172 search results - page 29 / 35 » Foundations of schema mapping management |
DOLAP
2006
ACM
14 years 1 months ago
2006
ACM
One of the most important tasks performed in the early stages of a data warehouse project is the analysis of the structure and content of the existing data sources and their inten...
PODS
2011
ACM
12 years 10 months ago
2011
ACM
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...
ISPDC
2003
IEEE
14 years 29 days ago
2003
IEEE
Many formal modelling notations for business processes have been proposed during the last decade. They can be broadly classified into high-level visual notations, with an intuiti...
TJS
2008
13 years 7 months ago
2008
XML is a flexible and powerful tool that enables information and security sharing in heterogeneous environments. Scalable technologies are needed to effectively manage the growing...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
In this paper we propose an access control model for the Resource Description Framework (RDF). We argue that existing access control models, like the ones developed for securing e...