In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
he correspondence between the role abstraction in Role-based Access Control (RBAC) and the notion of organizational positions, it seems easy to construct role hierarchies. This is...
In this paper, we consider filtering false reports in braided multipath routing sensor networks. While multipath routing provides better resilience to various faults in sensor net...
This paper solves some puzzles in the formalisation of logic for discontinuity in categorial grammar. A ‘tuple’ operation introduced in [Solias, 1992] is defined as a mode of...
Abstract— Polling policies have been introduced to simplify the accessing process in client/server systems by a centralized control access scheme. This paper considers a client/s...
Georgios I. Papadimitriou, Athena Vakali, Andreas ...