You can find my April 2013 CACM article in one of 3 forms:  PDF Online Version Digital Edition

Which News Moves Stock Prices? A Textual Analysis Jacob Boudoukh, Ronen Feldman, Shimon Kogan, Matthew Richardson http://www.nber.org/papers/w18725 NBER Working Paper No. 18725 Issued in January 2013NBER Program(s):   AP  A basic tenet of financial economics is that asset prices change in response to unexpected fundamental information. Since Roll’s (1988) provocative presidential address that showed little relation between stock prices and […]

Prof. Ronen Feldman is one of the world’s most recognized experts in the field of text mining, link analysis and the semantic analysis of data. In 1997, Prof. Feldman founded ClearForest, a Boston-based business intelligence company later acquired by Reuters. He coined the term “text mining” in 1995, and his textbook, The Text Mining Handbook: […]

Tutorial Description Sentiment analysis (or opinion mining) is defined as the task of finding the opinions of authors about specific entities. The decision making process of people is affected by the opinions formed by thought leaders and ordinary people. When a person wants to buy a product online he or she will typically start by […]