Filters are foundational.
Everything that exists is a filter.
Filters are the essence of existence and transformation.
Filters transform input to output.
Functions are operational filters.
Mapping is a sequence element filter type.
Reducing and mapping are also filters.
We are filters, so is life, that is all there is.
Functional programming is well grounded in natural logic.
Regards.
Le mar. 31 août 2021 à 13:58, Roger L Costello costello(_at_)mitre(_dot_)org <
xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> a écrit :
Hi Folks,
How do you define those terms? Are they synonymous? Is one a subset of
another?
By "mapping" I mean populating XML instances of one data standard with
data from another data standard. For example, I am currently mapping a
military air navigation data standard to a civilian air navigation data
standard.
By "filtering" I mean performing actions on data such as redacting,
fuzzing, and zeroing. One could think of these actions as mapping: if I
fuzz a lat/long location, I am essentially mapping the location to another
location.
By "transforming" I mean all the kinds of things you can do with XSLT.
Is filtering a subset of mapping? Is mapping a subset of transforming?
/Roger
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