Nodine, M.H., Unruh, A.: Facilitating open communication in agent systems: The InfoSleuth infrastructure. In: Proceedings of the 4th International Workshop on Intelligent Agents IV, Agent Theories, Architectures, and Languages. (1997) 281-- 295  Home/Search   Document Details and Download   Summary   ACM   TOC   Related Articles   Check

....with the rest of the systems described here is planned. 6 Related Work There has been significant work on general algorithms for query planning, selective materialization, and the optimization of these from the AI perspective, for example TSIMMIS [5] Information Manifold [23] Infosleuth [27], HERMES [1] SIMS [2] etc. and of course on applying agents as the way to embody these algorithms [24, 32, 12, 22] In Biology, compared to the work being done to create the raw data, all the work on how to organize and retrieve it is relatively small. Most of the work in computer science ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In M. Singh, A. Rao, and M. Wooldridge, editors, Intelligent Agents IV, pages 281--295. Springer-Verlag, 1998.

....ontology information available to that agent. Much work is being done in the ontology area to support this. We also assume that all agents use the same language for encoding message content, such as XML. 1. 2 Related Work Although transmitting protocols have been proposed in earlier research [4, 5, 6], they were primarily for closed systems. Research Refer to [8] for a detailed explanation of what Petri Nets are and how they work. Since Petri Nets are used to represent interaction protocols, we use the terms Petri Net and Protocol to mean the same thing. For our purposes, we assume that ....

....for the previous example include the interaction between the auctioneer, bidders and a possible supplier for example. Therefore according to our definition, AUML 5 represents protocols from a global perspective. In addition to AUML, protocols have been represented using various notations [4, 5, 6] including Finite State Machines and Pushdown Automata, Dooley Graphs and Petri Nets. We have selected the Petri Net notation to represent local protocols because of its advantages over the other notations, such as the ability to represent concurrency in conversations. Refer to [7] for a ....

M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: The infosleuth infrastructure. In Proceedings of the Fourth International Workshop on Agent Theories, Architectures, and Languages, 1997.

....ontology information available to that agent. Much work is being done in the ontology area to support this. We also assume that all agents use the same language for encoding message content, such as XML. 1. 2 Related Work Although transmitting protocols have been proposed in earlier research [4, 5, 6], they were primarily for closed systems. Research 2Refer to [8] for a detailed explanation of what Petri Nets are and how they work. Since Petri Nets are used to represent interaction protocols, we use the terms Petri Net and Protocol to mean the same thing. 3For our purposes, we assume that all ....

....protocol for the previous example include the interaction between the auctioneer, bidders and a possible supplier for example. Therefore according to our definition, AUML 5 represents protocols from a global perspective. In addition to AUML, protocols have been represented using various notations [4, 5, 6] including Finite State Machines and Pushdown Automata, Dooley Graphs and Petri Nets. We have selected the Petri Net notation to represent local protocols because of its advantages over the other notations, such as the ability to represent concurrency in conversations. Refer to [7] for a ....

M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: The infosleuth infrastructure. In Proceedings of the Fourth International Workshop on Agent Theories, A rchileclares, and Languages, 1997.

....be found in [9] BAL ############ lie at the highest level of communication, and consist of a number of messages being passed between agents following a xed protocol for a particular type of interaction. These are prescriptive conversations, in a similar manner to that considered by InfoSleuth [21]. An example of a BAL ####### is as follows: ####### ############### ######### ################ ########## ### ######### #### ######### #### ######## ######## #### ############### # ######## ########## ## # ## ##### # ################## #### # ############ ### #### # ....

M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: The infosleuth infrastructure. In ##### ######### ############## ### #########, pages 281-295, 1997.

....In the research on multi agent systems there is an increasing emphasis on the openended nature of agent systems, which refers to the feature to allow for the dynamic integration of new agents into an existing agent system. In such systems, which are referred to as open multi agent systems (cf. [18]) it is usually impossible that agents possess complete built in information about the other agents in the system, simply because such information will initially be unavailable. As was already pointed out by Hewitt and de Jong (cf. 13] the only thing that holds the components of an open system ....

M.H. Nodine and A. Unruh. Facilitating open communication in agent systems: The infosleuth infrastructure. In M.P. Singh, A. Rao, and M.J. Wooldridge, editors, Proceedings of Fourth International Workshop on Agent Theories, Architectures and Languages (ATAL'97), volume 1365 of LNAI, pages 281--295. Springer-Verlag, 1998.

.... Wagner et al. 39] and Elio and Haddadi [13] who defines a multi level state machine, or Abstract Task Model (ATM) A few others have chosen to stay within the bounds of a DFA, such as Chauhan [7] who uses COOL as the basis for her multi agent development system 13 , Nodine and Unruh [32], and Pitt and Mamdani [35] who uses DFAs to specify protocols for BDI agents. Also using automata, Martin et al. 29] employs Push Down Transducers (PDT) Lin et al. 28] and Cost et al. 10] demonstrate the use of CPNs, and Moore [30] applies state charts. Parunak [33] introduces Dooley Graphs. ....

M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Michael Wooldridge, Munindar Singh, and Anand Rao, editors, Intel ligent Agents Volume IV -- Proceedings of the

....unification algorithm. Advertisements and requests must match based solely on their content; there is no knowledge base against which inference is performed. Limited inference for 13 future versions is envisaged though. 2.3. 3 InfoSleuth The aim of the InfoSleuth project [Bayardo et al. 1997, Nodine and Unruh, 1997, Nodine et al. 1998] is to develop technologies that operate on heterogeneous information sources in an open, dynamic environment. To achieve this flexibility and openness, InfoSleuth integrates agent technology, ontologies, information brokerage, and Internet computing. InfoSleuth s ....

Marian Nodine and Amy Unruh. Facilitating open communication in agent systems: The InfoSleuth infrastructure. In N. Singh, A. Rao, and m. Wooldridge, editors, Proc. 4th International Workshop on Agent Theories, Architectures, and Languages, pages 281--295, Providence, RI, July 1997.

.... et al. 44] and Elio and Haddadi [13] who de nes a multi level state machine, or Abstract Task Model (ATM) A few others have chosen to stay within the bounds of a DFA, suchas Chauhan [6] who uses COOL as the basis for her multi agent development system # , Nodine and Unruh [38], and Pitt and Mamdani [41] who uses DFAs to specify protocols forBDI agents. Also using automata,Martin et al. 33] employs Push Down Transducers (PDT) Lin et al. 32]and Cost et al. 9] demonstrate the use of CPNs, and Moore [36]applies state charts. Parunak [39]introduces Dooley Graphs. ....

M. H. Nodine and A. Unruh.Facilitatingopencommunication in agentsystems: the InfoSleuth infrastructure. In Michael Wooldridge, Munindar Singh, and Anand Rao, editors, Intelligent Agents Volume IV { Proceedings of the

....ontology, and so are easily mapped to gene names specific to the organism of interest. 5 Related Work There has been significant work on general algorithms for query planning, selective materialization, and the optimization of these from the AI perspective, for example TSIMMIS [4] Infosleuth [19], SIMS [1] etc. and of course on applying agents as the way to embody these algorithms [16, 21, 10] In Biology, compared to the work being done to create the raw data, all the work on how to organize and retrieve it is relatively small. Most of the work in computer science directed to ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In Intelligent Agents IV, pages 281--295. Springer-Verlag, 1998.

....with the rest of the systems described here is planned. 6 Related Work There has been significant work on general algorithms for query planning, selective materialization, and the optimization of these from the AI perspective, for example TSIMMIS [5] Information Manifold [20] Infosleuth [23], HERMES [1] SIMS [2] Fig. 6. Overview of gene expression processing organization etc. and of course on applying agents as the way to embody these algorithms [21, 26, 11, 19] In Biology, compared to the work being done to create the raw data, all the work on how to organize and retrieve it ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In M. Singh, A. Rao, and M. Wooldridge, editors, Intelligent Agents IV, pages 281--295. Springer-Verlag, 1998.

....based on logical reasoning. This facilitator shares our emphasis on content based routing and the synthesis of complex multistep delegation plans, but does not go as far as OAA in allowing the service requester to in#uence the strategies used by the facilitator. Similarly, the InfoSleuth system #Nodine and Unruh, 1997# employs matchmaking agents having the ability to reason deductively about whether expressions of requirements #by requesters# match with the advertised capabilities of service providers. KQML #Labrou and Finin, 1997; Finin et al. 1997# provides #capability de#nition performatives , ....

M. H. Nodine and A. Unruh. 1997. Facilitating open communication in agent systems: the InfoSleuth infrastructure. Technical Report MCC-INSL-056-97, Microelectronics and Computer Technology Corporation, Austin, Texas 78759, April.

....between the agents individual mental states, arise as a sideeffect of cooperation. Such translation mechanisms are not developed by the designer of the system, but rather by the agents themselves. Secondly, in the field of multi agent systems there is a growing interest in open agent systems (cf. [12]) in which agents can join and leave at any time. In such systems, the dynamics of the communication structure requires the corresponding translation mechanisms to be also of a dynamic nature. As an illustration, let us summarize why a translation mechanism as used in the DESIRE framework falls ....

M.H. Nodine and A. Unruh. Facilitating open communication in agent systems: The infosleuth infrastructure. In Proceedings of ATAL'97, volume 1365 of LNAI, pages 281--295. Springer-Verlag, 1998.

....how specific, implemented agents describe their capabilities in a way that distinguishes them from other agents. We contrast our approach to the existing ones and point out where it is superior. 1 MCC Technical Report SRI 072 99 2 1 Introduction Our experiences with the InfoSleuth 1 [2, 16, 15] agent system led to the discovery of many weaknesses in existing matchmaking systems. The InfoSleuth project began matching mostly over data and agent types, with limited use of the capabilities of the underlying reasoning engine. As the basic framework of the system matured, new agent types were ....

....represent our framework in a first order logic by defining the appropriate predicates for the various pieces of our ontologies. The larks reasoning engine could then reason over these higher level concepts in a similar manner to the one we use in our own reasoning engine. The InfoSleuth project [2, 16, 15] also did some early work on matching [14] The limitations that we encountered in this initial implementation of matchmaking served as a motivation for the development of the approach presented in this paper. 6 Conclusions This paper has presented a novel framework for agents to advertise their ....

Marian H. Nodine and Amy Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Proceedings of the Fourth International Workshop on Agent Theories, Architectures, and Languages, 1997.

....add inheritance to conversations; Wagner et al. 46] and Elio and Haddadi [14] who defines a multilevel state machine, or ATM. A few others have chosen to stay within the bounds of a DFA, such as Chauhan [7] who uses COOL as the basis for her multi agent development system, 1 Nodine and Unruh [34, 35], who use conversation specifications to enforce correct conversational behavior, and Pitt and Mamdani [40] who use DFAs to specify protocols for BDI agents. Also using automata, Martin et al. 30] employ Push Down Transducers (PDT) Lin et al. 28] and Cost et al. 9] demonstrate the use of ....

M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: The InfoSleuth infrastructure. Technical Report MCC-INSL-056-97, MCC, April 1997.

....provide intelligent access to a heterogeneous collection of information sources. Tasks that cannot be executed by a single agent are performed by a team, and such teams are formed on demand. A similar infrastructure is used in InfoSleuth, and the communication protocol used is similar as well [20]. In open MAS, agents must be able to locate one another. In such systems which are distributed over the Internet, where participating agents may dynamically enter and leave, which is distributed over the Internet, broadcast communication solutions are precluded. In RETSINA this problem is solved ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In M. Singh, A. Rao, and M. Wooldridge, editors, Intelligent Agents 4, Lecture Notes in Artificial Intelligence No. 1365, pages 281--296. Berlin:Springer-Verlag, 1997.

....and back to the global model again. The problem with this approach is the necessity of a global model (such as XML) which may be difficult to enforce on all entities wrappers in a network with no central controller (such as the Internet) especially when it comes to semantic heterogeneity [NU97, Thu97] Wrappers also lend themselves naturally to agent technology. Each wrapper can be seen as an interface agent to a particular data source. This allows easy integration of wrappers with legacy databases without disturbing the underlying database, and also keeps with the ontology of a ....

....B C A B Figure 4: Two ways of using wrappers for interoperability. Transformation of data occurs at each arrow. The InfoSleuth system is an example of a multi agent system which uses a matchmaker agent (see Section 6) to overcome being closed, by having new agents register with the matchmaker [NU97] 4.2 Active Monitoring Developed by the database community, active monitoring allows databases to respond intelligently to changes in data [Wid96] Rules, or triggers, dictate how the database should react to changes in data, the environment or time. These triggers may result in data ....

[Article contains additional citation context not shown here]

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Agent Theories, Architectures and Languages: Proceedings of the 4th International Workshop, pages 281--295, Providence, Rhode Island, July 1997.

....needs to be accessed in order to obtain acceptable service, the broker one performative may be used. If the client is interested in the name(s) of all relevant service providers, the recommend one or recommend all performatives may be used. Known Uses: OAA [CCWB94] KAoS [BDBW97] InfoSleuth [NU97] The Object Management Group s (OMG) Object Request Broker (ORB) and remote procedure call (RPC) which provides location transparency are examples of a broker architecture, although they are not agent systems. Related Patterns: Coplien and Schmidt s Broker pattern [CS95] II. Embassy Intent: ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Agent Theories, Architectures and Languages: Proceedings of the 4th International Workshop, pages 281--295, Providence, Rhode Island, July 1997.

....the incorporation of ACL speaking capabilities into an application. Since the ACL itself is an abstraction, i.e. a collection of communication primitives that are deemed useful for higher level communication between agents, there is no such thing as an implementation of an ACL. Infosleuth [2, 22] is a project by MCC that emphasizes the semantic integration of heterogeneous information in an open dynamic environment. The communicating agents 11 , primarily written in Java, are supported by an infrastructure of basic services (agents) for authentication, brokering, monitoring, and ....

Marian Nodine and Amy Unruh. Facilitating open communication in agent systems: The infosleuth infrastructure. In M. Singh, A. Rao, and M. Woolridge, editors, 4th International Workshop on Agent Theories, Architectures, and Languages, Providence, RI, 1997.

....find information sources, filter or integrate information, and negotiate to resolve inconsistencies in information and task models. The system consists of three classes of agents: interface agents, task agents and information agents. Note that a similar infrastructure is used in InfoSleuth [36]. Interface agents interact with users receiving their specifications and delivering results. They acquire, model and utilize user preferences. Task agents formulate plans and carry them out. They have knowledge of the task domain, and which other types of task agents or information agents are ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In M. Singh, A. Rao, and M. Wooldridge, editors, Intelligent Agents 4, Lecture Notes in Artificial Intelligence No. 1365, pages 281--296. Berlin:Springer-Verlag, 1997.

.... with heterogeneous capabilities assume that agents either know all other agents they need to interact with (this is a closed MAS) or are provided with some agent location mechanism to find agents they need but do not know about in advance (e.g. middle agents [1] matchmaking [5] facilitation [3, 6]) In agreement with previous research, we, too, perceive agent location mechanisms as necessary for open MAS. In such systems, agents with different expertise may need other agents to provide them with services. However, they may not know the contact information of the service providers. An agent ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In M. Singh, A. Rao, and M. Wooldridge, editors, Intelligent Agents 4, Lecture Notes in Artificial Intelligence No. 1365, pages 281--296. Berlin:Springer-Verlag, 1997.

....also be applied to metadata, thus reducing the disadvantage of the work hierarchy. 5.3 Syntactic and Semantic Flexibility One other project has taken an approach very similar to ours for runtime service classification. Agents in the InfoSleuth project at MCC (Bayardo, Bohrer et al. 1996; Nodine and Unruh 1997) advertise by submitting ontology based descriptions of their services. Broker agents reason to match requests for services to these descriptions. The InfoSleuth ontologies are highly self descriptive: the descriptions talk about themselves as frames. This enables translation between alternative ....

Nodine, M. H. and A. Unruh (1997). Facilitating Open Communication in Agent Systems: the InfoSleuth Infrastructure.

....based on logical reasoning. This facilitator shares our emphasis on content based routing and the synthesis of complex multistep delegation plans, but does not go as far as OAA in allowing the service requester to influence the strategies used by the facilitator. Similarly, the InfoSleuth system (Nodine and Unruh, 1997) employs matchmaking agents having the ability to reason deductively about whether expressions of requirements (by requesters) match with the advertised capabilities of service providers. KQML (Labrou and Finin, 1997; Finin et al. 1997) provides capability definition performatives , such as ....

M. H. Nodine and A. Unruh. 1997. Facilitating open communication in agent systems: the InfoSleuth infrastructure. Technical Report MCC-INSL-056-97, Microelectronics and Computer Technology Corporation, Austin, Texas 78759, April.

....of the various multi agent systems that use an ACL for interagent communication would reveal two interesting trends. ffl Java is rapidly becoming the language of choice for building agents and knowledge based systems in general [6] ffl Many of the new APIs for agent communication languages [3, 27, 9, 8] offer support for modeling, manipulating and reasoning about conversations among agents Conversations offer an intuitive way to structure an agent s activities. Also, given the problematic nature of compliance with the ACL s semantic account, conversations shift the focus from the internals of ....

M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In M. Singh, A. Rao, and M. Woolridge, editors, Proceedings of the 14th Annual Workshop on Agent Theories, Architectures and Languages(ATAL '97), Providence, RI, 1997.

....agents for detecting misbehaviours and the control of the usage of common resources, etc. The result of the common facilities shared by the agents allow the efficient communication between the agents and is expressed in an ontology, in the same way as the service ontology as defined by Nodine [22]. Agent design: the most suitable architecture is determined for each agent, and some agents can be introduced or subdivided according to pragmatic criteria. Each agent is subdivided in modules for user communication (from communication model) agent communication (from coordination model) ....

Marian H. Nodine and Amy Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. (In this volume).

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M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Proc. 4th Int'l Workshop on Agent Theories, Architectures, and Languages, 1997.

....3. Agents may be mobile, going to the information as opposed to pulling the information to themselves. 4. Communication may be sporadic and task related, and may not follow a requestresponse paradigm. The issues we address here have emerged from our extensive experiences with the InfoSleuth TM [1, 8, 10] system, an information centric agent system that has been under development for over five years and in use for the last four years. Recently, we have begun to develop long running tasks in the areas of competitive intelligence and genomic research. These tasks have placed unforeseen strains on ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems. In Munindar Singh, Anand Rao, and Michael Wooldridge, editors, Intelligent Agents IV: Agent Theories, Architectures, and Languages. Springer-Verlag, 1998.

.... :result explanation, result annotation, queryeffort, query context, ask policy, reply with estimate, reply out of band, locator System layer :content, language, ontology, code Application :content, language, ontology, other optional properties 4 We have already, in another paper [NU97], argued for a standardized base set of conversation policies, again to extend the standard and to facilitate interoperation with other agent systems. In the current context, these base conversations should, at least at the level of exchanges of speech acts, be independent of whether the ....

M. Nodine and A. Unruh, "Facilitating Open Communication in Agent Systems: the InfoSleuth Architecture". In Proceedings of the 4 th International Workshop on Agent Theories, Architectures and Languages, July, 1997.

....propagated to the conversation layer. This functionality frees our agents from worrying about syntactic inconsistencies in their use of KQML. Conversation Layer The conversation layer of the InfoSleuth architecture defines and enforces conversation policies for a group of cooperating agents [NU97] A set of standard messages, e.g. in KQML, representing the available speech acts, can serve as a basis for very simple communication among agents. However, messages do not get sent in isolation; rather, there are often ongoing dialogs among two or more agents. Within a dialog, the ....

Marian H. Nodine and Amy Unruh. Facilitating open communication in agent systems: the infosleuth infrastructure. In Proc. 4th International Workshop on Agent Theories, Architectures, and Languages, 1997.

....needs. MCC INSL 104 98 Multiple agents interact and cooperate to solve complex information analysis tasks across multiple levels of abstraction. Typically an agent system has some form of brokering or market bidding to dynamically identify and compose goal driven agent workgroups. InfoSleuth [3, 8, 15, 16] is an architecture and toolkit for deploying agent systems that is undergoing active research and development at MCC. The InfoSleuth environment focuses on enabling and creating applications for information gathering and analysis over diverse and dynamic networks of multimedia information ....

....or explicitly) an agent s conversation policies. In COOL, the conversation policies are implicit in the structure of each agent s protocols. In InfoSleuth, conversation policies are defined explicitly, and conversational consistency is enforced for all agents via the InfoSleuth agent shell [16, 15]. Thus, task execution agents task plans must support and subsume the conversation policies. The task execution agent s approach to interleaved task plan execution and instantiation is also similar to systems such as [10, 21] which support interleaved use of sensing operators with plan ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Proceedings of the Fourth International Workshop on Agent Theories, Architectures, and Languages, 1997.

....The specialists perform focused tasks for collecting data to create information at higher levels of abstraction, or for collecting requests into generalizations of closely overlapping needs. Multiple agents interact and cooperate to solve information integration and analysis tasks. InfoSleuth [2, 6, 8, 9] is an architecture and toolkit for deploying agent systems that has been undergoing active research and development at MCC for the past four years. The InfoSleuth project enables and creates information gathering and analysis applications over diverse and dynamic networks of multimedia ....

....agents in the InfoSleuth system. All of the InfoSleuth agents are built upon the InfoSleuth Agent Shell [8] which is written in Java TM to achieve platform independence. InfoSleuth agents communicate using KQML [5] performatives and prescriptive conversation policies enforced by the agent shell [9]. A particular type of conversation relevant here are query subscriptions, which instruct a receiving agent to continually update its responses to the query as the underlying information changes. A subset of the agents in Figure 1 work together to support data analysis and knowledge discovery ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Proceedings of the Fourth International Workshop on Agent Theories, Architectures, and Languages, 1997.

....into generalizations of closely overlapping needs. Multiple agents interact and cooperate to solve information integration and analysis tasks. Typically an agent system has some form of brokering or market bidding to dynamically identify and compose goal driven agent workgroups. InfoSleuth [2, 16, 11, 17, 18] is an architecture and toolkit for deploying agent systems that is undergoing active research and development at MCC. The InfoSleuth environment focuses on enabling and creating applications for information gathering and analysis over diverse and dynamic networks of multimedia information ....

....Figure 1 shows the classes of agents in the InfoSleuth system. All of the InfoSleuth agents are built upon the InfoSleuth Agent Shell [17] which is written in Java. InfoSleuth agents communicate using KQML [7] performatives and prescriptive conversation policies enforced by the agent shell [18]. A key emphasis of information gathering in InfoSleuth is to provide an open infrastructure upon which to integrate solutions to three basic technical areas: 1. Extraction of semantic concepts from information sources. 2. Registration and integration of semantically annotated information from ....

M. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infrastructure. In Proceedings of the Fourth International Workshop on Agent Theories, Architectures, and Languages, 1997. MCC-INSL-113-98 Submitted to Autonomous Agents '99

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Nodine, M.H., Unruh, A.: Facilitating open communication in agent systems: The InfoSleuth infrastructure. In: Proceedings of the 4th International Workshop on Intelligent Agents IV, Agent Theories, Architectures, and Languages. (1997) 281-- 295

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Marian H. Nodine, Amy Unruh. Facilitating Open Communication in Agent Systems: The InfoSleuth Infrastructure. In Agent Theories, Architectures, and Languages, 281-295, 1997.

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Nodine, M., Unruh, A.: Facilitating open communication in agent systems. In Singh, M., Rao, A., Wooldridge, M., eds.: Intelligent Agents IV: Agent Theories, Architectures, and Languages. Springer (1998) 281--296

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Nodine, Marian H., and Amy Unruh, "Facilitating Open Communication in Agent Systems: the InfoSleuth Infrastructure," Intelligent Agents IV: Agent Theories, Architectures, and Languages, Munindar P. Singh et al. ed., Springer, Berlin, 1998, pp. 281-296.

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M. H. Nodine, A. Unruh, Facilitating Open Communication in Agent Systems: the InfoSleuth Infrastructure, The Fourth International Workshop on Agent Theories, Architectures, and Languages (ATAL IV) , Providence, Rhode Island, July, 1997.

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M. H. Nodine and A. Unruh. Facilitating open communication in agent systems: the InfoSleuth infr astructure. Technical Report MCC-INSL-056-97, Microelectronics and Computer Technology Corporation, Austin, Texas 78759, April 1997.

No context found.

M. Nodine and A. Unruh. Facilitating Open Communication in Agent Systems. In M. Singh, A. Rao, and M. Wooldridge, editors, Intelligent Agents IV: Agent Theories, Architectures, and Languages, pages 281-296. Springer-Verlag, 1998.

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