265 search results - page 27 / 53 » A role-based approach to access control for XML databases |
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
SCANGIS
2003
13 years 8 months ago
2003
Abstract. This paper discusses concurrency control in distributed geographical database systems. A geographic data server providing transactional services must be designed to handl...
MOBISYS
2007
ACM
14 years 7 months ago
2007
ACM
We report on the design, implementation, and evaluation of a system called Cedar that enables mobile database access with good performance over low-bandwidth networks. This is acc...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we follow the role-based access control (RBAC) approach and extend it to provide for the dynamic association of roles with users. In our framework, privileges assoc...
STORAGESS
2005
ACM
14 years 29 days ago
2005
ACM
Database outsourcing is becoming increasingly popular introducing a new paradigm, called database-as-a-service (DAS), where an organization’s database is stored at an external s...