The Semantic Web anticipates integrated access to a large number of information sources
on the Internet represented as Resource Description Framework (RDF). Given the large …

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 …

Relational databases are considered one of the most popular storage solutions for various
kinds of data and they have been recognized as a key factor in generating huge amounts of …

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 …

The content of most Web pages is dynamically derived from an underlying relational
database. Thus, the success of the Semantic Web hinges on enabling access to relational …

Relational databases scattered over the web are generally opaque to regular web crawling
tools. To address this concern, many RDB-to-RDF approaches have been proposed over …

Describing relational data sources (ie databases) by means of ontologies constitutes the
foundation of most of the semantic based approaches to data access and integration. In …

Abstract Relating Semantic Web ontologies with relational databases becomes a topical
problem as ontologies provide more and richer capabilities for accessing information that is …

The goal of the paper is to define reversible, information preserving transformation from
OWL 2ontologies into relational databases using our proposed hybrid approach, when a …

The lack of semantic richness is one of the biggest drawbacks of the data stored in the
classic relational databases (RDB). This paper provides a method that gives a meaning to …