Characterizing the effectiveness of twitter hashtags to detect and track online population sentiment
Glívia Angélica Rodrigues Barbosa, Ismael Santana Silva, Mohammed Javeed Zaki, Wagner Meira, Raquel O. Prates, Adriano Veloso · 2012
In this paper we describe the preliminary results and future directions of a research in progress, which aims at assessing the hashtag effectiveness as a resource for sentiment analysis expressed on Twitter. The results so far support our hypothesis that hashtags may facilitate the detection and automatic tracking of online population sentiment about different events.