• Article  

      In-network data acquisition and replication in mobile sensor networks 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K.; Samaras, George S. (2011)
      This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting and aggregating spatiooral events of interest and to store these ...
    • Conference Object  

      Minimum-hot-spot query trees for wireless sensor networks 

      Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D.; Gunopulos, Dimitrios (2010)
      We propose a distributed algorithm to construct a balanced communication tree that serves in gathering data from the network nodes to a sink. Our algorithm constructs a near-optimally balanced communication tree with minimum ...
    • Article  

      On the automated implementation of time-based Paxos using the IOA compiler 

      Georgiou, Chryssis; Hadjiprocopiou, Procopis; Musiał, Peter M. (2010)
      Paxos is a well known algorithm for achieving consensus in distributed environments with uncertain processing and communication timing. Implementations of its variants have been successfully used in the industry (eg., ...
    • Article  

      Performing dynamically injected tasks on processes prone to crashes and restarts 

      Georgiou, Chryssis; Kowalski, D. R. (2011)
      To identify the tradeoffs between efficiency and fault-tolerance in dynamic cooperative computing, we initiate the study of a task performing problem under dynamic processes' crashes/restarts and task injections. The system ...
    • Conference Object  

      Perimeter-based data replication in mobile sensor networks 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Andreou, Maria I.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting spatio-temporal events of interest and to store these events ...