427 search results - page 20 / 86 » Implementing Real-Time Update of Access Control Policies |
DBSEC
2000
13 years 9 months ago
2000
Abstract At the start of its present term of office in 1997 the UK government published a planning document promising ubiquitous access to Electronic Health Records (EHRs) held wit...
EUROSYS
2010
ACM
14 years 21 days ago
2010
ACM
Combining access control with weakly consistent replication presents a challenge if the resulting system is to support eventual consistency. If authorization policy can be tempora...
POLICY
2009
Springer
14 years 2 months ago
2009
Springer
—Access control and privacy policy relations tend to focus on decision outcomes and are very sensitive to defined terms and state. Small changes or updates to a policy language ...
SDMW
2009
Springer
14 years 2 months ago
2009
Springer
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
PPDP
2010
Springer
13 years 5 months ago
2010
Springer
We propose a model for XML update primitives of the W3C XQuery Update Facility as parameterized rewriting rules of the form: "insert an unranked tree from a regular tree lang...