Search Results for author: Tsutomu Watanabe

Found 1 papers, 0 papers with code

High quality topic extraction from business news explains abnormal financial market volatility

no code implementations23 Oct 2012 Ryohei Hisano, Didier Sornette, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

We show that the whole landscape of news that affect stock price movements can be automatically summarized via simple regularized regressions between trading activity and news information pieces decomposed, with the help of simple topic modeling techniques, into their "thematic" features.

Cannot find the paper you are looking for? You can Submit a new open access paper.