Smart city represents one of the most promising, prominent and challenging Internet of
Things (IoT) applications [1]. In the last few years, indeed, the smart city concept has played …

After years of mostly theoretical research, Semantic Web Technologies are now reaching out
into application areas like bioinformatics, eCommerce, eGovernment, or Social Webs …

This paper describes the theoretical background and the implementation of dbrec, a music
recommendation system built on top of DBpedia, offering recommendations for more than …

While recommender systems can greatly enhance the user experience, the entry barriers in
terms of data acquisition are very high, making it hard for new service providers to compete …

The amounts of available Semantic Web (SW) data (including Linked Open Data) constantly
increases. Users would like to browse and explore effectively such information spaces …

A frequent topic discussed in the Linked Data community, especially when trying to outreach
its values, is” What can we do with all this data?”. In this paper, we demonstrate (1) how to …

Practical approaches for managing and supporting the life-cycle of semantic content on the
Web of Data have recently made quite some progress. In particular in the area of the user …

Although the Semantic Web data standards are established, ontology-based applications
built on the standards are relatively limited. This is partly due to high learning curve and …

Ontologies have been increasingly used in software systems in the past years. However, in
many of those systems, the ontologies are hidden “under the hood”. While a lot of useful …

Due to the increasing amount of Linked Data openly published on the Web, user-facing
Linked Data Applications (LDAs) are gaining momentum. One of the major entrance barriers …