Browsing by Subject "Mobile agents"

Now showing items 1-19 of 19

    • Article  

      Coverage analysis of mobile agent trajectory via state-based opacity formulations 

      Saboori, A.; Hadjicostis, Christoforos N. (2011)
      This paper performs coverage analysis of mobile agent trajectory utilizing discrete event system models and employing state-based notions of opacity. Non-deterministic finite automata with partial observation on their ...
    • Conference Object  

      Distributed and proximity-constrained C-means for discrete coverage control 

      Oliva, G.; Gasparri, A.; Fagiolini, A.; Hadjicostis, Christoforos N. (Institute of Electrical and Electronics Engineers Inc., 2018)
      In this paper we present a novel distributed coverage control framework for a network of mobile agents, in charge of covering a finite set of points of interest (PoI), such as people in danger, geographically dispersed ...
    • Article  

      An evaluation of the java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (2000)
      Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information systems and applications. In this paper, we ...
    • Article  

      An evaluation of the Java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (2001)
      Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information systems and applications. In this paper, we ...
    • Article  

      A flexible personalization architecture for wireless Internet based on mobile agents 

      Samaras, George S.; Panayiotou, Christoforos (2002)
      The explosive growth of the Internet has fuelled the creation of new and exciting information services. Most of the current technology has been designed for desktop and larger computers with medium to high bandwidth and ...
    • Article  

      Mobile agents for wireless computing: The convergence of wireless computational models with mobile-agent technologies 

      Spyrou, Christiana; Samaras, George S.; Pitoura, Evaggelia 1967-; Evripidou, Paraskevas (2004)
      Wireless mobile computing breaks the stationary barrier and allows users to compute and access information from anywhere and at anytime. However, this new freedom of movement does not come without new challenges. The mobile ...
    • Article  

      Mobile agents for World Wide Web distributed database access 

      Papastavrou, Stavros; Samaras, George S.; Pitoura, Evaggelia 1967- (2000)
      The popularity of the Web as a universal access mechanism for network information has created the need for developing web-based DBMS client/server applications. However, the current commercial applet-based approaches for ...
    • Conference Object  

      Mobile agents: What about them? Did they deliver what they promised? Are they here to stay? (PANEL) 

      Samaras, George S. (2004)
      Mobile Agents have brought around a new way to perform computations and develop distributed application and it is now struggling for a visible position in the area of distributed and wireless computing. This panel explores ...
    • Conference Object  

      Mobile commerce: Vision and challenges (location and its management) 

      Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2002)
      Mobile computing is distributed computing that involves elements whose location changes in the course of computation. Elements may be software components such as mobile agents or moving objects-data or hardware such as ...
    • Article  

      mPERSONA: Personalized portals for the wireless user: An agent approach 

      Panayiotou, Christoforos; Samaras, George S. (2004)
      The needs of the wireless and mobile user regarding information access and services are quite different than those of the desktop user. This need is not about browsing the Web but about receiving personalized services that ...
    • Article  

      Net-console: Web-based development environment for parallel programs 

      Evripidou, Paraskevas; Samaras, George S.; Spyrou, Christiana; Papagapiou, Andreas (2001)
      Net-Console is an integrated program development environment that can be used as a front-end for High Performance Computing (HPC) sites. It consist of an MPI-aware editor, an execution console, a debugger, monitoring tools ...
    • Conference Object  

      Opacity verification in stochastic discrete event systems 

      Saboori, A.; Hadjicostis, Christoforos N. (2010)
      Motivated by security and privacy considerations in applications of discrete event systems, various notions of opacity have been introduced. Specifically, a system is said to be current-state opaque if the entrance of the ...
    • Conference Object  

      Parallel computing using Java mobile agents 

      Panayiotou, Christoforos; Samaras, George S.; Pitoura, Evaggelia 1967-; Evripidou, Paraskevas (1999)
      We propose a mobile-agent parallel processing framework that uses multiple Java mobile agents, each one of which utilizes multithreading. A mobile agent can travel at any Web site to perform its tasks. We also introduce ...
    • Conference Object  

      A performance analysis framework for mobile agent systems 

      Dikaiakos, Marios D.; Samaras, George S. (Springer Verlag, 2001)
      In this paper we propose a novel performance analysis ap- proach that can be used to gauge quantitatively the performance char- acteristics of different mobile-agent platforms. We materialize this ap- proach as a hierarchical ...
    • Article  

      Performance evaluation of mobile-agent middleware: A Hierarchical approach 

      Dikaiakos, Marios D.; Kyriakou, M.; Samaras, George S. (2001)
      In this paper, we introduce a hierarchical framework for the quantitative performance evaluation of mobile-agent middleware platforms. This framework is established upon an abstraction of the typical structure of mobile-agent ...
    • Conference Object  

      A scalable hash-based mobile agent location mechanism 

      Kastidou, G.; Pitoura, Evaggelia 1967-; Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2003)
      In this paper, we propose a novel mobile agent tracking mechanism based on hashing. To allow our system to adapt to variable workloads, dynamic rehashing is supported The proposed mechanism scales well with both the number ...
    • Article  

      UCYMICRA: Distributed indexing of the web using migrating crawlers 

      Papapetrou, Odysseas; Papastavrou, Stavros; Samaras, George S. (2003)
      Due to the tremendous increase rate and the high change frequency of Web documents, maintaining an up-to-date index for searching purposes (search engines) is becoming a challenge. The traditional crawling methods are no ...
    • Conference Object  

      View Generator (VG): A mobile agent based system for the creation and maintenance of Web views 

      Samaras, George S.; Spyrou, Christiana; Pitoura, Evaggelia 1967- (2002)
      The View Generator (VG) is a system that provides the necessary components for the definition, materialization, storage, maintenance and re-use of views over remote Web-accessible databases. Through the system, clients ...
    • Conference Object  

      ViSMA: Extendible, mobile-agent based services for the materialization and maintenance of personalized and shareable Web views 

      Samaras, George S.; Karenos, K.; Chrysanthis, Panos K.; Pitoura, Evaggelia 1967- (Institute of Electrical and Electronics Engineers Inc., 2003)
      ViSMA (Views Supported by Mobile Agents) is a prototype set of extendible mobile-agent based services that allow the definition, materialization, maintenance and sharing of views created over remote Web-accessible databases. ...