Service Discovery and Component Reuse with Semantic Interfaces

Sanders, Richard; Bræk, Rolv; Bochmann, Gregor von; Amyot, Daniel

doi:10.1007/11506843_6

Cited by 21 publications

(13 citation statements)

References 4 publications

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“…Such binary collaborations can be used to define interfaces and interface behaviour. This has some advantages: (1) the behaviours are relatively small, (2) they can be completely defined, (3) they are units of reuse and (4) they can be used to type interfaces of design and implementation level components as illustrated in Figure 7 to support discovery and ensure consistency in dynamic links [23].…”

Section: Specifying Roles Structures Using Uml Collaborationsmentioning

confidence: 99%

“…Behavioural information such as events, progress, and goals provided by the semantic interfaces may be used in the definition of composition policies for composing collaborations. This allows for flexibility in composing patterns with other service roles while enabling validation of behaviour using semantic interfaces [23]. The selection of patterns to be used in a service may be done similarly to the selection of plug-ins for dynamic stubs.…”

Section: Specifying Roles Structures Using Uml Collaborationsmentioning

confidence: 99%

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Next generation service engineering

Amyot

Becha

Bræk³

et al. 2008

2008 First ITU-T Kaleidoscope Academic Conference - Innovations in NGN: Future Network and Services

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Service engineering is the process of service development from domain analysis and requirements capture, through specification, design and implementation, to deployment and adaptation on service delivery platforms. Ideally one would like to specify and analyse services on a high level of abstraction, using modelling concepts close to the user and problem domain rather than at the platform and implementation domain, and then be able to derive design components and implementations from service models with a high degree of automation. It is argued in this paper that this conception is approaching reality and so is worth while pursuing to face the challenges of service engineering in a NGN context. The basis for this is new approaches to model services precisely, to analyse goals and tradeoffs concerning variability and context, and to transform service models into platform independent models from which implementations are automatically generated. Interestingly, the service models can provide information and mechanisms that help dynamic composition and adaptation at runtime. The approach is illustrated using a multimedia call service with access control requirements.

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Section: Specifying Roles Structures Using Uml Collaborationsmentioning

confidence: 99%

Section: Specifying Roles Structures Using Uml Collaborationsmentioning

confidence: 99%

Next generation service engineering

Amyot

Becha

Bræk³

et al. 2008

2008 First ITU-T Kaleidoscope Academic Conference - Innovations in NGN: Future Network and Services

Self Cite

View full text Add to dashboard Cite

show abstract

“…These semantic interfaces may be further decomposed into sub-collaborations corresponding to phases or features provided across the interface. This kind of decomposition lends itself to behaviour analysis and refinement towards design classes having well defined interfaces, which can be used for dynamic discovery and compatibility validation using semantic interfaces as explained in [10].…”

Section: Understanding Collaborationsmentioning

confidence: 99%

A collaboration-based approach to service specification and detection of implied scenarios

Castejón

Bræk

2006

Proceedings of the 2006 International Workshop on Scenarios and State Machines: Models, Algorithms, and Tools

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Methods for service specification should be simple and intuitive. At the same time they should be precise and allow early validations to be performed, in order to detect inconsistencies as early as possible in the service development cycle. In this paper we present a service specification approach based on UML 2.0 collaborations. It aims to be a constructive approach, rather than a corrective one, as it is intended to promote understanding and help reducing the number of specification errors. We also address the detection of implied scenarios from collaboration-based service specifications, and propose an approach that limits the state explosion problem. This is possible since the detection analysis is modular and it is performed at a high-level of abstraction.

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“…While a goal characterizes the desired outcome of a behavior, the behavior itself is described by a semantic interface [9]. A semantic interface describes the visible behavior of a service role at a connection endpoint.…”

Section: Service Goals and Semantic Interfacesmentioning

confidence: 99%

Describing Component Collaboration Using Goal Sequences

Carrez¹,

Floch

Sanders

2008

Distributed Applications and Interoperable Systems

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Abstract. Services are normally not performed by a single component, but result from the collaboration of several distributed components. Their precise specification and validation require complex models, where the intention of the service is easily lost in the detail. This paper exploits the concept of service goals that was earlier introduced to simplify service modeling. It describes the semantics of service goals, how to specify and how to use them. We show that so-called goal sequences can provide a designer-friendly, high-level description of the intention of the service, while maintaining simplicity, reusability and flexibility when composing from elementary services. By way of examples, we illustrate the difference between goal sequences and behavior descriptions. Finally we discuss issues related to the validation of goal sequences and their use at design time and runtime, for example in connection with service discovery.

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Service Discovery and Component Reuse with Semantic Interfaces

Cited by 21 publications

References 4 publications

Next generation service engineering

Next generation service engineering

A collaboration-based approach to service specification and detection of implied scenarios

Describing Component Collaboration Using Goal Sequences

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