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190
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INFOCOM
2008
IEEE
16 years 1 months ago
2008
IEEE
—Cooperative relaying has been shown to provide diversity gains which can significantly improve the Packet Error Rate (PER) in wireless transmissions. In ad hoc wireless routing...
202
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SIPS
2007
IEEE
16 years 1 months ago
2007
IEEE
We analyze a precoded and iteratively detected downlink multiuser system employing imperfect Spatio-Temporal Channel Impulse Response at the Transmitters (ST-CIRT) with the aid of...
223
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BTW
2007
Springer
16 years 27 days ago
2007
Springer
: For the integration of data that resides in autonomous data sources Software AG uses ontologies. Data source ontologies describe the data sources themselves. Business ontologies ...
177
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OZCHI
2006
ACM
16 years 21 days ago
2006
ACM
For people working in situations with few colleagues around, information technology could be used for increased communication with colleagues at other places. One such group is te...
196
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ICDE
2005
IEEE
16 years 10 days ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...