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DrQuine
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CEO
re: New algorithm said to scrub nets for threats
DrQuine   8/22/2012 4:29:18 AM
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An interesting concept: I suppose it is the converse of the old expression "you can't get there from here". Knowing which nodes first encounter a threat means that certain paths in a network are likely and other ones are ruled out. Certain source locations become prime candidates for further investigation.

R_Colin_Johnson
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Blogger
re: New algorithm said to scrub nets for threats
R_Colin_Johnson   8/10/2012 5:33:11 PM
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The researchers hope to use their algorithm to trace down the source-location of malware, spam, biological epidemics and even terrorism plotters.

R_Colin_Johnson
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Blogger
re: New algorithm said to scrub nets for threats
R_Colin_Johnson   8/10/2012 5:13:18 PM
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The Sparse Inference algorithm sounds too good to be true, since it appears to be a remedy for what the researchers term a "seemingly impossible task." But the heart of the story is that with a careful selection process, all possible nodes of a network do not have to be evaluated in order to make accurate inferences. The real work, however, lies ahead for these researchers, as they try to use Sparse Inference to make predictions about unknown source-locations that actually pan out. For that, they will need to refine a methodology for picking those key nodes and prove that accurate predictions were actually made from their selection. To read a their paper (for free) try: http://www.pedropinto.org.s3.amazonaws.com/publications/locating_source_diffusion_networks.pdf with some supplemental material here: http://www.pedropinto.org.s3.amazonaws.com/publications/locating_source_diffusion_networks_supplem.pdf



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