Rare association rule is an association rule consisting of rare items. It is difficult to mine rare association rules with a single minimum support (minsup) constraint because low ...
We propose an information push model information dissemination to mobile users, called dynamic channel model. It is a set of extensions to the conceptual models developed for info...
Ana Paula Afonso, Francisco S. Regateiro, Má...
ing spatio-temporal data as abstract data types into already existing data models is a promising approach to creating spatio-temporal query languages. In this context, an importan...
Existing data-integration systems based on the mediation architecture employ a variety of mechanisms to describe the query-processing capabilities ofsources. However, these system...
In this paper we consider e-mail as a task management tool. Our general goal is to restructure the domain of e-mail. The purpose is to make e-mail even more suitable for messageba...