651 search results - page 31 / 131 » Negative Database for Data Security |
PODS
2005
ACM
14 years 8 months ago
2005
ACM
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
DASFAA
2007
IEEE
14 years 2 months ago
2007
IEEE
To support secure exchanging and sharing of XML data over the Internet, a myriad of XML access control mechanisms have been proposed. In the setting of node-level fine-grained acc...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
Data privacy has been an important research topic in the security, theory and database communities in the last few decades. However, many existing studies have restrictive assumpt...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
A biometric template protection system for dynamic signature veri cation is presented. The approach uses auxiliary (helper) data that allows the matching with secure templates but...
CCS
2007
ACM
14 years 1 months 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...