62 search results - page 6 / 13 » An Integrated Access Control for Securely Querying and Updat... |
CCS
2007
ACM
14 years 26 days ago
2007
ACM
Data outsourcing is becoming today a successful solution that allows users and organizations to exploit external servers for the distribution of resources. Some of the most challe...
ICDE
2006
IEEE
14 years 22 days ago
2006
IEEE
Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
CCS
2007
ACM
14 years 26 days ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
PODS
2008
ACM
14 years 6 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...
SACMAT
2006
ACM
14 years 19 days ago
2006
ACM
In this paper we propose an access control model for the Resource Description Framework (RDF). We argue that existing access control models, like the ones developed for securing e...