CIDR
2007
13 years 9 months ago
2007
Databases that preserve a historical record of activities and data offer the important benefit of system accountability: past events can be analyzed to detect breaches and maint...
DBSEC
2010
13 years 9 months 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
13 years 9 months 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
13 years 9 months 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
13 years 9 months 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
13 years 9 months 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...
DBSEC
2010
13 years 9 months ago
2010
Private retrieval of public data is useful when a client wants to query a public data service without revealing the specific query data to the server. Computational Private Informa...
DBSEC
2010
13 years 9 months ago
2010
The use of location based services has increased significantly over the last few years. However, location information is only sparsely used as a security mechanism. One of the reas...
DBSEC
2010
13 years 9 months ago
2010
Abstract. In considering a problem in access control for scalable multimedia formats, we have developed new methods for constructing a key assignment scheme. Our first contribution...
BNCOD
2007
13 years 9 months ago
2007
While specification languages for integrity constraints for XML data have been considered in the literature, actual technologies and methodologies for checking and maintaining in...