olemus
(2a) üldistuse tuletamine,
st üldisema teabe tuletamine konkreetsetest üksikjuhtudest
Wiktionary:
1. an act or instance of generalizing; concluding that something true of a subclass is true of the entire class
2. the formulation of general concepts from specific instances by abstracting common properties
3. inductive reasoning from detailed facts to general principles
https://en.wikipedia.org/wiki/Generalization

(2b) anonüümimise meetod:
kvaasi-identifikaatorite väärtuste
agregeerimine üldisemateks,
väärtuste asendamine vähemkonkreetsete,
kuid semantiliselt samalaadsetega, näiteks
sihtnumbrite 12345, 12546, 12443, 12453 asendamine väärtusega 12***
= a method of anonymization, changing the scale of dataset attributes, or their order of magnitude, to ensure that they are common to a set of entities
http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=2690&context=cstech
https://research.sabanciuniv.edu/id/eprint/13100/1/tdp.a020a09.pdf