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159
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JSAC
2008
15 years 4 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
206
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JSW
2008
15 years 4 months ago
2008
In a mobile computing system, users carrying portable devices can access database services from any location without requiring a fixed position in the networking environment. Some ...
127
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JUCS
2008
15 years 4 months ago
2008
Abstract: In this paper we present and discuss a new approach for securing multimedia communication, which is based on three innovations. The first innovation is the integration of...
136
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JUCS
2008
15 years 4 months ago
2008
: Feature selection methods are often applied in the context of document classification. They are particularly important for processing large data sets that may contain millions of...
144
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JUCS
2008
15 years 4 months ago
2008
: Communication processes have become increasingly important in modern working life. Organizations invest a surprisingly high amount of financial resources and employee work time i...