Sciweavers

3274 search results - page 86 / 655
» Access Support in Object Bases
Sort
View
EUROMICRO
2000
IEEE
14 years 1 months ago
Supporting Cooperative Learning of Process Knowledge on the World Wide Web
The WWW makes learning materials widely accessible and provides an environment where people can learn across time and space. However, the simple read-only information structure on...
Weigang Wang, Jörg M. Haake, Jessica Rubart, ...
SIGCOMM
2004
ACM
14 years 2 months ago
Mercury: supporting scalable multi-attribute range queries
This paper presents the design of Mercury, a scalable protocol for supporting multi-attribute rangebased searches. Mercury differs from previous range-based query systems in that...
Ashwin R. Bharambe, Mukesh Agrawal, Srinivasan Ses...
CCS
2007
ACM
14 years 3 months ago
A data outsourcing architecture combining cryptography and access control
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...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
SIGDOC
1999
ACM
14 years 1 months ago
Role-based access control in online authoring and publishing systems vs. document hierarchy
How to structure diverse (documentation) information sources of an enterprise and how to arrange a workflow with access control are two important issues for online authoring and p...
Zhongdong Zhang, Ernst Georg Haffner, Andreas Heue...
TIME
1994
IEEE
14 years 1 months ago
On the Representation of Temporal Object Roles in Object Oriented Databases
This paper outlines a generic, core temporal object model that provides support for the modeling of temporal object roles. This model draws from notions introduced in some of our ...
Niki Pissinou, Kia Makki