XACML has emerged as a popular access control language on the Web, but because of its
rich expressiveness, it has proved difficult to analyze in an automated fashion. In this paper, …

This inference engines are an integral part of semantic data stores. In this paper, we describe
our experience of implementing a scalable inference engine for Oracle semantic data store…

OWL 2 RL was standardized as a less expressive but scalable subset of OWL 2 that allows
a forward-chaining implementation. However, building an enterprise-scale forward-chaining …

Recently, there have been a number of proposals for languages for expressing web service
constraints and capabilities, with WS-Policy and WSPL leading the way. The proposed …

With the widespread use of web services, there is a need for adequate security and privacy
support to protect the sensitive information these services could provide. As a result, there …

While it has been argued that knowledge representation for the World Wide Web must
respect the open world assumption due to the “open” nature of the Web, users of the Web …

The paper addresses the problem of visualizing large scale RDF data via a 3-S approach,
namely, by using, (1) Subsets: to present only relevant data for visualisation; both static and …

In this paper, we present an algorithm that provides natural language (NL) paraphrases for
OWL Ontologies on the Semantic Web. Our goal is to ensure both fluency (readability) and …

Recently, there has been an increased amount of attention dedicated to WS-Policy-it has
become a W3C submission and a working group was formed to standardize the specification. …

XACML has emerged as a popular access control language on the Web, but because of its
rich expressiveness, it has proved difficult to analyze in an automated fashion. Previous …