The problem of querying description logic knowledge bases using database-style queries
(in particular, conjunctive queries) has been a major focus of recent description logic …

Ontology-based applications play an increasingly important role in the public and corporate
Semantic Web. While today there exist a range of tools and technologies to support specific …

The paper focuses on the task of approximate classification of semantically annotated
individual resources in ontological knowledge bases. The method is based on classification …

Data heterogeneity in the public sector is a serious problem and remains to be a key issue
as different naming conventions are used to represent similar data labels. The e-government …

We introduce a novel view on how to deal with the problems of semantic interoperability in
distributed systems. This view is based on the concept of emergent semantics, which sees …

Geological data–records of physical structures and substances of the earth, their history, and
the processes associated with them–are not only essential for studying our mother planet …

To evaluate and compare various ontology mapping algorithms, it is indispensable to apply
them to a group of test ontology pairs and compare the results (named mappings, also …

Abstract In Semantic Web, the knowledge sources usually contain inconsistency because
they are constantly changing and from different view points. As is well known, as based on …

The development of monolithic ontologies for complex domains may face various
challenges in reasoning and implementation. The notion of modularity can be employed for …