OGSA-DQP is a Distributed Query Processing system for the Grid. It uses the OGSA-DAI framework for querying individual databases and adds on top of it an infrastructure to perform ...
Peer-to-peer file-sharing systems suffer from the overspecification of query results due to the fact that queries are conjunctive and the descriptions of shared files are sparse. ...
The problem of eciently retrieving and ranking documents from a huge collection according to their relevance to a research topic is addressed. A broad class of queries is dened a...
Abstract—This paper proposes a strategy to organize metricspace query processing in multi-core search nodes as understood in the context of search engines running on clusters of ...
Veronica Gil Costa, Ricardo J. Barrientos, Maurici...