Software that tracks mood swings across the ‘blogosphere’ and pinpoints the events behind them could provide more insightful ways to search and analyse the web, researchers say. The software, called MoodViews, was created by Gilad Mishne and colleagues at Amsterdam University, The Netherlands. It tracks about 10 million blogs hosted by the US service LiveJournal. “I noticed that blog posts on LiveJournal have mood labels attached,” Mishne says. “We started to collect this information and noticed trends in different moods over time.” About 250,000 new LiveJournal posts are created every day and roughly 150,000 of these include a label for one of hundreds of different moods. Moodviews keeps track of these labels and generates a graph, revealing emotions shifts across all LiveJournal blogs over time.
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