Software:JACK Intelligent Agents

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Short description: Java framework for system development
JACK Intelligent Agents
Stable release
5.6 / July 1, 2015 (2015-07-01)
Written inJava
Operating systemCross-platform
TypeMulti-agent system framework
LicenseProprietary
Websitewww.agent-software.com.au/products/jack/

JACK Intelligent Agents is a framework in Java for multi-agent system development. JACK Intelligent Agents was built by Agent Oriented Software Pty. Ltd. (AOS) and is a third generation agent platform building on the experiences of the Procedural Reasoning System (PRS) and Distributed Multi-Agent Reasoning System (dMARS). JACK is one of the few multi-agent systems that uses the BDI software model and provides its own Java-based plan language and graphical planning tools.

History

JACK Intelligent Agents was initially developed in 1997 by ex-members of the Australian Artificial Intelligence Institute (AAII or A2I2) who were involved in the design, implementation, and application of PRS at SRI International and/or dMARS at the AAII. The JACK platform was written for commercial application of the multi-agent paradigm (a COTS product) to complex problem solving and was the basis for starting the company Agent Oriented Software (AOS) where it remains the flagship product.

Features

JACK Intelligent Agents is a mature commercial multi-agent platform that has been under active research, development, and domain-specific application for more than 10 years. The following provides a listing of the platform's key differentiating features.

  • Agent Run-time: The core of the platform is an extensible multi-agent run-time. Once domain specific agents, plans, events, capabilities, etc. are specified the JACK kernel manages the execution the system including message passing, reasoning, and meta-reasoning.
  • JACK Plan Language (JPL): JACK provides an agent-specific plan language for writing JACK plans (the discrete reasoning executed by agents). The plan language is an extension to the Java and offers commands such as @send and @post for inter-agent messaging, as well as the management of actions, sub-tasks and maintenance of conditions. Plans are compiled into Java classes for execution in the JACK run-time offering speed and correctness of execution.
  • Belief-Desire-Intention Model: In addition to a classical (non-BDI) agent model, the platform realizes the BDI software model, where beliefs are managed by beliefsets encapsulated within agents, desires are the goal states an agent is aspiring to achieve, and intentions are the meta-reasoning and plan-based reasoning the JACK agents use to achieve the current goal.
  • Capabilities: The platform provides capabilities which are abstractions of common behaviors manifest as a complex of plans and events. Capabilities provide a way of conceptually bundling common behaviors and actions and re-using them between agents.[1]
  • JACK Development Environment (JDE): Multi-agent systems can be written in Java code and the JACK plan language in a standard IDE, although the platform provides an agent-centric IDE called the JACK Development Environment or JDE. The JDE provides graphical tools for writing plans, connecting plans to agents, managing inter-agent communication, as well as compiling and running. The JDE also provides graphical tools for debugging and tracing the execution of plans and inter-agent message passing.[2]
  • Graphical plans: A key feature of the JDE is the facility to write and manage graphical plans. These are the discrete reasoning performed by an agent represented graphically as a flow chart, allowing a programmer to manage the code performed in each step of the reasoning graph, and the subject matter expert to manage the logical flow of the reasoning based on the human-readable documentation on each node.[3]
  • JACK Object Modeller (JACOB): An object serialization technology used by the JACK run-time for object initialization and inter-process communication. Java objects are serialized to human-readable ASCII text, not too dissimilar to YAML and XML.[4]
  • Platform Independence: The JACK platform is written in Java, allowing the deployment of JACK multi-agent systems onto the wide array of platforms that support the Java Virtual Machine. Currently JACK can be installed on Microsoft Windows operating systems only using a 32-bit Java Virtual Machine but works also on a 64-bit Java Virtual Machine. On the most recent versions of Mac OS X operating systems (starting from Mac OS X Lion) JACK can be installed only using a console installer.

Extensions

The JACK platform has been extended a number of times since its inception. Most of the extensions, such as JACK Teams and CoJACK were developed by or in collaboration with AOS.

  • JACK Teams: An extension to the BDI software model that facilitates agents collaborating in teams toward achieving a goal.[5] Like JACK, JACK Teams supports its own plan language in what AOS refers to as Team-oriented programming. JACK Teams is integrated into and available as a part of the JACK Intelligent Agents platform.[6]
  • CoJACK: An extension to the JACK platform that adds a cognitive architecture to the agents for eliciting more realistic (human-like) behaviors in virtual environments.[7]
  • FIPA JACK: An extension to the JACK platform to support the FIPA Agent Communications Language.[8]
  • Prometheus: An agent-centric software engineering methodology for managing the SDLC of a multi-agent-based system. JACK was used as the basis for investigation, comparison, and testing the methodology. The Prometheus involved the development of the Prometheus Design Tool (PDT) which was a GUI-based tool for managing design concerns in the process.[9]
  • JACK Eclipse Plug-in: A plug-in that facilitates the development of JACK-based systems in the Eclipse IDE. Specifically, the plug-in adds capabilities to Eclipse to support the JACK file types (such as .plan, .agent, etc.) as well support for JACK plan language.
  • JACK WebBot: An extension that embeds the JACK kernel in the Apache Tomcat web server allowing intelligent agents to be interacted with and formulate responses HTTP requests (via the Java Servlet API).[10]

See also

Notes

  1. ↑ Busetta, Paolosdada; Nicholas Howden; Ralph Ronnquist; Andrew Hodgson (2000). "Structuring BDI Agents in Functional Clusters". Intelligent Agents VI. Agent Theories Architectures, and Languages. Lecture Notes in Computer Science (Springer) 1757: 277–289. doi:10.1007/10719619_21. ISBN 978-3-540-67200-5. 
  2. ↑ "Development Environment Manual: JACK Intelligent Agents® Development Environment Manual". http://www.aosgrp.com/documentation/jack/JDE_Manual_WEB. 
  3. ↑ "Graphical Plan Editor Manual: JACK Intelligent Agents® Graphical Plan Editor Manual". http://www.aosgrp.com/documentation/jack/Plan_Editor_Guide_WEB/. 
  4. ↑ "JACOB Manual: JACK Intelligent Agents® JACOB Manual". http://www.aosgrp.com/documentation/jack/JACOB_Manual_WEB/. 
  5. ↑ Jarvis, Bevan; Jarvis, Dennis; Jain, Lakhmi (2007). "Teams in Multi-Agent Systems". Intelligent Information Processing III. IFIP International Federation for Information Processing (Springer) 228: 1–10. doi:10.1007/978-0-387-44641-7_1. ISBN 978-0-387-44639-4. 
  6. ↑ "Teams Manual: JACK Intelligent Agents® Teams Manual". http://www.aosgrp.com/documentation/jack/JACK_Teams_Manual_WEB/. 
  7. ↑ Evertsz, R.; Busetta, P.; Pedrotti, M.; Ritter, F. E.; Bittner, J. L. (2008). "CoJACK—Achieving principled behaviour variation in a moderated cognitive architecture". http://acs.ist.psu.edu/papers/evertszBPRB08.pdf. 
  8. ↑ de Silva, Lavindra (2001). "Building FIPA Compliancy into JACK". RMIT. http://goanna.cs.rmit.edu.au/~ldesilva/doc/fipa.pdf. Retrieved 2009-06-04. 
  9. ↑ Padgham, Lin; Winikoff, Michael (2002). "Prometheus: A Pragmatic Methodology for Engineering Intelligent Agents". http://goanna.cs.rmit.edu.au/~linpa/Papers/oopsla02.pdf. 
  10. ↑ "WebBot Manual: JACK Intelligent Agents® WebBot Manual". http://www.aosgrp.com/documentation/jack/WebBot_Manual_WEB. 

References

External links



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