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Syntactic matching

Definition(s):

  uses internal structures present in digital objects. For example, the structure of a TCP network packet is defined by an international standard and matching tools can make use of this structure during network packet analysis to match the source, destination or content of the packet. Syntax-sensitive similarity measurements are specific to a particular class of objects that share an encoding but require no interpretation of the content to produce meaningful results.
Source(s):
NIST SP 800-168