Viewing control structures as patterns of passing messages

Hewitt, Carl

doi:10.1016/0004-3702(77)90033-9

Cited by 874 publications

(253 citation statements)

References 8 publications

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“…Moreover, every erlang process is an actor. Many ideas in the actor model [5] are now applied in multiagent systems [12]. Erlang, therefore, is excellently suited for holonic multi-agent systems and complies with the dynamic and distributed nature of traffic.…”

Section: Erlangmentioning

confidence: 99%

Traffic Radar: A Holonic Traffic Coordination System Using PROSA++ and D-MAS

Philips

Germain

Belle

et al. 2013

Lecture Notes in Computer Science

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Abstract. This paper presents Traffic Radar, a holonic traffic coordination system focusing on the distributed and dynamic nature of traffic systems. Two main architectural assets enable distributed real-time coordination, the holonic PROSA++ architecture and the delegate multi-agent system (D-MAS) pattern. Well proven and accurate firstorder traffic models are used to model local traffic behaviour. Link and node holons encapsulate local traffic models and offer services to other holons and D-MAS ants in the environment. Early experiments with the Traffic Radar platform show its ability to forecast traffic flows and densities based on individual user intentions. Moreover, they show the ability to explore different routing solutions incorporating traffic density forecasts.

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Section: Erlangmentioning

confidence: 99%

Traffic Radar: A Holonic Traffic Coordination System Using PROSA++ and D-MAS

Philips

Germain

Belle

et al. 2013

Lecture Notes in Computer Science

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“…Our notion of actor-oriented modeling is related to the term actor as introduced in the 1970's by Hewitt to describe the concept of autonomous reasoning agents [28]. The term evolved through the work of Agha and others to describe a formalized model of concurrency [29].…”

Section: Related Workmentioning

confidence: 99%

Disciplined Heterogeneous Modeling

Lee¹

2010

Model Driven Engineering Languages and Systems

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Abstract. Complex systems demand diversity in the modeling mechanisms. One way to deal with a diversity of requirements is to create flexible modeling frameworks that can be adapted to cover the field of interest. The downside of this approach is a weakening of the semantics of the modeling frameworks that compromises interoperability, understandability, and analyzability of the models. An alternative approach is to embrace heterogeneity and to provide mechanisms for a diversity of models to interact. This paper reviews an approach that achieves such interaction between diverse models using an abstract semantics, which is a deliberately incomplete semantics that cannot by itself define a useful modeling framework. It instead focuses on the interactions between diverse models, reducing the nature of those interactions to a minimum that achieves a well-defined composition. An example of such an abstract semantics is the actor semantics, which can handle many heterogeneous models that are built today, and some that are not common today. The actor abstract semantics and many concrete semantics have been implemented in Ptolemy II, an open-source software framework distributed under a BSD-style license.

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“…The best known process-oriented methodology is that of actors [12] where there are only two kinds of object in the system's universe of discourse, actors and values. The attractiveness of the actor model is in its simplicity and most of the work on integrating the paradigms has been based on superimposing an actor model on an object-oriented language [11].…”

Section: Introductionmentioning

confidence: 99%

On the integration of object-oriented and process-oriented computation in persistent environments

Morrison

Brown

Carrick

et al. 1988

Lecture Notes in Computer Science

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Persistent programming is concerned with the construction of large and long lived systems of data [1,2]. Such systems have traditionally required concurrent access for two reasons. The first is that of speed, be it access speed for multiple users or execution speed for parallel activities. The second reason for concurrency is to control the complexity of large systems by decomposing them into parallel activities.This process-oriented approach to system construction has much in common with the object-oriented approach. We will demonstrate, in this paper, the facilities of the language Napier [18] which allows the integration of the two methodologies along with a persistent environment to provide concurrently accessed object-oriented databases.

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Viewing control structures as patterns of passing messages

Cited by 874 publications

References 8 publications

Traffic Radar: A Holonic Traffic Coordination System Using PROSA++ and D-MAS

Traffic Radar: A Holonic Traffic Coordination System Using PROSA++ and D-MAS

Disciplined Heterogeneous Modeling

On the integration of object-oriented and process-oriented computation in persistent environments

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