33 search results - page 5 / 7 » A Rewrite Based Approach for Enforcing Access Constraints fo... |
ACSAC
2001
IEEE
14 years 6 days ago
2001
IEEE
We present an approach for controlling access to data publishers in the framework of Web-based information services. The paper presents a model for enforcing access control regula...
SIGMOD
2007
ACM
14 years 8 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...
CORR
1998
Springer
13 years 8 months ago
1998
Springer
Abstract. This paper presents a novel formalization of optimality theory. Unlike previous treatments of optimality in computational linguistics, starting with Ellison 1994 , the n...
ENTCS
2006
13 years 8 months ago
2006
Model transformation means converting an input model available at the beginning of the transformation process to an output model. A widely used approach to model transformation us...
SAC
2004
ACM
14 years 2 months ago
2004
ACM
Integrity constraints are valuable tools for enforcing consistency of data in a database. Global integrity constraints ensure integrity and consistency of data spanning multiple d...