Sciweavers

3712 search results - page 715 / 743
» Role-Based Access Control
Sort
View
EDBT
2009
ACM
145views Database» more  EDBT 2009»
13 years 11 months ago
An efficient online auditing approach to limit private data disclosure
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
Haibing Lu, Yingjiu Li, Vijayalakshmi Atluri, Jaid...
ICDCS
2007
IEEE
13 years 11 months ago
Understanding Instant Messaging Traffic Characteristics
Instant messaging (IM) has become increasingly popular due to its quick response time, its ease of use, and possibility of multitasking. It is estimated that there are several mil...
Zhen Xiao, Lei Guo, John M. Tracey
CSFW
2004
IEEE
13 years 11 months ago
The Consistency of Task-Based Authorization Constraints in Workflow Systems
Workflow management systems (WFMSs) have attracted a lot of interest both in academia and the business community. A workflow consists of a collection of tasks that are organized t...
Kaijun Tan, Jason Crampton, Carl A. Gunter
CC
2006
Springer
124views System Software» more  CC 2006»
13 years 11 months ago
Polyhedral Code Generation in the Real World
The polyhedral model is known to be a powerful framework to reason about high level loop transformations. Recent developments in optimizing compilers broke some generally accepted ...
Nicolas Vasilache, Cédric Bastoul, Albert C...
CCS
2006
ACM
13 years 11 months ago
Hot or not: revealing hidden services by their clock skew
Location-hidden services, as offered by anonymity systems such as Tor, allow servers to be operated under a pseudonym. As Tor is an overlay network, servers hosting hidden service...
Steven J. Murdoch