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Knowledge Discovery from Data Streams
book

Knowledge Discovery from Data Streams

by Joao Gama
May 2010
Intermediate to advanced content levelIntermediate to advanced
255 pages
8h 11m
English
Chapman and Hall/CRC
Content preview from Knowledge Discovery from Data Streams
Ubiquitous Data Mining 195
Figure 12.2: Example of a 2-sensor network. Although the number of cells to
monitor increases exponentially with the number of sensors (dimensions), and
unless data is uniformly distributed in all dimensions (extremely unlikely in
usual data) the data occupy much fewer cells. Left plot presents an equal-width
discretization, while right plot presents an equal-frequency discretization.
cess of updating the first layer works online, doing a single scan over the data
stream, hence being able to process infinite sequences of data, processing each
example in constant time and (almost) constant space. The update process of
the second ...
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Publisher Resources

ISBN: 9781439826126