Semantic Technology for Energy-efficient
B ildi Pl iBuilding Planning
SEMERGYSEMERGY
Gebäudeplanung mit Zukunft
Project Leader Ardeshir Mahdavi & A Min Tjoa
Sub Project Leader Stefan FenzSub Project Leader Stefan Fenz
Funding agency Austrian Research Promotion Agency (FFG)
Presented by Muhammad Asfand-e-yar
OutlineOutline
Introduction
Motivation and GoalsMotivation and Goals
Design - Barriers and Expectation
SEMERGY: Concept
SEMERGY Obj iSEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f tiSEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
OutlineOutline
Introduction
Motivation and Goals
Introduction
Motivation and Goals
Design - Barriers and Expectation
SEMERGY: Concept
SEMERGY Obj iSEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f tiSEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
IntroductionIntroduction
 Increasing energy efficiency is one of the most promising
t t i f t i bl i i d tistrategies for sustainable emission reduction
 Many potential fields
 M bilit Mobility
 Industry
 Energy production Energy production
 Building heating and cooling
 etc
Building heating and cooling
 Minimum Energy Emission
 Calculated at early stages of design
 Analysing building materials according to weather conditions
IntroductionIntroduction
 Conventional methods
 Cumbersome, time consuming and error prone
 Prevent in-depth design analysis
 Ineffective initial decision making
 Proper building products search for
effective building design is requiredg g q
 Early design alterations in designing
building modelg
OutlineOutline
Introduction
Motivation and Goals
Introduction
Motivation and GoalsMotivation and Goals
Design - Barriers and Expectation
SEMERGY: Concept
SEMERGY Obj i
Motivation and Goals
SEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f tiSEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
Motivation and GoalsMotivation and Goals
CE ffi i tFinal Goal
Problems
•Sort o t ario s prod cts• Consumes more energy
• Not economical
• Not environment friendly
• Energy efficient
• Economical
• Good living quality
Final Goal •Sort out various products
•Good quality building structure
•Economical
Learn and Observe
Required products and its combination
Handling local environment
Terms and condition
EconomicalEconomical
and many more
OutlineOutline
Introduction
Motivation and GoalsMotivation and GoalsMotivation and Goals
Design - Barriers and Expectation
SEMERGY: Concept
SEMERGY Obj i
Motivation and Goals
Design – Barriers and Expectation
SEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f tiSEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
Design Barriers and ExpectationsDesign – Barriers and Expectations
 Early-stage performance assessment can drastically affect final performance
of the buildingg
 Currently assessment tools are used for certification and labeling of the final
product rather than to support design decisionsproduct rather than to support design decisions
 Less than 10% of the developed tools are targeted for architects and
designersdesigners
Source: Attia 2011
Design Barriers and ExpectationsDesign – Barriers and Expectations
 Intelligence: capability to analyse results, draw meaningful conclusions, and
suggest clear guidelines to improve designgg g p g
 Usability: Facility of accumulation and entry of input information and
performing computationsperforming computations
Source:Attia 2011 Source: Mahdavi et al. 2005
Out lineOut line
Introduction
Motivation and GoalsMotivation and Goals
Design - Barriers and Expectation
SEMERGY: Concept
SEMERGY Obj i
Design – Barriers and Expectation
SEMERGY: Concept
SEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f ti
SEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f iSEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
SEMERGY: Basic Information
SEMERGY: Software overview
SEMERGY: ConceptSEMERGY: Concept
 Laymen
 Architects
 Municipalities
B ildi d
 Performance
assessment
 Life Cycle Analysis
OPTIMIZATION
 Building products
 Building codes
 Subsidies
 Life Cycle Analysis
 Cost estimation
SEMERGY: ObjectiveSEMERGY: Objective
 Effective building design according to provided
requirements
 Evaluating building design
 Functional evaluation
 Ecological evaluation
 Economical
 Important feature of SEMERGY isp
 Search building materials using various product libraries
 Multi-object decision support, to construct building designj pp g g
SEMERGY: FocusSEMERGY: Focus
 SEMERGY bridge the gap between
 Complex Real world products Complex Real world products
 User’s requirements
 SEMERGY focus on
 Investment and operation costs
 Energy performance and environmental impactgy p p
 SEMERGY has information that includes
 Building material Building material
 Building products
 Building components
Cli i f i i i Climate information in region
 Financial information
SEMERGY: StructureSEMERGY: Structure
Source: Mahdavi et al. 2012
SEMERGY: StructureSEMERGY: Structure
Source: Mahdavi et al. 2012
SEMERGY: GUISEMERGY: GUI
 Novice users: SEMERGY Graphical Web-Based User Interface
 Experienced professionals (architects): Extended SEMERGY Experienced professionals (architects): Extended SEMERGY
Graphical Web-Based User Interface, with import possibility from
BIM and CAD
 Area municipalities or other local authorities: Import from GIS data Area municipalities or other local authorities: Import from GIS data
SEMERGY: StructureSEMERGY: Structure
Source: Mahdavi et al. 2012
SEMERGY: OntologySEMERGY: Ontology
 Acquisition of data from different sources
 Restructuring of the acquired data to enable specific queris Restructuring of the acquired data to enable specific queris
 Extension of restructured data with additional information to allow
precise search and implementation of rules
ERGYSEME
SEMERGY: Ontology P d t Hi hSEMERGY: Ontology, Product Hierarchy
 Baubook platform is used for
building design
 Ecological
 Physical
Properties of building products.
 Baubook is categorized as the main
hierarchy of SEMERGY ontology.
 Baubook products are extracted
and then converted to RDF
format.
 An example of such derived
property is thermal resistance
 R-Value
 Calculated on the base of thickness and
thermal conductivity of products
SEMERGY: Ontology S b P d t P tiSEMERGY: Ontology, Sub-Product Properties
 Details of products are required,
for rule based reasoningg
 Gypsum board, is a moisture-sensitive,
and not appropriate for exterior usage
 Properties in SEMERGY ontology
are categorized as
 Functional aspects of building
W ll C ili R f Wall, Ceiling or Roof components
 Position in Assembly
 Includes model specific aspects of
building that are used in different parts
of building construction
 Format
 Physical properties and Shape of
productsp
 Material of a product
 Wood, Concrete, Glass, Metal
SEMERGY: Ontology E i hi Hi hSEMERGY: Ontology, Enriching Hierarchy
 Descriptions of products cannot
provide complete information forp p
reasoning
 Baubook hierarchy should be enriched
 E t bli h d ti b t Established connection between
Baubook classes and extended
properties
 Wall is a subclass of SEMERGY ontology
 Load Bearing
 Heavy
 Solid
 Enriching Baubook hierarchy helps Enriching Baubook hierarchy helps
 Calculation and simulation purpose
 Each product is categorized in two Each product is categorized in two
default products
 Non-expert users
 Expert users
SEMERGY: Baubook InterfaceSEMERGY: Baubook Interface
SEMERGY: Data SourceSEMERGY: Data Source
<owl:NamedIndividual rdf:about="#solidwood_2142705277">
<rdf:type rdf:resource="#SolidWood"/><rdf:type rdf:resource= #SolidWood />
<rdfs:label l:lang="de">Brettsperrholzplatte</rdfs:label>
<rdfs:comment xml:lang="de„> Großformatige Massivholzpaneele aus
K i l i B lKreuzweiseverleimten Brettlagen ...
</rdfs:comment>
<semergy:heatTransferCoefficient>0.12</semergy:heatTransferCoefficient><semergy:heatTransferCoefficient>0.12</semergy:heatTransferCoefficient>
<semergy:acidificationPotential>0.00341</semergy:acidificationPotential>
<semergy:notRenewablePEI>8.04</semergy:notRenewablePEI>
<semergy:gloablWarmingPotential>-
<semergy:acidificationPotential>0.00341</semergy:acidificationPotential>
<semergy:notRenewablePEI>8.04</semergy:notRenewablePEI>
<semergy:gloablWarmingPotential>-<semergy:gloablWarmingPotential>
1.26</semergy:gloablWarmingPotential>
</owl:NamedIndividual>
gy g g
1.26</semergy:gloablWarmingPotential>
SEMERGY: StructureSEMERGY: Structure
Source: Mahdavi et al. 2012
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
 Incorporation of computational engines (performance simulation,
normative assessment tools))
 Identification of design alternatives
 Optimization of the initial design towards better performance within the
limits of the user defined constraintslimits of the user defined constraints
Alternative
Identification
SEMERGY
O ti i ti
LCA,
Optimization
procedure
Cost estimation,…
SEMERGY: StructureSEMERGY: Structure
Source: Mahdavi et al. 2012
SEMERGY: Workflow Reasoning Interface
SEMERGY: Workflow
Validation and
benchmarking
Calculation
g
Validation against
ser defined criteria
e
g
of results
Identification
of alternatives
user defined criteria
User constraints: desired performance
class, costs and environmental aspects
Geometry
User preferences for
t ti l ti
erInterface
User’s
geometry
eckfor
vedesign
y
data
constructions, location,
building usage
Use
E t ti f ti d t
g y
data
Codech
alternativ
SEMERGY Building
Model (SBM)
Semantic Interface
Extraction of semantic data
based on user preferences
Results
Semantic
enrichmentFunding
possibilities Building
Building Code
possibilities
Weather
data
Building
product
information
Valid options for
alternative design
SEMERGY: Basic Building InformationSEMERGY: Basic Building Information
 Input data: Geographic Location (Address), Year of
i di l di i f b ildi bConstruction, Cardinal directions, Type of building, Number
of Floors, Room Type, etc.
SEMERGY: Building GeometrySEMERGY: Building Geometry
 Web-based drawing tool for simple specification of Outer
ll ll i d d f h fl f hwalls, Inner walls, Windows, and Doors for each floor of the
building.
SEMERGY: Room InformationSEMERGY: Room Information
 Input data based on Floor Plan: Room height, Room type
( ffi i i ) i d d i h(Office, Living room, etc.), Window and Door Heights.
SEMERGY: Building ConstructionSEMERGY: Building Construction
 Predefined set of building constructions (Like: Walls, Floors, Ceilings,
Doors and Windows) allows the user to choose the type for each of theseDoors, and Windows) allows the user to choose the type for each of these
constructions (e.g., Wall construction with layers Plaster (1), Brick (2),
Insulation (3))
SEMERGY: Building ConstructionSEMERGY: Building Construction
 Comprehensive building material catalog allows to specify proper materials
for each layerfor each layer.
SEMERGY: Target Value SpecificationSEMERGY: Target Value Specification
 Based on the given input data the energy consumption of the current
building is computedbuilding is computed
 In this step the user sets his constraints regarding Investment Costs, Energy
Consumption, and Sustainability of the refurbishment project.
SEMERGY: Multi Object OptimizationSEMERGY: Multi-Object Optimization
 Based on provided constraints, SEMERGY computes potential
refurbishment options which suit the individual needsrefurbishment options which suit the individual needs
 For example: Budget, Acquiring Energy Efficiency, and Sustainability of
Building Materials
SEMERGY: Multi Object OptimizationSEMERGY: Multi-Object Optimization
 SEMERGY allows user to interactively modify the constraints, and shows
how changes in one category affect the remaining categorieshow changes in one category affect the remaining categories
 For example: Cheaper solutions will normally result in lower energy
efficiency
SEMERGY: Multi Object OptimizationSEMERGY: Multi-Object Optimization
 Main goal of optimization procedure is to identify alternative
building designbuilding design
 Alternative building design are generated through selecting different
types oftypes of
 Material
 Products
 Components
Each alternative design contributes to better insulation options
 Cost is classified as resource
 Minimum cost but quality is maintained
 Aim of SEMERGY multi object Optimization Aim of SEMERGY multi-object Optimization
 Evaluating better components
 Decision making
SEMERGY: Final ResultsSEMERGY: Final Results
 SEMERGY produces a list of concrete building materials for each
construction that meets the individual requirementsconstruction that meets the individual requirements
 For example: Investment Costs, Energy Efficiency of the building, and
Sustainability of Building Products
SEMERGY: Software (O i )SEMERGY: Software (Overview)
OutlineOutline
Introduction
Motivation and GoalsMotivation and Goals
Design - Barriers and Expectation
SEMERGY: Concept
SEMERGY Obj i
SEMERGY: Concept
SEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Objective
SEMERGY: Structure
SEMERGY: User Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning Interface
SEMERGY: Ontology
SEMERGY: Baubook
SEMERGY: Reasoning InterfaceSEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f ti
SEMERGY: Reasoning Interface
SEMERGY: Workflow
SEMERGY: Building Data Model
SEMERGY B i I f iSEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
SEMERGY: Basic Information
SEMERGY: Software overview
Conclusion
ConclusionConclusion
 Increasing energy efficiency is the key to a greener future
 Increasing building’s energy efficiency is a major component of
upcoming energy efficiency strategies
 SEMERGY enables the user to understand how building geometry
and materials affect its energy efficiencygy y
 SEMERGY provides concrete suggestions to improve the building’s
energy efficiencyenergy efficiency
SEMERGY: Ongoing Activities & ChallengesSEMERGY: Ongoing Activities & Challenges
 BIM import possibilities for expert users
 Cost estimation
 HVAC
 GIS data
Generation of an SBM model based on this data
 Development of a data release format for product
manufacturers to enable uniform retrieval of product
information
 Current estimated product cost
SEMERGY: Future Building Data ModelSEMERGY: Future Building Data Model
 Requirements:
on
ers
 Compliance with integrated
computational engines
 Extensibility for future
Calculatio
paramete
 Extensibility for future
 Study of some existing
`
perational data
 Study of some existing
building data formats:
 IFC
Ometry
 IFC
 gbXML
 Shared Object Model for Geomc data
SEMPER
onents’ semanticBuilding compo
List of Team MembersList of Team Members
Institute of Building Physics and Building Ecology:
U i P f DI D t h A d hi M hd iUniv. Prof. DI Dr. tech. Ardeshir Mahdavi
DI Dr. Tech. Ferial Shayeganfar
DI Ulrich J. Pont
M.Sc. DI Neda Ghiassi
DI Mahnameh Taheri
B. Sc. Christian Sustr
B.Sc. Arch. Kristopher F. Hammerberg
B.Sc. Dawid Wolosiuk
B Sc Vaibha JainB. Sc. Vaibhav Jain
Institute of Software Technology and Interactive Systems:
O.Univ.Prof. DI Dr.tech. A Min Tjoa
Mag. DI Dr. rer. Amin Anjomshoaa
DI Dr. tech. Stefan Fenz
Mag. Johannes Heurix
DI Dr. tech. Thomas Neubauer
SEMERGY: www semergy netSEMERGY: www.semergy.net
This is PaulPaul wants to have a better and good living place. Paul has his homeTherefore he need energy efficient and optimize home, that require less resourcesPaul face the problems and came to the point that how can he can sort out thePaul has to learn and to observe required products combinations, determining legalIn current time, solution name is SEMERGY. It is an easy solution. Only simple inputsThe SEMERGY is clever, it fulfill all the important information, product propertiesThe sustainability information, legal terms and production possibilities in the buildingWhat he finally got? A complete massive entry of packet that is exactly accordingand he can adjust or reorganize the requirements without further defining theWhen he query in the future, probably, SEMERGY is also fit for the huge building’sSEMERGY is fit for the whole community of building, as like for townships. It is anSEMERGY is an energy efficient building system for a green future.This is Paul
which consumes more energy, is not environment friendly and also not economical.to use, save his money and at the same time make his living quality better.number of products for a good quality of building structure and at same time economical.
q p g g
rights, handling local environment, terms and condition, and many more, only to make
an initial plan for construction.
, y y p p
are used. He can begin with planning, an energy efficient building.
, p , p p p
and qualities, environmental information, product price,construction way and can simulate various scenarios.
y g p y p y g
to his home requirements,
j g q g
requirements, just using the slide bars.
q y , p y, g g
construction.
y g, p
optimal recommendation for various scenarios.
gy g y g
Q&AQ&A