Analyzing Political Sentiment on Twitter
Martin Ringsquandl, Dušan Petković · 2013
• Microblogs pose a great challenge to aspect-based opinon summarization, including sentiment classification and aspect extraction • Political campaigns can leverage from opinions in online informal political discourse, especially in aggregated form • We propose a new method for aspect extraction based on Pointwise Mutual Information (PMI) and adjusted term frequency • Evaluation shows that the meronymy relationship between politicians and their topics holds and improves accuracy of aspect extraction