Today's industrial production plants are complex mechatronic systems. In the course of the
production plant lifecycle, engineers from a variety of disciplines (eg, mechanics, electronics …

We present Ontop, an open-source Ontology-Based Data Access (OBDA) system that allows
for querying relational data sources through a conceptual representation of the domain of …

With the proliferation of sensors and IoT technologies, stream data are increasingly stored
and analysed, but rarely combined, due to the heterogeneity of sources and technologies …

Abstract Ontology Based Data Access (OBDA) is a prominent approach to query databases
which uses an ontology to expose data in a conceptually clear manner by abstracting away …

Abstract Knowledge graphs such as Yago and Freebase have become a powerful asset for
enhancing search, and are being intensively used in both academia and industry. Many …

Ontologies have recently became a popular mechanism to expose relational database
(RDBs) due to their ability to describe the domain of data in terms of classes and properties …

Monitoring of the state, performance, quality of operations and other parameters of
equipment and production processes, which is typically referred to as condition monitoring …

We present a description and analysis of the data access challenge in Siemens Energy. We
advocate Ontology Based Data Access (OBDA) as a suitable Semantic Web driven …

An important application of semantic technologies in industry has been the formalisation of
information models using OWL 2 ontologies and the use of RDF for storing and exchanging …

Automatic knowledge graph (KG) construction is widely used in industry for data integration
and access, and there are several approaches to enable (semi-) automatic construction of …