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DBSEC
2010
152views Database» more  DBSEC 2010»
13 years 11 months ago
Modelling Dynamic Access Control Policies for Web-Based Collaborative Systems
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
Hasan Qunoo, Mark Ryan
FTDCS
1999
IEEE
14 years 2 months ago
Lessons Learned from Building a Web-Based Spatial Data Discovery Facility
This paper discusses the lessons learned and decisions made while designing and developing a web-based application for the National Spatial Information Framework (NSIF) of South A...
Ferdie Danzfuss, Judith Bishop
ER
2001
Springer
148views Database» more  ER 2001»
14 years 2 months ago
On the Automatic Extraction of Data from the Hidden Web
An increasing amount of Web data is accessible only by filling out HTML forms to query an underlying data source. While this is most welcome from a user perspective (queries are e...
Stephen W. Liddle, Sai Ho Yau, David W. Embley
SDMW
2005
Springer
14 years 3 months ago
An Authorization Framework for Sharing Data in Web Service Federations
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
Martin Wimmer, Alfons Kemper
ECTEL
2006
Springer
14 years 1 months ago
Data and Application Integration in Learning Content Management Systems: A Web Services Approach
This paper describes a service-oriented approach for the integration of third-party external applications and resources into an existing open source eLearning environment. We detai...
Ivan Madjarov, Omar Boucelma