Now showing items 1-3 of 3

    • Marín, Mauricio; Gil Costa, Verónica; Hernández, Cecilia (2009)
      We propose a strategy to perform query processing on P2P similarity search systems based on peers and superpeers. We show that by approximating global but resumed information about the indexed data in each peer, the ...
    • Marín, Mauricio; Gil Costa, Verónica (2007)
      We propose a parallel MPI search engine that is capable of automatically switching between asynchronous message passing and bulk-synchronous message passing modes of operation. When the ob- served query traffic is small ...
    • Feuerstein, Esteban; Marín, Mauricio; Mizrahi, Michel; Gil Costa, Verónica; Baeza Yates, Ricardo (2009)
      Term-partitioned indexes are generally inefficient for the evaluation of conjunctive queries, as they require the communication of long posting lists. On the other side, document-partitioned indexes incur in excessive ...