Title
Analysis of stock price return using textual data and numerical data through text mining
Abstract
In finance task domain, it is indispensable to get and analyze information as quickly as possible. Analyst’s reports are one of the important information in asset management, and these include a large amount of text information. However, it is very difficult to handle text information of analyst’s reports, few research and development have been conducted. In [5] and [6] we explored the feasibility to extract valuable knowledge for asset management through text mining using analyst’s reports as text data. And we found the effectiveness of keyword information. In this paper we make further research of analyst’s reports. From empirical study on the practical data, we have confirmed the effectiveness of using keyword information and numerical information together: (1) the effectiveness of keyword information is different by the direction of change of earning estimate; (2) the keyword of “Upward (or Downward) surprise in forecast” has strong effect to stock price return.
Year
DOI
Venue
2006
10.1007/11893004_40
KES (2)
Keywords
Field
DocType
finance task domain,stock price return,keyword information,empirical study,practical data,asset management,textual data,numerical data,text mining,text data,text information,numerical information,important information
Information system,Data mining,Data processing,Text mining,Information management,Information retrieval,Computer science,Stock exchange,Information extraction,Asset management,Empirical research
Conference
Volume
ISSN
ISBN
4252
0302-9743
3-540-46537-5
Citations 
PageRank 
References 
2
0.45
1
Authors
4
Name
Order
Citations
PageRank
Satoru Takahashi14015.01
Masakazu Takahashi294.92
Hiroshi Takahashi3388.89
Kazuhiko Tsuda410847.18