892 search results - page 96 / 179 » Efficient Querying of Distributed Resources in Mediator Syst... |
107
Voted
ICDE
2010
IEEE
16 years 13 days ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
103
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IPPS
2003
IEEE
15 years 6 months ago
2003
IEEE
In this paper we propose mechanisms to improve the performance of parallel Java applications executing on multiprogrammed shared-memory multiprocessors. The proposal is based on a...
89
Voted
ECTEL
2007
Springer
15 years 6 months ago
2007
Springer
In the last couple of years we have evidenced several initiatives promoting the vision of open educational systems. Educational brokers are supposed to take advantage of this ‘in...
169
Voted
SIGMOD
2007
ACM
16 years 25 days ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
134
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SIGMETRICS
2008
ACM
15 years 18 days ago
2008
ACM
In this paper, we consider hybrid peer-to-peer systems where users form an unstructured peer-to-peer network with the purpose of assisting a server in the distribution of data. We...