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PLCS DEXsTrine HansenDNV20 April 2005
Content
• OASIS / PLCS Organization • PLCS DEXs • DEX architecture• Process – define and verify capabilities• Way forward
OASIS / PLCS Organization
Quality AssuranceLeadTesters
Quality AssuranceLeadTesters
OASIS TCChairSecretariat1 Voting Member per CompanyTechnical LeadImplementers Forum Lead
OASIS TCOASIS TCChairSecretariat1 Voting Member per CompanyTechnical LeadImplementers Forum Lead
PLCS TC Organization
Technical OversightLead (Information Architect)2 Tool Experts2 Business Experts
Technical OversightTechnical OversightLead (Information Architect)2 Tool Experts2 Business Experts
DEX Development Teams
1 Team Lead1 Modeler1 Business Expert
Implementers ForumLeadSoftware Product VendorsImplementersIntegrators
Implementers ForumLeadSoftware Product VendorsImplementersIntegrators
Infrastructure / Tool Team
Information Architect1 Tool Expert
Secretariat1 Secretariat
SecretariatSecretariat1 Secretariat
Pilots/ProjectsNorwegian PilotUK MOD PilotSwedish PilotOthers
Pilots/ProjectsNorwegian PilotUK MOD PilotSwedish PilotOthers
DEX 0 Development Team
DEX 1 Development Team
DEX 2 Development Team
DEX X Development Team
DEX 0 Development Team
DEX 1 Development Team
DEX 2 Development Team
DEX X Development Team
DEX Y Development TeamDEX Y Development Team
DEX development - Overall status
• 8 DEXs are under development, all together representing the major part of the AP239 domain
• 90 capabilities are defined (building blocks for the DEXs)
• A PLCS reference data library is established (add semantics to the AP239 model)
• The DEXLib tool is established for support of
– Development of the DEXs
– Review activities
– All DEX relevant documentation. Single source of all DEX information
What is a DEX?
• A DEX represents a sub-set of the PLCS data model that includes constraints on how the model can be
interpreted • It serves as a technical specification for implementers of PLCS• The use of standardised DEXs enables:
– The common interpretation of PLCS; multiple dialects of PLCS are avoided– Easy communications across the user communities– A unique reference source for contractors
Maintenance PlanReliability data
LCC data
Provision data
PLCS DEXs
• Product Breakdown for support (D001)• Fault states (D002)• Task set (D003)• Work package definition (D004)• Maintenance plan (D005)• Operational feedback (D007)• Product as individual (D008)• Work package report (D009)
DEX Business framework
PLCSRef data
Business specificref. data
Capability(Usage guide)
Businessspecific concepts
DEX
Exchange contract
Conformance Class
How to represent
What to be represented
Based on
DEX Architecture – Reference data
• Add semantics to the PLCS model •PLCS Reference data library is established• Created and published using the W3C Web Ontology Language (OWL)
PLCSRef data
Business specificref. data
Capability(Usage guide)
Businessspecificconcepts
DEX
Exchange contract
Conformance Class
Based on
DEX Architecture – Capabilities
• Building blocks for the DEX• Represent generic business concepts• Describe HOW the model (AP 239) should be used to represent generic business concepts• Documented in DEXLib
PLCSRef data
Business specificref. data
Capability(Usage guide)
Businessspecificconcepts
DEX
Exchange contract
Conformance Class
Based on
DEX Architecture – DEX
• A DEX represents a sub-set of the PLCS data model • The DEXs are defined to support specific business processes• Support efficient exchange of information between IT systems or organizations• Documented in DEXLib
PLCSRef data
Business specificref. data
Capability(Usage guide)
Businessspecificconcepts
DEX
Exchange contract
Conformance Class
Based on
DEX Architecture – Business Concepts
• Capabilities applied in a business specific context• Mapping guide• A business concept may contain:
• Mapping (textual) to the capability/capabilities that represent the concept• Description of the applicable reference data• Constraints, if needed• Instance diagram
PLCSRef data
Business specificref. data
Capability(Usage guide)
Businessspecificconcepts
DEX
Exchange contract
Conformance Class
Based on
DEX Architecture – Exchange contract
An exchange contract explain WHAT information that is required in a specific data exchange:
• Identify the DEX and its version• Identify the relevant conformance class (documented in the DEX)• Identify business concepts (which again refer to business specific sets of reference data)• Reference data library / ref data sources• Bounding scope of reference data • Data representation rules and constraints (for data validation)• Explanation of HOW that information is represented is defined in the capabilities
PLCSRef data
Business specificref. data
Capability(Usage guide)
Businessspecificconcepts
DEX
Exchange contract
Conformance Class
Based on
Process – Develop Capabilities
Planned activities
• A “Modeller Core team” is established• Leif Gyllström (Saab)• Sean Barker (BAESystem)• Tim Turner (LSC)• Rob Bodington (Eurostep)• Trine Hansen (DNV)
• The Core team will meet frequently and focus on • Review and update core capabilities according to latest agreements• Harmonize reference data• Establish example template of a business concept
• Checklists for review of capabilities and DEXs to be updated/established ASAP• Proposed Architecture and processes to be sent out for ballot soon• DEX 3 meetings……
The End