olemus
toorandmetest (mis enamasti on struktureerimata)
vajalike väljaeraldamine edasiseks töötluseks;
toorandmeallikad on näiteks
- meilid
- sidusmõõteandmed
- skaneeritud tekst
- veebilehed
=
the process of collecting data from various sources
for the purpose of processing or storing

ülevaateid
https://www.techopedia.com/definition/25328/data-extraction

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

http://www.learn.geekinterview.com/data-warehouse/data-extraction/what-is-data-extraction.html

http://researchguides.ebling.library.wisc.edu/systematic-reviews/author/data

http://esquiresheffield.pbworks.com/f/Extraction.pdf

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4514954/

vahendeid
http://www.capterra.com/data-extraction-software/

http://www.hongkiat.com/blog/web-scraping-tools/