"Topic model"

On the need of hierarchical emotion classification: Detecting the implicit feature using constrained topic model

Nowadays in China, Sina Weibo has become the most popular microblog platform and researches about it are proposed increasingly. In this paper, the problem of emotion classification of Weibo’s posts is addressed in a hierarchical way using a …

Implicit feature identification in Chinese reviews using explicit topic mining model

The essential work of feature-specific opinion mining is centered on the product features. Previous related research work has often taken into account explicit features but ignored implicit features, However, implicit feature identification, which …