Browsing has been the core access method for the Web from its beginning. Analogously,
one good practice for publishing data on the Web is to support dereferenceable URIs, to …

Descriptive and empirical sciences, such as History, are the sciences that collect, observe
and describe phenomena to explain them and draw interpretative conclusions about …

Ontologies define the main concepts and relations of a domain and can play the role of
common language between domain experts, software developers and computer systems …

Since the task of accessing RDF datasets through structured query languages like SPARQL
is rather demanding for ordinary users, there are various approaches that attempt to exploit …

Answer type prediction is a key task in Question Answering (QA) that aims at predicting the
type of the expected answer for a user query expressed in natural language. In this paper …

Every university in Greece is obliged to comply with the national legal framework on open
data. The rising question is how such a big and diverse organization could support open …

One of the most user-friendly methods to search over knowledge graphs is the usage of
keyword queries. They offer a simple text input that requires no technical or domain …

All public bodies in Greece, including universities, are obliged to comply with the national
legal framework and policy on open data. An emerging concern is how such a big and …

Keyword search is a technology that allows non-expert users to explore and retrieve
information and it is traditionally used for unstructured data, such as in Web page searches …

All public bodies in Greece, including Universities, are obliged to comply with the national
legal framework and policy on open data. An emerging concern is how such a big and …