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Extraction

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Definitions Edit

Biometrics Edit

Extraction is

the process of converting a captured biometric sample into biometric data so that it can be compared to a reference.[1]

Data Edit

Extraction is

[t]he permanent or temporary transfer of all or a substantial part of the contents of a database to another medium by any means or in any form.[2]

National security Edit

Extraction is

a technique for reducing the number of attributes used in the processes of classification, segmentation, and pattern recognition. Within a document, entity extraction can also be customized to recognize pattern-based, list-based entities, events, and relationships.[3]

References Edit

  1. NSTC Subcommittee on Biometrics, Biometrics Glossary, at 11 (Sept. 14, 2006) (full-text).
  2. Bits of Power: Issues in Global Access to Scientific Data, Glossary, at 199.
  3. Survey of DHS Data Mining Activities, at 15 n.18.

See also Edit

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