Abstract. e-Procurement is an Internet-based business process for obtaining materials and services and managing their inflow into the organization. In this paper we develop multia...
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
A complete workflow specification requires careful integration of many different process characteristics. Decisions must be made as to the definitions of individual activities, th...
Shazia W. Sadiq, Maria E. Orlowska, Wasim Sadiq, C...
Quality management is becoming a more and more important part of the software development process. As software testing is currently understood as the core function of the quality ...
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...