The Basque “Web as Corpus” corpus was created by Mr. Igor Leturia (i dot leturia at elhuyar dot com) in 2012.

The tags in the corpus are:

ADB	adverb
ADI	verb
ADJ	adjective
ADL	auxiliary verb
ADT	synthetic verb
AUR	prefix word
BST	other
DET	determiner
ERL	relational suffix (subordination)
HAOS	multiword component
IOR	pronoun
ITJ	interjection
IZE	noun
LAB	abbreviation
LOT	conjunction
PRT	particle
SIG	acronym
SNB	symbol