DBSEC
2010
13 years 8 months ago
2010
Abstract. This paper describes how to preserve integrity and confidentiality of a directed acyclic graph (DAG) model of provenance database. We show a method to preserve integrity ...
DBSEC
2010
13 years 9 months ago
2010
DBSEC
2010
13 years 11 months ago
2010
Abstract. Majority of the search algorithms in microdata anonymization restrict themselves to a single privacy property and a single criteria to optimize. The solutions obtained ar...
DBSEC
2010
13 years 11 months ago
2010
Abstract. We consider the problem of developing an abstract metamodel of access control in terms of which policies for protecting a principal's private information may be spec...
DBSEC
2010
13 years 11 months ago
2010
We propose a framework to evaluate the risk incurred when managing users and permissions through RBAC. The risk analysis framework does not require roles to be defined, thus making...
DBSEC
2010
14 years 27 days ago
2010
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
DBSEC
2010
14 years 27 days ago
2010
As online social networking sites become more and more popular, they have also attracted the attentions of the spammers. In this paper, Twitter, a popular micro-blogging service, i...
DBSEC
2010
14 years 27 days ago
2010
Abstract. Access control mechanisms are used to control which principals (such as users or processes) have access to which resources based on access control policies. To ensure the...
DBSEC
2010
14 years 27 days ago
2010
This work treats the problem of error-resilient DNA searching via oblivious evaluation of finite automata, formulated as follows: a client has a DNA sequence, and a service provid...
DBSEC
2010
14 years 27 days ago
2010
The intent of peer data management systems (PDMS) is to share as much data as possible. However, in many applications leveraging sensitive data, users demand adequate mechanisms to...