Abstract. With the continuously growing number of distributed and heterogeneous IT systems there is the need for structured and efficient identity management (IdM) processes. This ...
This paper describes \Object Group", an object behavioral pattern for group communication and fault-tolerance in distributed systems. The Object Group pattern supports the im...
Attribute staleness arises due to the physical distribution of authorization information, decision and enforcement points. This is a fundamental problem in virtually any secure di...
Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William...
Abstract. Object invariants describe the consistency of object-oriented data structures and are central to reasoning about the correctness of object-oriented software. Yet, reasoni...
In this paper we describe Kaleidoquery, a visual query language for object databases with the same expressive power as OQL. We will describe the design philosophy behind the filte...