Why are they excited?

• DOI: 10.3115/1608974.1609010
• Publication Date: 2010-04-15T13:46:04Z
• Authors: Krisztian Balog; Gilad Mishne; Maarten de Rijke
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology

We describe a method for discovering irregularities in temporal mood patterns appearing large corpus of blog posts, and labeling them with natural language explanation. Simple techniques based on comparing frequencies, coupled quantities data, are shown to be effective identifying the events underlying changes global moods.