79 research outputs found
Coordination Of Hierarchical Command And Control Services
The purpose of this program is to show emerging information technologies can significantly improve key areas of tactical operations, resulting in the conversion of software developed under the ATO to existing battlefield systems. One such key area is Information Dissemination and Management (ID&M). The key software that will be developed under the ID&M portion requires a collection of agent-based software services that will collaborate during tactical mission planning and execution
Extensible Java based agent framework
Agentska paradigma predstavlja najprirodniji i najdosledniji postojeći pristup implementaciji distribuiranih sistema. Uz pomoć agenata moguće je u potpunosti realizovati koncept distribuiranih softverskih komponenti, koje će, osim rešenja zadatka na distribuiranom nivou, pružiti i određenu količinu autonomnosti i inteligencije da bi se zadati cilj ostvario. Agentsko okruženje predstavlja programsko okruženje koje upravlja životnim tokom agenata i obezbeđuje mu sve potrebne mehanizme za realizaciju zadatka. U ovoj doktorskoj disertaciji predložen je model agentskog okruženja baziran na tehnologiji distribuiranih komponenti, koji podržava FIPA specifikaciju i sledeće koncepte: razmenu poruka, mobilnost agenata, sigurnosne mehanizme i direktorijume agenata i servisa. Model agentskog okruženja je implementiran u J2EE tehnologiji. Podržan je sistem plug-in-ova za sve bitne komponente agentskog okruženja (menadžere). Modelovan je i implementiran koncept mobilnih zadataka. Dat je model i implementacija sistema međusobnog uređenja odnosa agentskih centara. Predloženo rešenje agentskog okruženja verifikovano je na bibliotečkom informacionom sistemu BISIS. Verifikacija je izvršena na sledećim agentskim zadacima: pretraživanje bibliotečke mreže, ocenjivanje kvaliteta zapisa i inteligentna raspodela opterećenja.Agent technology is one of the most consistent approaches to the distributed computing implementation. Agents can be used to fully implement distributed software component concept. Agents can solve distributed problems utilizing certain degree of autonomy and intelligence. Agent framework represents programming environment that controls agent life cycle and provides all necessary mechanisms for task execution. The subject of the dissertation is formal specification of an agent framework based on distributed component technology. This framework supports FIPA specification and following concepts: message interchange, agent mobility, security and agent and service directory. Agent framework is implemented in J2EE technology. Plug-in system is designed for all key elements of agent framework. Mobile tasks were specified and implemented. Also, inter-facilitator connectivity mechanism is specified and implemented. The framework is verified by a case study on the library information system BISIS. Following agent tasks were performed: library network search, library record quality estimation and intelligent load balansing.
Extensible Java based agent framework
Agentska paradigma predstavlja najprirodniji i najdosledniji postojeći pristup implementaciji distribuiranih sistema. Uz pomoć agenata moguće je u potpunosti realizovati koncept distribuiranih softverskih komponenti, koje će, osim rešenja zadatka na distribuiranom nivou, pružiti i određenu količinu autonomnosti i inteligencije da bi se zadati cilj ostvario. Agentsko okruženje predstavlja programsko okruženje koje upravlja životnim tokom agenata i obezbeđuje mu sve potrebne mehanizme za realizaciju zadatka. U ovoj doktorskoj disertaciji predložen je model agentskog okruženja baziran na tehnologiji distribuiranih komponenti, koji podržava FIPA specifikaciju i sledeće koncepte: razmenu poruka, mobilnost agenata, sigurnosne mehanizme i direktorijume agenata i servisa. Model agentskog okruženja je implementiran u J2EE tehnologiji. Podržan je sistem plug-in-ova za sve bitne komponente agentskog okruženja (menadžere). Modelovan je i implementiran koncept mobilnih zadataka. Dat je model i implementacija sistema međusobnog uređenja odnosa agentskih centara. Predloženo rešenje agentskog okruženja verifikovano je na bibliotečkom informacionom sistemu BISIS. Verifikacija je izvršena na sledećim agentskim zadacima: pretraživanje bibliotečke mreže, ocenjivanje kvaliteta zapisa i inteligentna raspodela opterećenja.Agent technology is one of the most consistent approaches to the distributed computing implementation. Agents can be used to fully implement distributed software component concept. Agents can solve distributed problems utilizing certain degree of autonomy and intelligence. Agent framework represents programming environment that controls agent life cycle and provides all necessary mechanisms for task execution. The subject of the dissertation is formal specification of an agent framework based on distributed component technology. This framework supports FIPA specification and following concepts: message interchange, agent mobility, security and agent and service directory. Agent framework is implemented in J2EE technology. Plug-in system is designed for all key elements of agent framework. Mobile tasks were specified and implemented. Also, inter-facilitator connectivity mechanism is specified and implemented. The framework is verified by a case study on the library information system BISIS. Following agent tasks were performed: library network search, library record quality estimation and intelligent load balansing.
Chapter Leveraging Internet-of-Things to Support Circular Economy Paradigm in Manufacturing Industry
Circular economy represents a fundamental alternative to the currently predominating linear economy model, while Industry 4.0 is a technological enabler to bring process innovation in the industrial domain. New economic models are needed in order to reduce material inputs and waste generation leveraging on ecodesign, recycling and reusing of products, new business models, and new technologies. Internet-of-Things and artificial intelligence can support the circular economy paradigm, through the development of a marketplace for connecting buyers and sellers of manufacturing services, raw materials and products toward building global supply chains. The core component of this marketplace is a novel, agent-based, brokering module that will apply both syntactic and semantic matching in terms of manufacturing capabilities, in order to find the best possible supplier to fulfill a request for a service, raw materials or products involved in the supply chain
AGNI: an API for the control of automomous service robots
With the continuum growth of Internet connected devices, the scalability of the
protocols used for communication between them is facing a new set of challenges. In
robotics these communications protocols are an essential element, and must be able to
accomplish with the desired communication.
In a context of a multi-‐‑agent platform, the main types of Internet communication
protocols used in robotics, mission planning and task allocation problems will be
revised. It will be defined how to represent a message and how to cope with their
transport between devices in a distributed environment, reviewing all the layers of the
messaging process.
A review of the ROS platform is also presented with the intent of integrating the
already existing communication protocols with the ServRobot, a mobile autonomous
robot, and the DVA, a distributed autonomous surveillance system. This is done with
the objective of assigning missions to ServRobot in a security context
Extending the Communication Capabilities of Agents
Agent technology is in principle well suited for realizing various kinds of distributed systems, but in practice agents are seldomly chosen for realizing real-world applications. One reason hindering agents being used in practice is their cumbersome communication mechanism focused on speech act based message exchange which makes them hard for practitioners used to work in an object oriented way. To broaden the application spectrum of agent technology in practice and make them more accessible for object-oriented developers, this paper presents additional communication means for agents. First, it will be shown how agents can interact using strongly typed service interfaces resorting to asynchronous future based methods. These allow keeping agents autonomous and further support several recurrent interaction patterns within one method call, i.e. without having to use complex message protocols. Second, an extension for binary data streaming via virtual connections will be presented. Its usage resembles established input and output streaming APIs and lets developers transfer data between agents in the same simple way as e.g. a file is written to hard disk. Furthermore, virtual connections allow failure tolerant transmission by multiplexing data across different physical connections. Usefulness of the extensions will be further explained with a real-word example application from the area of business intelligence workflows
Leveraging Internet-of-Things to Support Circular Economy Paradigm in Manufacturing Industry
Circular economy represents a fundamental alternative to the currently predominating linear economy model, while Industry 4.0 is a technological enabler to bring process innovation in the industrial domain. New economic models are needed in order to reduce material inputs and waste generation leveraging on ecodesign, recycling and reusing of products, new business models, and new technologies. Internet-of-Things and artificial intelligence can support the circular economy paradigm, through the development of a marketplace for connecting buyers and sellers of manufacturing services, raw materials and products toward building global supply chains. The core component of this marketplace is a novel, agent-based, brokering module that will apply both syntactic and semantic matching in terms of manufacturing capabilities, in order to find the best possible supplier to fulfill a request for a service, raw materials or products involved in the supply chain
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A Communication Middleware for Ubiquitous Multimedia Adaptation Services
Ubiquitous services have gained increasing attention in the area of mobile communication aiming to allow service access anywhere, anytime and anyhow while keeping complexity to a minimum for both users and service providers. Ubiquitous environment features a wide range and an increasing number of access devices and network technologies. Context-aware content/service adaptation is deemed necessary to ensure best user experience. We developed an Adaptation Management Framework (AMF) Web Service which manages the complexity of dynamic and autonomous content adaptation and serves as an invisible enabler for ubiquitous service delivery. It remains challenging to manage the tasks involved in the communication between the AMF Web Service and the user's environment, typically represented by various types of intelligent agents. This work presents a middleware which manages those tasks and serves not only as a protocol gateway, but also as a message translator, a service broker, a complexity shield etc., between AMF Web Services and User Agents
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