Now showing items 1-2 of 2

    • Real time enhanced random sampling of online social networks 

      Haralabopoulos, G.; Anagnostopoulos, I. (2014)
      Social graphs can be easily extracted from Online Social Networks (OSNs). However, as the size and evolution of this kind of networks increases over time, conventional sampling methods used to evaluate large graph information ...
    • Tight bounds for black hole search with scattered agents in synchronous rings 

      Chalopin, J.; Das, S.; Labourel, A.; Markou, E. (2013)
      We study the problem of locating a particularly dangerous node, the so-called black hole in a synchronous anonymous ring network with mobile agents. A black hole is a harmful stationary process residing in a node of the ...