706 search results - page 128 / 142 » Access Control: Policies, Models, and Mechanisms |
FTDCS
1997
IEEE
13 years 11 months ago
1997
IEEE
In the paper we present an overview of Saga Security System, a security architecture in open distributed systems. An agent in Saga Security System is called a Saga Agent. The auth...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
JCP
2007
13 years 7 months ago
2007
—The computational Grid concept is gaining great popularity as the best way to deliver access to a wide range of distributed computing and data resources. But, as Grids move from...
IHI
2012
12 years 3 months ago
2012
Electronic Health Record (EHR) and Personal Health Record (PHR) systems could allow patients to better manage their health information and share it to enhance the quality and effi...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...