Table 3 Dataset instances.

From: Sentiment classification via improved feature selection using Boolean operator-based particle swarm optimization

Instance name

# Features

# Instances

Camera

1457

98

Camp

1810

804

Doctor

1811

1478

Drug

1312

802

Laptop

1840

176

Lawyer

2123

220

Music

1441

582

Radio

1758

1004

TV

2423

470