Wanna know what the most popular movies, albums and video games are? Ask the internet. But don’t Google it. Check what other people Googled. That’s the theory behind Google Flu Trends—which crunches search data to forecast flu prevalence. With admittedly mixed results.Nevertheless, researchers have applied the idea to the stock market. They found that when searches related to business and […]
A new research has come up with a method that automatically identifies the warning signs on search data on Google before subsequent stock market crashes.The research conducted by a team of researchers from Warwick Business School and Boston University shows that increases in searches for business and politics preceded falls in the stock market.Chester Curme, Research Fellow at Warwick Business […]
When will the stock market crash? As with most everything else, the answer lies within Google.In a study published in the Proceedings of the National Academy of Sciences, researchers from Warwick Business School and Boston University have created a method to identify search terms that precede a stock market crash.To help algorithms identify these patterns, the research team categorized every […]
Computer Science > Computation and Language
Title:
Comparing and Combining Sentiment Analysis MethodsAuthors:Pollyanna Gonçalves,
Matheus Araújo,
Fabrício Benevenuto,
Meeyoung Cha(Submitted on 30 May 2014)
Abstract: Several messages express opinions about events, products, and services,
political views or even their author’s emotional state and mood. Sentiment
analysis has been used in several applications including analysis of the
repercussions of events in social networks, analysis of opinions about […]
