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VERFAHREN ZUM BLOCKIEREN ODER ÜBERGEBEN VON ÜBER EINE FIREWALL GESENDETEN NACHRICHTEN BASIEREND AUF DEM PARSEN VON ZEICHENKETTEN, DIE IN NACHRICHTEN ZWISCHEN VERSCHIEDENEN SCHLÜSSELWÖRTERN ENTHALTEN SIND
VERFAHREN ZUM BLOCKIEREN ODER ÜBERGEBEN VON ÜBER EINE FIREWALL GESENDETEN NACHRICHTEN BASIEREND AUF DEM PARSEN VON ZEICHENKETTEN, DIE IN NACHRICHTEN ZWISCHEN VERSCHIEDENEN SCHLÜSSELWÖRTERN ENTHALTEN SIND
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摘要
This invention relates to a method of blocking or passing messages sent via a firewall, based on parsing, of symbols strings contained in said messages, among different keywords, assigning to said messages either a blocking class or a passing class, comprising: performing a dimensionality reduction step for said different classes on a training set of messages whose classes are known, and then classifying one or more unknown messages among said different classes with reduced dimensionality, said dimensionality reduction step being performed on said training set of messages by machine learning including processing, for several first matrices and for several second matrices, a parameter representative of a product of two first and second matrices to assess to which given class a given message belongs: first matrix representing a first array of keywords versus symbols strings contained in a first given message, second matrix representing the values of differences between said first array and a second array of keywords versus symbols strings contained in a second given message different from first given message but known to belong to same class as first given message, wherein: a quantum singular value estimation is performed on first matrix, a quantum singular value estimation is performed on second matrix, both quantum singular value estimation of first matrix and quantum singular value estimation of second matrix are combined together, via quantum calculation, so as to get at a quantum singular value estimation of said product of both first and second matrices, said quantum singular value estimation of said product of both first and second matrices being said parameter representative of said product of two first and second matrices processed to assess to which given class said first given message belongs.
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