Once the words making up the text have been lemmatized and extracted, a classifier can automatically determine the subject matter of said text or document.
To this end, an extensive dictionary or database of terms classified and labelled according to subject matter is indispensable, with which to compare the words extracted from a given text.
UZEI has developed a tool capable of classifying texts automatically:
The text classifier Gaika (see Gaika)
Legea betetzeko webgune honek cookieak erabiltzen dituela jakinarazten dizugu. Lege-oharra