The small world topology is known widespread in biological, social and man-made systems. This paper shows that the small world structure also exists in documents, such as papers. A...
Discovering new topics which cover new items, problems, and ideas (e.g., mobile phone, global warming, human genome project, etc) is truly profitable, important, and interesting f...
In this paper we propose a tool called FaintPop. It is a media designed for a community, with which the sense of connectedness can be shared among members. It is intended to be an ...
In this study we rethought efficient market hypothesis from a viewpoint of complexity of market participants’ prediction methods and market price’s dynamics, and examined the ...
Basket Analysis is the most representative approach in recent study of data mining. However, it cannot be directly applied to the data including numeric data. In this paper, we cl...
We propose a novel community communication system called Public Opinion Channel (POC). Existing communication systems have limitations on eliciting and circulating opinions from co...