795 search results - page 69 / 159 » On the value of threshold signatures |
142
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CJ
2004
15 years 6 months ago
2004
We study the effects of physical layer parameters on the connectivity of fading wireless ad-hoc networks. Relying on a symbol error rate connectivity metric for wireless ad-hoc net...
155
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
For bounded datasets such as the TREC Web Track (WT10g) the computation of term frequency (TF) and inverse document frequency (IDF) is not difficult. However, when the corpus is th...
179
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
The top-k retrieval problem requires finding k objects most similar to a given query object. Similarities between objects are most often computed as aggregated similarities of the...
178
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AIME
2009
Springer
15 years 3 months ago
2009
Springer
Lung cancer represents the most deadly type of malignancy. In this work we propose a machine learning approach to segmenting lung tumours in Positron Emission Tomography (PET) scan...
161
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DATE
2010
IEEE
15 years 10 months ago
2010
IEEE
─ Error tolerance formally captures the notion that – for a wide variety of applications including audio, video, graphics, and wireless communications – a defective chip that...