Background and objective We live our lives by the calendar and the clock, but time is also an
abstraction, even an illusion. The sense of time can be both domain-specific and complex …

Abstract The Web of Data, and in particular Linked Data, has seen tremendous growth over
the past years. However, reuse and take-up of these rich data sources is often limited and …

We introduce SOWL QL, a query language for spatio-temporal information in ontologies.
Building-upon SOWL (Spatio-Temporal OWL), an ontology for handling spatio-temporal …

Temporal representation and reasoning are important facets in the design of many Semantic
Web applications. Several approaches exist to represent and reason about precise temporal …

DBpedia is one of the largest datasets in the linked Open Data cloud. Its centrality and its
cross-domain nature makes it one of the most important and most referred to knowledge …

Mathematics is becoming increasingly collaborative, but software does not sufficiently
support that: Social Web applications do not currently make mathematical knowledge …

Personal Data Stores are among the many efforts that are currently underway to try to re-
decentralise the Web, and to bring more control and data management and storage …

Abstract The World Wide Web is evolving towards an ecosystem of applications and
services offering personalised content to its users. At the same time, the widespread …

Expertise modeling has been the subject of extensive research in two main disciplines:
Information Retrieval (IR) and Social Network Analysis (SNA). Both IR and SNA approaches …

Recent changes in the workplace have led to a significant increase in the use of enterprise
collaboration software. The adoption of collaboration software is not always straightforward …