Today's construction industry relies heavily on high-performing building information
modelling (BIM) systems. By deploying the Industry Foundation Classes (IFC) as a …

The Semantic Web drives toward the use of the Web for interacting with logically
interconnected data. Through knowledge models such as Resource Description Framework …

The purpose of this paper is to provide a rigorous comparison of six query languages for
RDF. We outline and categorize features that any RDF query language should provide and …

Background With an ever-growing ageing population, dementia is fast becoming the chronic
disease of the 21 st century. Elderly people affected with dementia progressively lose their …

RDF provides a basic way to represent data for the Semantic Web. We have been
experimenting with the query paradigm for working with RDF data in semantic web …

This article presents a technique to incrementally maintain materializations of ontological
entailments. Materialization consists in precomputing and storing a set of implicit …

An electronic marketplace (e-marketplace) is a common business information space
populated with many entities of different system types. Each of them has its own context of …

Hyperlinks and forms let humans navigate with ease through websites they have never seen
before. In contrast, automated agents can only perform preprogrammed actions on Web …

With policy management becoming popular as a means of providing flexible Web security,
the number of policy languages being proposed for the Web is constantly increasing. We …

Three-dimensional (3-D) geometry can be described in many ways, with both a varying
syntax and a varying semantics. As a result, several very diverse schemas and file formats …