5638 search results - page 1023 / 1128 » On presence |
164
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GRID
2007
Springer
15 years 10 months ago
2007
Springer
We propose strategies to efficiently execute a query workload, which consists of multiple related queries submitted against a scientific dataset, on a distributed-memory system in...
177
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EUROPAR
2009
Springer
15 years 10 months ago
2009
Springer
It is now common for IPTV systems attracting millions of users to be based on a peer-to-peer (P2P) architecture. In such systems, each channel is typically associated with one P2P ...
173
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Efficient resource allocation in cellular OFDMA systems envisages the assignment of the number of subcarriers and the relative transmission format on the basis of the experimented ...
173
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GLOBECOM
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...
181
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ICDCS
2007
IEEE
15 years 10 months ago
2007
IEEE
Instant messaging (IM) has become increasingly popular due to its quick response time, its ease of use, and possibility of multitasking. It is estimated that there are several mil...