Browsing by Author "Pitoura, Evaggelia 1967-"

Now showing items 1-19 of 19

    • Conference Object  

      Communities: Concept-based querying for mobile services 

      Skouteli, C.; Panayiotou, Christoforos; Samaras, George S.; Pitoura, Evaggelia 1967- (2005)
      In this paper, we consider semantic service discovery in a global computing environment. We propose creating a dynamic overlay network by grouping together semantically related services. Each such group is termed a community. ...
    • Conference Object  

      Concept-based discovery of mobile services 

      Skouteli, C.; Samaras, George S.; Pitoura, Evaggelia 1967- (2005)
      In this paper, we consider semantic service discovery in a global computing environment. We propose creating a dynamic overlay network by grouping together semantically related services. Each such group of services is ...
    • Book  

      Data management for mobile computing 

      Pitoura, Evaggelia 1967-; Samaras, George S. (Kluwer Academic, 1998)
    • Article  

      DBGlobe: A service-oriented P2P system for global computing 

      Pitoura, Evaggelia 1967-; Abiteboul, S.; Pfoser, D.; Samaras, George S.; Vazirgiannis, M. (2003)
      The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a super-database. Our goal is to develop a data management system ...
    • Book Chapter  

      Distributed Databases and Transaction Processing 

      Pitoura, Evaggelia 1967-; Chrysanthis, Panos K.; Samaras, George S. (John Wiley and Sons, 2012)
    • Conference Object  

      Distributed in-memory processing of All K Nearest Neighbor queries 

      Chatzimilioudis, Georgios; Costa, Constantinos; Zeinalipour-Yazdi, Constantinos D.; Lee, W. -C; Pitoura, Evaggelia 1967- (Institute of Electrical and Electronics Engineers Inc., 2016)
      A wide spectrum of Internet-scale mobile applications, ranging from social networking, gaming and entertainment to emergency response and crisis management, all require efficient and scalable All k Nearest Neighbor (AkNN) ...
    • 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  

      Locating objects in mobile computing 

      Pitoura, Evaggelia 1967-; Samaras, George S. (2001)
      In current distributed systems, the notion of mobility is emerging in many forms and applications. Mobility arises naturally in wireless computing since the location of users changes as they move. Besides mobility in ...
    • 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 ...
    • Article  

      Mobile agents for WWW distributed database access 

      Papastavrou, Stavros; Samaras, George S.; Pitoura, Evaggelia 1967- (1999)
      The popularity of 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 methodologies for ...
    • Article  

      The PaCMAn Metacomputer: Parallel computing with Java mobile agents 

      Evripidou, Paraskevas; Samaras, George S.; Panayiotou, Christoforos; Pitoura, Evaggelia 1967- (2001)
      The PaCMAn (parallel computing with Java mobile agents) Metacomputer launches multiple Java mobile agents that communicate and cooperate to solve problems in parallel. Each mobile agent can travel anywhere in the Web to ...
    • 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 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 ...
    • Conference Object  

      Survey on the Java-based approaches for web database connectivity 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (IEEE, 2000)
      The undeniable popularity of the web makes the efficient accessing of distributed databases from web clients an important topic. Various methods for web database integration have been proposed but recently there is an ...
    • Conference Object  

      Topic 14 -mobile and ubiquitous computing 

      Pitoura, Evaggelia 1967-; Dikaiakos, Marios D.; Issarny, V.; Preguica, N. (2005)
    • 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. ...