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163
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BNCOD
2007
15 years 7 months ago
2007
: We present a new approach for accelerating the execution of XPath expressions using parameterized materialized XPath views (PXV). While the approach is generic we show how it can...
158
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ESANN
2006
15 years 7 months ago
2006
In this study, a method for hierarchical examination and visualization of GSM data using the Self-Organizing Map (SOM) is described. The data is examined in few phases. At first te...
183
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ESANN
2006
15 years 7 months ago
2006
Neural gas (NG) constitutes a very robust clustering algorithm which can be derived as stochastic gradient descent from a cost function closely connected to the quantization error...
169
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ICC
2007
IEEE
16 years 20 days ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
149
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INFOCOM
2007
IEEE
16 years 19 days ago
2007
IEEE
Abstract—It is often claimed that future systems will necessarily be all-optical, because electronic devices are not fast enough to keep up with the increase in fiber capacity. ...