On the Notion of Coupling in Communication Middleware

Aldred, Lachlan; Aalst, Wil M. P. van der; Dumas, Marlon; Hofstede, Arthur H. M. ter

doi:10.1007/11575801_6

Cited by 23 publications

(19 citation statements)

References 11 publications

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“…coupling over time and space [4,12], guaranteed delivery, encryption). In this section we distill some of these specialised requirements.…”

Section: Motivating Requirementsmentioning

confidence: 99%

“…Then the message engine attempts to lock every message in Ω. 4. If all messages were successfully locked, then for each message-id in Ω, that property tuple is deleted, and each corresponding message gets removed from the buffer and sent to the requestor in a callback.…”

Section: Resolving Contentionmentioning

confidence: 99%

“…Firstly, these processes are required to run on top of mainstream communication middleware which often does not support key features needed by applications in general [4,10,12,11], and process-oriented applications in particular. For instance message selectors in JMS 1 cannot filter messages based on their body.…”

Section: Introductionmentioning

confidence: 99%

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Communication Abstractions for Distributed Business Processes

Aldred

Aalst

Dumas

et al. 2007

Notes on Numerical Fluid Mechanics and Multidisciplinary Design

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Abstract.Languages for business process definition generally suffer from myopic approaches to capturing communication between distributed processes. Effective communication between processes requires: support for conversations involving interrelated interactions spread over time; ability to select and group messages based on their content, regardless of format and transport technology; and resolving contention between processes or tasks for common sets of messages. This paper presents a set of communication abstractions that provide a "glue" between the process layer and the middleware. The paper also reports on an implementation of these abstractions and an experimental evaluation.

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“…coupling over time and space [4,12], guaranteed delivery, encryption). In this section we distill some of these specialised requirements.…”

Section: Motivating Requirementsmentioning

confidence: 99%

Section: Resolving Contentionmentioning

confidence: 99%

See 1 more Smart Citation

Communication Abstractions for Distributed Business Processes

Aldred

Aalst

Dumas

et al. 2007

Notes on Numerical Fluid Mechanics and Multidisciplinary Design

Self Cite

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“…A good overview can be found in [13]. For example: the formalization of the design of the so-called worklet service, which adds flexibility and exception handling capabilities to the YAWL workflow system [5]; formalizing the implementation of a healthcare process in a workflow management system [20]; presenting a model-based approach to requirements engineering for reactive systems [16]; expressing architectural requirements and assessing middleware support in terms of decoupling [6]; and formalizing the implementation of a patient record system by modeling task descriptions [19]. Related to this is [24], in which CP Nets are used for specifying the operational semantics of new YAWL, a business process modeling language founded on the well-known workflow patterns 4 .…”

Section: Related Workmentioning

confidence: 99%

Schedule-Aware Workflow Management Systems

Mans

Russell²,

Aalst

et al. 2010

Lecture Notes in Computer Science

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Abstract. Contemporary workflow management systems offer workitems to users through specific work-lists. Users select the work-items they will perform without having a specific schedule in mind. However, in many environments work needs to be scheduled and performed at particular times. For example, in hospitals many work-items are linked to appointments, e.g., a doctor cannot perform surgery without reserving an operating theater and making sure that the patient is present. One of the problems when applying workflow technology in such domains is the lack of calendar-based scheduling support. In this paper, we present an approach that supports the seamless integration of unscheduled (flow) and scheduled (schedule) tasks. Using CPN Tools we have developed a specification and simulation model for schedule-aware workflow management systems. Based on this a system has been realized that uses YAWL, Microsoft Exchange Server 2007, Outlook, and a dedicated scheduling service. The approach is illustrated using a real-life case study at the AMC hospital in the Netherlands.

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“…Pode se observar nesta figura que as aplicações não estão conectadas diretamente, isto é, estão desacopladas. O desacoplamento entre as aplicações permite criar sistemas mais flexíveis (ALDRED et al, 2005;EUGSTER et al, 2003 …”

Section: Comunicação Publish/subscribe (P/s)unclassified

Proposta de um procedimento para a modelagem de sistemas de controle de edifícios inteligentes utilizando a rede de Petri colorida.

Kaneshiro¹,

Javier²

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New ways of interaction between users and the buildings systems are emerging from these kinds of systems, which are not adequately treated by conventional modeling techniques. In this sense, it is necessary the study of new approaches which address these new functionalities. Thus, this work presents a proposal for a systematic approach to model and simulate the control system of the intelligent buildings. The control system is considered to be a discrete event system, where the communication between the devices that integrate it is oriented by means of asynchronous messages exchange. This approach uses the colored Petri nets in order to specify the functionalities of the building system and their devices interactions. The approach provides a structured procedure to develop models that facilitate the algorithm specification of the control system. In order to verify the main characteristics of the proposed procedure, it is presented an example that is a control system that integrates a distributed telephony system and a surveillance building system. The approach proposed enabled the identification of the main functionalities and interactions of the intelligent devices constituting the control system. The achievement of this thesis contributes to the development of new approaches to develop heterarchical control system architectures. This kind of system architectures is constituted by collaborative intelligent devices that have a high degree of autonomy.

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On the Notion of Coupling in Communication Middleware

Cited by 23 publications

References 11 publications

Communication Abstractions for Distributed Business Processes

Communication Abstractions for Distributed Business Processes

Schedule-Aware Workflow Management Systems

Proposta de um procedimento para a modelagem de sistemas de controle de edifícios inteligentes utilizando a rede de Petri colorida.

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