98 search results - page 9 / 20 » Designing Role Hierarchies for Access Control in Workflow Sy... |
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...
ACSAC
2002
IEEE
14 years 16 days ago
2002
IEEE
In this paper we describe a mainframe access control system (DENT) and its associated delegated administration tool (DSAS) that were used in a financial institution for over 20 y...
FOSAD
2009
Springer
14 years 2 months ago
2009
Springer
Access control is central to security in computer systems. Over the years, there have been many efforts to explain and to improve access control, sometimes with logical ideas and t...
ESORICS
2009
Springer
14 years 8 months ago
2009
Springer
Abstract. Recent years have seen unprecedented growth in the popularity of social network systems, with Facebook being an archetypical example. The access control paradigm behind t...
WAIM
2000
Springer
13 years 11 months ago
2000
Springer
In this paper, a locking-based concurrency control scheme is presented for object-oriented databases (OODBs). It is designed for controlling accesses to class hierarchy, which is ...