抄録
The word “ubiquitous”, which was spread all over the world by Mark Weiser, attracts our attention recently. “The ubiquitous society”, the future image of the information society, is where we can get necessary information (digital data) anytime and anywhere. When it comes true, a degree of utilizing information will make a big difference in life. Accordingly creating and using a database will be important for consumers as well as companies.
The purpose of this paper is to consider the general system to build a database and to show examples to utilize a database with regard to the clothes detergent market. An analysis of the database revealed the following: ①Soap users have strong brand loyalty, ②A liquid detergent sub-market exists in the detergent market.
