eConstruct eCommerc e & eBusiness in the European Building and Construction Industry: Preparing for the Next Generation Internet The European DG13 5 th Framework IST Programme Key Action II – New Methods of Work and Electronic Commerce – Project No. IST-1999-10303

Why eConstruct? Building & Construction Industry Each country has its own Language concepts Standards Operates locally - Act as an European Player - Operate across National boundaries

Each country has its own

Language

concepts

Standards

Operates locally

Why eConstruct? Contractor/ sub contractor Procure / Bid Locally Difficult to survey market Search in many portals with different structures and languages Procure / Bid Europe-wide Easy to survey market Search in different portals with same structure in one‘s own language

Procure / Bid

Locally

Difficult to survey market

Search in many portals with different structures and languages

Procure / Bid

Europe-wide

Easy to survey market

Search in different portals with same structure in one‘s own language

Why eConstruct? Manufacturer or Supplier Sell - Locally in different languages To a fragmented Industry O ffered through many portals with different data structures (catalogues) Sell Europe-wide automatically translated Through one channel Offer through many portals in one data structure (catalogues)

Sell - Locally in different languages

To a fragmented Industry

O ffered through many portals with different data structures (catalogues)

Sell

Europe-wide

automatically translated

Through one channel

Offer through many portals in one data structure (catalogues)

Why eConstruct? Portals Provide Information - Locally To a fragmented Industry Each product in its own data structure (catalogues) Provide Information Europe-wide Easy to maintain in many languages Through o ne data structure (catalogues)

Provide Information - Locally

To a fragmented Industry

Each product in its own data structure (catalogues)

Provide Information

Europe-wide

Easy to maintain in many languages

Through o ne data structure (catalogues)

Why eConstruct? Contractor Supplier Portal Supplier Contractor Portal Portal Contractor Supplier €

Therefore eConstruct € Contractor Supplier Portal Product Models Internet Lack of Standards bcXML Digital Catalogues

What Industry needs Open communication for catalogue information Agreement needed on these catalogue ‘Objects’ and their ‘Properties’ Require a ‘flexible’ structure – that also supports catalogue specific information To be able to find things and compare them Inexpensive and easy to use

Open communication for catalogue information

Agreement needed on these catalogue ‘Objects’ and their ‘Properties’

Require a ‘flexible’ structure – that also supports catalogue specific information

To be able to find things and compare them

Inexpensive and easy to use

Goal Develop Implement Disseminate a new Communication Technology tailored to the Building and Construction Industry Building and Construction eXtensible Mark-up Language bcXML

Develop

Implement

Disseminate

a new Communication Technology

tailored to the Building and Construction Industry

Building and Construction eXtensible Mark-up Language bcXML

Overview Bridging Technology Worlds ISO STEP IAI IFC (ifcXML_COS) Software CAD / IfcBrowsers XML/edi ebXML /eBES UDDI (IBM, Ariba, Microsoft) Rosettanet Software CommerceOne Ariba MS BizTalk Server ISO/TC59/SC13/WG6 PAS-12006/3 (Meta-Schema) ICIS Software LexiCon Explorer ASVB MiddelenBank Classification Generic eCommerce & eBusiness PDT Sharing (ifcXML_COS) Linking (to IFC) Mapping Tailor ing & Us age Generic eCommerce & eBusiness

Concepts IAI: Product Data Technology real world semantic model implementation data exchange (files) IFC 151 IFC 2x EXPRESS IFC STEP File IFC XML file STEP Toolbox ifcXML ifcXML optimized bcXML, files bcXML 2 Stage Stage 1 COS

Modelling Dictionaries & Taxonomies Dictionaries Strings/words: isolated terms for objects, properties etc. Taxonomies interrelated objects & properties objectification (from strings to things) specialisation object <> property connection (Classification: objects/specialisation only) Door Flush Door Door Flush Door Dictionary Taxonomy terms connection Hinges, Locks Weight objects & properties specialisation

Dictionaries

Strings/words: isolated terms for objects, properties etc.

Taxonomies

interrelated objects & properties

objectification (from strings to things)

specialisation

object <> property connection

(Classification: objects/specialisation only)

Construction Accomodation construction Buffered construction Connection construction Covering construction Framing construction Guiding construction Operating construction Separation construction Access construction Casement Door Door set Door leaf Folding-sliding door Revolving door Sectional door Stable door Gate Hatch Sash Screen Strip door Light Entrance construction Opening construction Wall Span construction Material Space Part of the: “bcBuildingDefinitions” bcTaxonomy Coiling door Flexible door Flush door Glass door Metal flush door Plastic flush door Timber flush door Hollow timber flush door Solid timber flush door Folding door Ledged door Panelled door Specialisation Tree

Construction

Accomodation construction

Buffered construction

Connection construction

Covering construction

Framing construction

Guiding construction

Operating construction

Separation construction

Access construction

Casement

Door

Door set

Door leaf

Folding-sliding door

Revolving door

Sectional door

Stable door

Gate

Hatch

Sash

Screen

Strip door

Light Entrance construction

Opening construction

Wall

Span construction

Material

Space

Coiling door

Flexible door

Flush door

Glass door

Metal flush door

Plastic flush door

Timber flush door

Hollow timber flush door

Solid timber flush door

Folding door

Ledged door

Panelled door

Modelling bcTaxonomy Object Definition Property Definitions + Door Leaf Thickness Door Leaf Width Door Leaf Height Clear Opening Width Clear Opening Height Edge Shape Door Shape Internal/External Location Availability Delivery Time Catalogue Code EAN Description Product Line Trade-name List Price URL Door leaf bcDictionary: terms used bcTaxonomy

Lexicon Explorer

Taxonomy Concepts Grouping Dictionary Multi-lingual Descriptions Vocabulary S pecialisation Conceptualisation Subjects, Activities, Properties, Measures & Units Multi-lingual Terms ExternalReferences Taxonomy Open Taxonomy: LexiCon Organizations

Modelling eConstruction Architecture ISO STEP EXPRESS Technology & W3C XML Technology UN/OASIS CEN/ISSS eBes WS EU 5 th FW IST OpenXchange ebXML ISO TC59/SC13/WG6 / ICIS CEN/ISSS eConstruction WS EU 5FW IST eConstruct / ICCI EU 5FW IST ROADCON XTD & xtdXML ISO TC59/SC13/WG6 / ICIS CEN/ISSS eConstruction WS EU 5FW IST eConstruct / ICCI EU 5FW IST ROADCON bcXML Specification Transaction Content Aspect Level IAI IFC2x & ifcXML / COS Modelling Definition

bcXML Meta-Model Restricts to: {m, kg, s,...} anyUri (from Datatypes) <<datatype>> string (from Datatypes) <<datatype>> anySimpleType (from Datatypes) <<datatype>> integer (from Datatypes) <<datatype>> language (from Datatypes) <<datatype>> Explanation Name NativeLanguage RestrictedValue Unit NativeName <<key>> NativeExplanation Translation 1 1 0..1 0..1 1 1 MinCardinality MaxCardinality Taxonomy 1 1 0..n 0..n Property 0..n 0..n 0..1 0..1 Description <<group>> 1 1 0..1 0..1 1 1 1 1 0..n 0..n ExternalReference Relationship 0..1 0..1 0..1 0..1 Object 1..* 1..* 0..1 +SupertypeRef 0..1 0..n 0..n 1 1 0..n 0..n 0..n 0..n 1 +TargetObjectRef 1 0..n +PartRef 0..n

bcXML Architecture Catalogue Internet bcXML Browser VR Front-end Computer Aided Selling (CAS) IfcBrowser ProjectDB XML-Server EXPRESS Data Manager Catalogue Generator CAS Catalogue Definer Resource DB Server Software Clients Taxonomy Taxonomy Server Catalogue Supplier Catalogue Server bcBuildingDefinitions taxonomy CatalogueExplorer LexiCon Explorer Catalogue Data (Spreadsheet) bcXML XML Data (Catalogues) bcXML Requirement and Solution Specification messages LexiCon Converter Lexicon.xml bcXML XML Data (Catalogues) IFC Data (Building from CAD) CAS Catalogue XML Data (Catalogues)

Example Scenario

Prototype Demonstration

Taxonomy Server (1)

Multiple Language Support

German

French

Greek

Searching for a Timber Flush Door

Searching for a Timber Flush Door

Set Requirements

Requirements Message

Select Catalogue Server

Select Catalogues

Type of Search

Solutions (1)

Solutions (2)

Solutions (3)

Linking Catalogue and IFC model information

Linking Catalogue and IFC model information

TNO IfcBrowser

Selecting an Ifc Object

Derived Attributes

Taxonomy Search

Catalogue Search

Setting Requirements

Possible Solutions

Chosen Solution

Linking Catalogue Information

Jeff Stephens [email_address] More Information http://www.bcxml.org