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Vertical Deduplication

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Definition

  • within a custodian; identical copies of a held by different custodians are not . (Cf. .) 1

A method of replacing multiple identical copies of a Document by a single instance of that Document. Deduplication can occur within the data of a single custodian (also referred to as Vertical Deduplication), or across all custodians (also referred to as Horizontal Deduplication).

Maura R. Grossman and Gordon V. Cormack, EDRM page  & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

In the context of Electronic Discovery, a discrete item of Electronically Stored Information that may be the subject or result of a search or review effort.

Maura R. Grossman and Gordon V. Cormack, EDRM page  & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

A method of replacing multiple identical copies of a Document by a single instance of that Document. Deduplication can occur within the data of a single custodian (also referred to as Vertical Deduplication), or across all custodians (also referred to as Horizontal Deduplication).

Maura R. Grossman and Gordon V. Cormack, EDRM page  & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

Deduplication of documents across multiple custodians. Also referred to as Global Deduplication. (Cf. Vertical Deduplication)

Maura R. Grossman and Gordon V. Cormack, EDRM page  & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

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