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ELPUB
2008
ACM
13 years 11 months ago
2008
ACM
A key parameter in any discussions about the academic peer reviewed journal system is the number of articles annually published. Several diverging estimates of this parameter have...
CCS
2008
ACM
13 years 11 months ago
2008
ACM
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...
EEE
2004
IEEE
14 years 27 days ago
2004
IEEE
In this paper, we propose a new efficient and secure micro-payment scheme, named e-coupons, which can provide the users the facility of delegating their spending capability to oth...
MMMACNS
2001
Springer
14 years 1 months ago
2001
Springer
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
WAIM
2000
Springer
14 years 22 days 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 ...