• Article  

      Finding the K highest-ranked answers in a distributed network 

      Zeinalipour-Yazdi, Constantinos D.; Vagena, Zografoula; Kalogeraki, Vana; Gunopulos, Dimitrios; Tsotras, Vassilis J.; Vlachos, Michail; Koudas, Nick; Srivastava, D. (2009)
      In this paper, we present an algorithm for finding the k highest-ranked (or Top-k) answers in a distributed network. A Top-K query returns the subset of most relevant answers, in place of all answers, for two reasons: (i) ...
    • Conference Object  

      Identifying failures in grids through monitoring and ranking 

      Zeinalipour-Yazdi, Constantinos D.; Neocleous, Kyriacos; Georgiou, Chryssis; Dikaiakos, Marios D. (2008)
      In this paper we present FailRank, a novel framework for integrating and ranking information sources that characterize failures in a grid system. After the failing sites have been ranked, these can be eliminated from the ...
    • Article  

      Metadata ranking and pruning for failure detection in grids 

      Zeinalipour-Yazdi, Constantinos D.; Papadakis, Charis; Georgiou, Chryssis; Dikaiakos, Marios D. (2008)
      The objective of Grid computing is to make processing power as accessible and easy to use as electricity and water. The last decade has seen an unprecedented growth in Grid infrastructures which nowadays enables large-scale ...