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 …

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 …

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Data access in an enterprise setting is a determining factor for value creation processes,
such as sense-making, decision-making, and intelligence analysis. Particularly, in an …

During the recent years and with the growing influence of neural architectures, tasks such as
ad hoc retrieval have witnessed an impressive improvement in performance. For instance …

Value creation in an organisation is a time-sensitive and data-intensive process, yet it is
often delayed and bounded by the reliance on IT experts extracting data for domain experts …

Formulating non-trivial queries in relational languages such as SQL and QBE can prove
daunting to end users. ConQuer is a conceptual query language that allows users to …

A recent EU project, named Optique, with a strong industrial perspective, strives to enable
scalable end-user access to Big Data. To this end, Optique employs an ontology-based …

Flat graphical, conceptual modeling techniques are widely accepted as visually effective
ways in which to specify and communicate the conceptual data requirements of an …

Browsing is a fundamental aspect of exploratory information‐seeking. Associative browsing
represents a common and intuitive set of exploratory strategies in which users step …