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174
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SIGMETRICS
2010
ACM
15 years 11 months ago
2010
ACM
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
178
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ACTAC
1998
15 years 6 months ago
1998
In a semi-structured database there is no clear separation between the data and the schema, and the degree to which it is structured depends on the application. Semi-structured da...
218
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
Low-dimensional topic models have been proven very useful for modeling a large corpus of documents that share a relatively small number of topics. Dimensionality reduction tools s...
156
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GIS
2010
ACM
15 years 5 months ago
2010
ACM
Reasoning about space has been a considerable field of study both in Artificial Intelligence and in spatial information theory. Many applications benefit from the inference of ...
282
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MSWIM
2009
ACM
16 years 1 months ago
2009
ACM
It is common practice in wireless multihop network evaluations to ignore interfering signals below a certain signal strength threshold. This paper investigates the thesis that thi...