtual Reality. 2010.

219-228.

How to create the virtual environment?


The information flow

BIM model

FBX representation

IFC representation

export

export

Virtual world in Unity3D

import

BIM model in LOD cloud

IFC-to-RDF Service

Real-time communication

Enriched BIM model

References to LOD cloud


1. Creation of the virtual world



219-228.


2. Implementation of functionality (1)

connecting FBX representation to the LOD cloud (1)


SELECT distinct ?s WHERE {

?s <http://multimedialab.organon.elis.ugent.be/ontologies/IFC2X3#tag> "175853"^^xsd:string .

?s <http://multimedialab.organon.elis.ugent.be/ontologies/IFC2X3#representation> ?o

}

2. Implementation of functionality (2)

connecting FBX representation to the LOD cloud (2)


3. Build Graphical User Interface (GUI)



219-228.


BUILDING PERFORMANCE CHECKING


Today’s approach

materials databases

CAD software

NBN

S01-

400-1

standards

building model

output formats

BIM

- acoustic analysis

- thermal analysis

- energy analysis

Target apps

dedicated software

materials databases materials

databases

[6] P. Pauwels, D. Van Deursen, R. Verstraeten, J. De Roo, R. De Meyer, R. Van de Walle, J. Van Campenhout. A semantic

rule checking environment for building performance checking. Automation in Construction 20(5) 2011, 506-518.


Proposed approach: step 1

materials databases

CAD software

NBN

S01-

400-1

standards

IFC instance

BIM

- acoustic analysis

- thermal analysis

- energy analysis

Target apps

dedicated software


databases




Proposed approach: step 2

materials databases

CAD software

NBN

S01-

400-1

standards

IFC instance

BIM

- acoustic analysis

- thermal analysis

- energy analysis

Target apps

Formally described rules


databases




Semantic BIM: schematic overview

materials databases


databases

IFC

instance of

NBN

S01-

400-1

standards and application-

specific calculations

N3 rules

Reasoner




# Calculate R' [dB] for each Space surface that has a calculated Te,i value

{

# Find relevant Space surface and their Te,i values

?SS a ifc:SpaceSurface.

?SS ifc:spaceBoundary [ifc:relatedBuildingElement [:acousticTau ?tau1]].

(?SCOPE 1) e:findall

(?tau {?SS ifc:spaceBoundary [ifc:relatedBuildingElement [:acousticTau ?tau]].}

?tauList).

# Calculate R' [dB] for each Space surface

?tauList math:sum ?summedTau.

(10 ?x) math:exponentiation ?summedTau.

(-10 ?x) math:product ?R

}

=>

{?SS :acousticR ?R}.

Converting standards into N3Logic




INTEROPERABILITY AND SCHEMA TRANSFORMATIONS


?

[7] P. Pauwels, D. Van Deursen, J. De Roo, T. Van Ackere, R. De Meyer, R. Van de Walle, J. Van Campenhout. Three-

dimensional information exchange over the semantic web for the domain of architecture, engineering, and construction.

Artificial Intelligence for Engineering Design, Analysis and Manufacturing 25 (4) 2011, 317-332.

[8] P. Pauwels, R. De Meyer, J. Van Campenhout. Interoperability for the Design and Construction Industry through

Semantic Web Technology. 5th International Conference on Semantic and Digital Media Technologies. In Lecture Notes in

Computer Science 6725, 2011, 143-158.


STL/RDF

X3D/RDF

IFC/RDF





CONCLUSION


How to integrate diverse information models, in particular those that

describe the same information differently???