Barrett, Ronan

Melia, Mark

Pahl, Claus

English

Name not available

Perspectives for aModel-driven Service Engineering DisciplineClaus Pahl, Ronan Barrett, Mark MeliaDublin City UniversitySchool of ComputingStatus Quo and Solution Outline Services: deployment paradigm (SOA)and platform (WSF) business and workflowmodelling Service Engineering: model-driven development ontology-based semantic modelling!"#$%&#'()$*+',-(.$,./'$0"*.'1,.!"#$%234$')(,$5*.$'&"6$'17(%(.8+',-(.$,./'$30"96":(.("*;*."%"<8!=>?;@4232>=0?A5BC=44>+A@+D@42325A>=D;E=D+F5G5>HD5I;CD23J;D!+G5>H@=K=G;E!=A>23@=EG;H!=A>0;;E=D+>5;A23>DC4>9"#$%J"/*#1.("*:=*<(*$$'(*<=*)('"*9$*.#$6$*#:2"* (:2,$*.'1%2(*Research Challenge!"#$%&'#&(")*+,-.'**%/01'"2%#'+3"-#'44!/)*54%41'"2%#'+3"-#'44678*'7'/&)&%-/1'"2%#'+3"-#'449'8*-57'/&:,;+&--/&-*-05&")/4<-"7)&%-/8"-#'44+#-78-4%&%-/)/)*54%44'"2%#'%78*'7'/&)&%-/4'"2%#'+8"-#'448(=*%#)&%-/+)/.0'/'")&%-/:,;+)#&%2%&5+.%)0")7>13?+-/&-*-05>13?@+4'"2%#'4A3B;+@+>1,??/&-*-05C-78-4%&%-/B/0%/'process:Choiceprocess:hasInputprocess:...process:hasOutputprocess:..."BPEL<process><flow> ... </flow></process>WSMO<interface>... <capabilities>...A(4%/'44+1'"2%#',-.'**%/0.-7)%/+&-)"#$%&'#&("'+7-.'*&")/4<-"7)&%-/A3,D+@+:,;.%)0")74Development and DeploymentProcess – Methods and TechniquesResearch Direction – Rigour and Formality Motivation for formal foundations: modelling for collaboration and exchange of information automation of analyses and code generation Modelling activities: semantic service description service matching and composition Proposal: ontology-based modelling foundations: concepts representing entities of a domain and relationships between theseconcepts that explain the properties of concepts, an extended relationship subexpression language using processcombinators realises process expressions that characterise accessibilityrelations between states of a system, Additional extensions can cover data aspects by introducing names torepresent for instance parameters.with subsumption-based reasoning Existing approaches: OWL-S and WSMO (service ontologies) andWSPO (service process ontology)Research Direction - Methods and Techniques Central development activities: description, reasoning, andtransformation Description and visual modelling: layered modelling: business services, architecture, process execution anddescription UML extensions: service and process semantics Formal Reasoning: process analysis: abstract composition of individual services to processes process implementation: matching of abstract service requirements andprovided services Transformations: horizontal: UML to ontology representation (and vice versa) vertical: between the layers – ideally automated in a process-centric contextDiscussion and Outlook The objectives of model-driven service engineering: industry aims of cost reduction through automation and improvedmaintenanceplus semantic integration and process-orientation focusing on composition andtransformation activities A discipline of ontology-based model-driven service engineering needsto go further. Other relevant perspectives: Standards and Interoperability: deployment: SOAP, WSDL, UDDI as core platform [W3C] development: MOF-compliant, ODM-based UML extensions [OMG] Cooperation and Trust: models as the basis of contracts certification as the central trust mechanism

Perspectives for a model-driven service engineering discipline

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Perspectives for a model-driven service engineering discipline

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