Belief-Desire-Intention Architecture Research Articles

A Novel Modeling Architecture of Agent

In this paper, we brought forward a novel modeling architecture of Agent after a careful analysis of the limi-tations of traditional BDI(Belief, Desire, Intention) architecture and of its dynamic features. We imported the motivation as another factor with other mind properties to describe the Agent. The new model of Agent is superior to describe the self-learning and evolution mechanism of Agent compared with the BDI architecture. As to the theoretical basis of BDIM, we inherited and expanded the CTL* theory on BDI architecture by Rao and George.

Design of rational agents for performing speech acts intentionally in multiagent environment

AbstractThis paper presents the basic design for rational agents who intentionally perform speech acts in multiagent environments for the purpose of problem‐solving in collaboration with humans or other agents. The authors aim at construction of a rational agent with the BDI (belief, desire, intention) architecture. The rational agent aims at achieving her given goal and selects a plan carefully on the basis of her belief. She then forms the selected plan as her intention, as her mental state to control future deliberation. If the precondition for the intention is satisfied, a speech act composing that intention is intentionally performed. In this paper, the FIPA (Foundation of Intelligent Physical Agents)‐conformant primitive communicative acts and protocols are first defined as speech acts of the agent. The extended BDI architecture is proposed in which conditional branching, synchronized waiting for a message, and so on, generated in the communication between agents by using speech acts, are directly represented in the body part of the plan. Then, information filtering by the researcher secretary agent in a laboratory tour guide system is considered, and the usefulness of the proposed method is demonstrated. Lastly, a problem is posed regarding a courteous rejection of a request from the user by the rational agent, which will be an important issue in the future. © 2003 Wiley Periodicals, Inc. Syst Comp Jpn, 34(8): 77–88, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/scj.10114

Engineering AgentSpeak(L): a formal computational model

Perhaps the most successful agent architectures, and certainly the best known, are those based on the Belief-Desire-Intention (BDI) framework. Despite the wealth of research that has accumulated on both formal and practical aspects of this framework, however, there remains a gap between the formal models and the implemented systems. In this paper, we build on earlier work by Rao aimed at narrowing this gap, by developing a strongly-typed, formal, yet computational model of the BDI-based AgentSpeak(L) language. AgentSpeak(L) is a programming language, based on the Procedural Reasoning System (PRS) and the Distributed Multi-Agent Reasoning System (dMARS), which determines the behaviour of the agents it implements. In developing the model, we add to Rao's work, identify some omissions, and progress beyond the description of a particular language by giving a formal specification of a general BDI architecture that can be used as the basis for providing further formal specifications of more sophisticated systems.

THE OK BDI ARCHITECTURE

The design of a belief-desire-intention (BDI) architecture is presented. The architecture is defined using a unified object-based knowledge representation formalism, called the OK formalism, and a unified reasoning and acting module, called the OK rational engine. Together they form the OK BDI architecture for modeling rational agents endowed with beliefs, desires, and intentions.