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203
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Key management has long been a challenging problem in wireless Distributed Sensor Networks (DSNs) due to their high security requirements and strict resource constraints. Recen...
158
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Adding SDMA capabilities to modern wireless communication systems like IEEE 802.16 WiMAX promises high system capacity gains but raises the problem of combining orthogo...
176
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
194
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
218
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Relation extraction is a difficult open research problem with important applications in several fields such as knowledge management, web mining, ontology building, intelligent sys...