In this paper, we analyze the role of the social group in a Ubiquitous Computing (Ubicomp) environment as a source of contextual information. A model is presented to address the s...
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
Due to the rapid advancement of electronic commerce and web technologies in recent years, the concepts and applications of decision support systems have been significantly extende...
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Current collaborative work environments are characterized by dynamically changing organizational structures. Although there have been several efforts to refine work distribution, ...