Recognizing Continuous and Discontinuous Adverse Drug Reaction Mentions from Social Media Using LSTM-CRF

Table 1

Examples of continuous and discontinuous ADR mentions represented by “BIOHD” and “Multilabel,” respectively.

Sentence 1

I

experienced

severe

pain

in

my

left

shoulder

.

BIOHD

O

O

O

DB

DI

O

DI

DI

O

Multilabel

O

O

O

B

I

O

I

I

O

Sentence 2

I

still

have

pain

in

arms

and

legs

with

much

stiffness

.

BIOHD

O

O

O

HB

HI

DB

O

DB

O

O

B

O

Multilabel

O

O

O

B

I

I

O

O

O

O

B

O

B

I

O

I

O