Witting, T. (Ed.): ARCHON: An Architecture for Multi-Agent Systems. Ellis Horwood Series in AI (1992)  Home/Search   Document Not in Database   Summary   Related Articles   Check

....In their approach to robotic soccer roles correspond to a specific positioning in the field, like, for example a central defender. Most implementations of multi agent cooperation frameworks, rely on domain specific coordination. However, some relevant exceptions may be identified. ARCHON project [29], proposes a multi agent cooperation system, in the domain of electricity transportation management, based on joint intentions and on a general model of teamwork. Other example is Jennings [13] joint responsibility framework, which is based on a joint commitment to the team s joint goal. His ....

T. Wittig. ARCHON -- An Architecture for Multi-Agent Systems, Ellis Horwood Limited, 1992

....the problem solving activity. The indices of transparency, with examples which have emerged from examination of the application domains within the ARCHON project (electricity distribution network supervision, power 172 transmission supervision and control, particle beam accelerator control system [31]) are as follows : fUser Transparenc to see system Inter face Re levant Task Model Task Fulfilment does not rely on user being aware of DAI System characteristics Analysis Task Fulfilment is only possible if user his knowledge of DAI System Syste System must be shielded hidden from ....

Wittig, T.. (editor) (1992), "ARCHON: An Architecture for Multi-Agent Systems", P2256 ARCHON wp100 deliverable, Ellis Horrwood, London,

....to web pages, and robots can search for web service descriptions. This way the distributed web service discovery approach reduces the registry discovery problem to web site discovery problem, which works well for humans. 2. 2 Bootstrap in Agent systems Early agent architectures like ARCHON [11] did not focus on service discovery. The design approach [12] of applications using the ARCHON architecture had both top down and bottom up components, and the resulting agent system had a more or less static agent relationship structure represented in the agent acquaintance module of the agents. ....

Wittig, T (Ed), ARCHON: An Architecture for MultiAgent Systems. Ellis Horwood, 1992.

....rules our agent s functionality can be expanded or altered easily and the agent can be used in completely different environments. TRADITIONAL VERSUS REACTIVE AGENTS Traditional intelligent agent architectures applied in artificial intelligence use sensor information to create a world model [Wittig 1992], Rao and Georgeff 1995] The world model is processed by common search based techniques, and a plan is constructed for the agent to achieve its goal. The plan is then executed as a series of actions. This traditional approach has several drawbacks. Sensor constraints and uncertainties cause the ....

Wittig, T. (1992) ARCHON: an architecture for multi-agent systems. Ellis Horwood Limited, England.

....versus reactive agents An intelligent agent is an autonomous computerised entity that is capable of sensing its environment and act intelligently based on its perception. Traditional agent architectures applied in artificial intelligence use sensor information to create a world model [8], 9] The world model is processed by standard search based techniques, and a plan is constructed for the agent to achieve its goal. This plan is then executed as a series of actions. This traditional approach has several drawbacks. Sensor constraints and uncertainties cause the world model to ....

Wittig, T. (1992) ARCHON: an architecture for multi-agent systems. Ellis Horwood Limited, England.

....Work There are several notable attempts at building test beds for multi agent systems that are relevant to ZEUS, but these are aimed primarily to support the implementation of ideas so that they can be assessed in a meaningful context. Such test beds include DVMT [24] MACE [12] and ARCHON [42]. On the other hand, ZEUS provides a development environment. There are other attempts at building agent development environments for agents of differing types and complexities. The ADEPT Project [33] produced an agent architecture (or framework) for business processes. The RETSINA architecture ....

Wittig, T. (1992) (ed.), ARCHON: An Architecture for Multi-Agent Systems, London: Ellis Horwood.

....between conflicting views, by comparing the reasons behind each stance and choosing the strongest view; or (ii) building a new consensual view, by searching for fully acceptable alternative foundations for the disputed information. Our agents were remotely inspired by the ARCHON architecture [14], and are structured in two main layers: the intelligent system layer and the cooperation layer. The intelligent system layer is a reason maintenance system which includes an Assumption based Truth Maintenance Systems (ATMS) 1] and contains the individual agent s domain knowledge. The ....

Wittig, T. ed. 1992. ARCHON: An Architecture for Multi-Agent Systems, Ellis Horwood.

....framework, to examine the role of agent models: models that an agent has of itself and of its acquaintances. 6 The reasons for engaging in such modelling are often taken for granted in the MultiAgent Systems literature. For example, the descriptions of the acquaintance and Self models in ARCHON [27], there is little justification of their use: from the text, we are expected to provide the justification for ourselves. Initially, we will concentrate on the role of acquaintance models; then we will consider the self model. Discussion of the self model will entail consideration of the role of ....

....of role taking. 3.3 Self Models and The Self In some Multi Agent Systems, agents are provided with models of themselves. These models contain descriptions of the kinds of task the agent can work on, the areas of its expertise, and the goals it has. In some cases, for example the ARCHON system [27], the Self model contains information about the low level primitive operations the agent can perform. The Self model is used by the agent to reason about its own capacities and capabilities as well as about the tasks that the agent can perform: in other words, Self models support a form of ....

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Wittig, Thies (ed.), Archon: An Architecture for Multi-Agent Systems, Ellis Horwood, Hemel Hempstead, 1992. 30

.... [33] Finally, many organisations have substantial amounts of pre existing (or legacy [10] software which could profitably be integrated [42, 44] This paper discusses the insights gained whilst building a number of industrial multi agent systems under the auspices of the ARCHON project [77]. These insights are predominantly based on the experiences from the real world applications of electricity transportation management [43] and controlling a high energy, particle accelerator [44] which were built using an ARCHON prototype system called GRATE (Generic Rules and Agent model Testbed ....

T. Wittig, ed. ARCHON: An Architecture for Multi-Agent Systems (Ellis Horwood, 1992).

....investigated [Huhns Bridgeland, 1991] The research presented here leverages these results to provide a detailed classification of multi agent conflicts. Researchers have proposed various agent architectures, including Belief Desire Intention agents [Haddadi Sundermeyer, 1996] ARCHON agents [Wittig, 1992], blackboard structured agents [Hayes Roth et al. 1989] social agents [Moulin Chaib draa, 1996] and Sensible Agents [Barber, 1996] Conflict resolution plays an important role in systems designed under each of The Laboratory for Intelligent Processes and Systems TR98 UT LIPS AGENTS 03 ....

Wittig, T. (Ed.). ARCHON: An Architecture for Multi-Agent Systems. New York: Ellis Horwood, 1992.

....The implementor fixes the configuration by defining number and connectivity of the robot joints. Coordination: AMROSE uses egalitarian constraint coordination. Maturity: AMROSE is used in production at Odense Shipyard. 4.2.2. 4 Case: ARCHON The initial motivation for the ESPRIT ARCHON project [47, 52, 95], like that for PACT in design, is the integration of pre existing computer tools that were not originally intended to interoperate. ARCHON s original domain is the management of a distribution grid for electrical power in northern Spain, based on inputs from four pre existing expert systems. The ....

T. Wittig. ARCHON: An Architecture for Multi-agent Systems. New York, Ellis Horwood, 1992.

....additions to existing systems, and will need to interface with legacy programs, some of which will be functionally oriented. For example, a shop floor control system will need to interface with a factory wide MRP system that is doing classical scheduling. As in the CIDIM application of ARCHON [16], we encapsulate the legacy program as an agent. Though the MRP system is functionally defined, as a legacy program it is a well defined thing and so deserves agenthood. By using it as a link to other system information rather than as a main source of functionality, we can ensure that it does ....

T.Wittig, editor. ARCHON: An Architecture for Multi-Agent Systems. New York: Ellis Horwood, 1992.

....research areas in computing generally. As with all new software technologies, the ratio of speculation and hype to field tested, implemented systems is perhaps somewhat high, but there are, nevertheless, some documented multi agent applications. Example domains include power systems management [13], air traffic control [11] particle accelerator control [2] telecommunications network management [12] spacecraft control [10] computer integrated manufacturing [7] job shop scheduling [5] and steel coil processing control [4] In this paper, we present a multi agent solution for an ....

T. Wittig, editor. ARCHON: An Architecture for Multi-Agent Systems. Ellis Horwood: Chichester, England, 1992.

....schema will be used by all those agents. A prototype implementation of the PEER federated system is developed in C that runs on a network of SUN 4 workstations. This implementation of PEER is a part of the ESPRIT Archon project, which develops a system to integrate cooperating expert systems [20]. This prototype is being tested at the control rooms of power distribution networks in two different industries, in Spain and England. The significance of this paper lies primarily in describing the implementation architecture of a federated database system that supports more of the ....

T. Wittig, editor. ARCHON: An Architecture for Multi-agent Systems. Ellis Horwood, 1992. 21

....than one project in the electromechanical domain. A common strategy is to use agents to drive a human interface, and let people make the actual connection. This approach is taken in the ADS based Shinkansen operator interface [10, 16, 17] and the application of ARCHON to power systems management [12, 13, 31]. ARCHON has been demonstrated in numerous domains, including robotics, cement factory control, and particle accelerator control, but its most mature deployment is in the management of an electrical power grid, for which it was piloted in Iberdrola. Through the years, this utility had developed a ....

T. Wittig. ARCHON: An Architecture for Multi-agent Systems. New York, Ellis Horwood, 1992.

....resource utilization. It notifies the fault tolerance agent in case of system failures. x Graphic Simulation Agent provides visual verification of task execution. 5 Agent Model A typical agent architecture in our system is illustrated in Figure 5. The agent model is based on the ARCHON project [13]. Agents are involved in two types of activities: internal activities that lead the agent to achieve its own goals, and external activities through which the agent communicates and collaborates with others agents to achieve common goals. To support both internal and external activities, a typical ....

Thies Wittig, (ed.) ARCHON: an architecture for multiagent systems, Ellis Horwood, 1992.

....databases (DB) implement a procedurally hard wired and irrevocable form of commitment. Modern DB applications, which involve heterogeneity, flexibility, and human collaboration, do not fit the traditional mold. Some of these applications have been addressed using agentbased techniques, e.g. Wittig, 1992; Singh Huhns, 1994 ] others with advanced database techniques, e.g. Bukhres Elmagarmid, 1996 ] and still others by combining in organizational techniques, e.g. Papazoglou et al. 1992 ] The DB and DAI strands of research into commitments have progressed without much ....

Wittig, Thies, editor. ARCHON: An Architecture for Multi-agent Systems. Ellis Horwood Limited, West Sussex, UK. This article was processed using the L a T E X macro package with LLNCS style

....to the world interface in InteRRaP. The agent control module and the application independent parts of the hierarchical knowledge base can be regarded as a refinement of the head; the functionality of the body is represented by the application specific part of the agent knowledge base. ARCHON [Wit92] has been developed as an architecture for Multiagent Systems for industrial applications. Therefore, the model mainly concentrates on aspects of cooperation (which are covered in the so called ARCHON layer of the model) and is not aimed at defining the functionality of the individual system. In ....

T. Wittig. ARCHON: An Architecture for Multi-Agent Systems. Ellis Horwood, 1992.

....can be applied and provide solutions, as well as the advantages and disadvantages of such application. We emphasize the unique architectural properties of MAS and the advantages that stem from these properties. 3. 1 The ARCHON Infrastructure Archon is an infrastructure for multi agent systems [34]. It provides a system organization as well as agent internal architecture. Archon operates in the domain of industrial process control, and is aimed at reducing the complexity of control in large, complex (usually pre existing) computational systems embedded in such domains. This is achieved via ....

....an Archon layer component to the added domain specific component. The Archon view of openness complies with the OSI approach to openness, however, it is somewhat limited. Firstly, the addition (or disconnection) of components cannot be done dynamically. From the description of the system in [34] it follows that the ability of agents to locate (and communicate with) others is provided by two complementing methods: 1) Hard wired addresses are given in a local address list of each agent; 2) Agents broadcast their availability to a single matching services agent, well known to all agents, ....

T. Wittig, editor. ARCHON: an architecture for multi-agent systems. Ellis Horwood, 1992.

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Witting, T. (Ed.): ARCHON: An Architecture for Multi-Agent Systems. Ellis Horwood Series in AI (1992)

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Witting, T. (ed.). 1992. ARCHON: An architecture for multi-agent systems. Chichester: Ellis Horwood Series.

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T. Wittig. ARCHON -- An Architecture for Multi-Agent Systems, Ellis Horwood Limited, 1992

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Wittig, Thies, editor. ARCHON: An Architecture for Multi-agent Systems. Ellis Horwood Limited, West Sussex, UK.

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) Wittig T. (Ed), ARCHON: An Architecture for Multi-agent Systems, Ellis Horwood Series in Artificial Intelligence, 1992.

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Wittig,T., ed.(1992), ARCHON: An Architecture for Multi-Agent Systems. New York: Ellis Horwood.

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