It is well known that internet shoppers are very sensitive to sale prices. They visit the various shopping malls and collect the product information including purchase conditions for goods purchase decision-making. Recently the necessity of information su

It is well known that a goods buyer who uses the internet shopping mall is sensitive to a sale price. The buyer visits the various shopping malls and collects the product information including purchase conditions for goods purchase decision-making. Recently the necessity of information support is increasing because of increase of information which is necessary and complexity of goods purchase decision-making process. The comparison shopping agent systems have provided price comparison information which is collected from various shopping malls to satisfy buyer's information craving. But the frequent price change caused by keen price competition is becoming the primary reason of information quality decline among price comparison sites. RSS which is a family of web feed formats used to publish frequently updated is applied even in on-line shopping malls. This paper develops a product information collection system which can provide up-to-date product information of real-time using RSS. To achieve this goal RSS crawling system for searching shopping mall RSS links automatically, RSS reader to collect product information from several shopping malls and a product DB where the application characteristic is high are suggested.

This paper introduces reliability stress screening(RSS) for electronic hardware and components. This study also shows reliability centered maintenance(RCM), and reliability growth models. Moreover, this paper presents goodness-of-fit tests and estimation methods of power law model.