<s>
In	O
computational	O
linguistics	O
,	O
a	O
trigram	B-General_Concept
tagger	I-General_Concept
is	O
a	O
statistical	O
method	O
for	O
automatically	O
identifying	O
words	O
as	O
being	O
nouns	O
,	O
verbs	O
,	O
adjectives	O
,	O
adverbs	O
,	O
etc	O
.	O
</s>
<s>
It	O
is	O
trained	O
on	O
a	O
text	O
corpus	O
as	O
a	O
method	O
to	O
predict	O
the	O
next	O
word	O
,	O
taking	O
the	O
product	O
of	O
the	O
probabilities	O
of	O
unigram	B-Language
,	O
bigram	O
and	O
trigram	B-General_Concept
.	O
</s>
<s>
In	O
speech	O
recognition	O
,	O
algorithms	O
utilizing	O
trigram-tagger	O
score	O
better	O
than	O
those	O
algorithms	O
utilizing	O
IIMM	O
tagger	O
but	O
less	O
well	O
than	O
Net	O
tagger	O
.	O
</s>
<s>
The	O
description	O
of	O
the	O
trigram	B-General_Concept
tagger	I-General_Concept
is	O
provided	O
by	O
Brants	O
(	O
2000	O
)	O
.	O
</s>
