olemus
andmete talletus ainueksemplaridena:
- säästab mälumahtu, sest
dubleerivad eksemplarid saab asendada viitadega
- võib toimuda failide, plokkide, muutujate tasemel

ISO/IEC 27040:
meetod mälutarbe vähendamiseks
liiasandmete kõrvaldamise teel,
asendades need ainueksemplarile suunatud viidaga;
mõnikord loetakse tihenduse vormiks
=
method of reducing storage needs by eliminating redundant data, which is replaced with a pointer to the unique data copy
Note 1. Deduplication is sometimes considered a form of compression.

ülevaateid
https://en.wikipedia.org/wiki/Data_deduplication

https://en.wikipedia.org/wiki/Record_linkage

https://www.eiseverywhere.com/file_uploads/2a01629a9c3787a3872acb8714a4e417_Monday_1110_TomSas.pdf

https://www.druva.com/blog/understanding-data-deduplication/

http://documentation.commvault.com/commvault/v10/article?p=features/deduplication/c_deduplication_overview.htm

https://core.ac.uk/download/pdf/55634091.pdf

https://cdn.allbound.com/iq-ab/2020/02/Data-DeDuplication-For-Dummies-eBook-ST01793A.pdf

https://csyhua.github.io/csyhua/hua-PIEEE.pdf