TY - GEN
T1 - Text mining of securities reports for discovering reason of change
AU - Yoshida, Shin Ichiro
AU - Nakatoh, Tetsuya
AU - Mitarai, Shuichi
AU - Hirokawa, Sachio
PY - 2012/12/1
Y1 - 2012/12/1
N2 - A stock market is a base of the economic activity in present-day free economy society. In order to become a listed company, there is a severe examination. Furthermore, yearly duty is attached by law for the listed company to file the fixed form report about the financial condition. In this paper, correspondence of the numeric data about the activity of a company and text data is analyzed for the financial report. All of 68 medical-supplies-related listed companies were chosen first. Then, the feature words were extracted from the reports of the companies where achievements have improved favorably. Moreover, the feature words of the financial report of the time were extracted about the companies where achievements carried out the sharp reversal to profitability.
AB - A stock market is a base of the economic activity in present-day free economy society. In order to become a listed company, there is a severe examination. Furthermore, yearly duty is attached by law for the listed company to file the fixed form report about the financial condition. In this paper, correspondence of the numeric data about the activity of a company and text data is analyzed for the financial report. All of 68 medical-supplies-related listed companies were chosen first. Then, the feature words were extracted from the reports of the companies where achievements have improved favorably. Moreover, the feature words of the financial report of the time were extracted about the companies where achievements carried out the sharp reversal to profitability.
UR - http://www.scopus.com/inward/record.url?scp=84872032283&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84872032283&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84872032283
SN - 9781880843888
T3 - 25th International Conference on Computer Applications in Industry and Engineering, CAINE 2012 and 4th International Symposium on Sensor Network and Application, SNA 2012
SP - 41
EP - 45
BT - 25th International Conference on Computer Applications in Industry and Engineering, CAINE 2012 and 4th International Symposium on Sensor Network and Application, SNA 2012
T2 - 25th International Conference on Computer Applications in Industry and Engineering, CAINE 2012 and the 4th International Symposium on Sensor Network and Application, SNA 2012
Y2 - 14 November 2012 through 16 November 2012
ER -