In this article, we provide a comprehensive introduction to knowledge graphs, which have
recently garnered significant attention from both industry and academia in scenarios that …

Abstract Semantic Question Answering (SQA) removes two major access requirements to
the Semantic Web: the mastery of a formal query language like SPARQL and knowledge of …

A large number of machine translation approaches have recently been developed to
facilitate the fluid migration of content across languages. However, the literature suggests …

The lack of significant breakthroughs in terms of alternative energy sources has caused both
fuel consumption and gas emissions to constantly increase. In this context, improving fuel …

The application and benefits of Semantic Web Technologies (SWT) for managing, sharing,
and (re‐) using of research data are demonstrated in implementations in the field of …

For expressive ontology languages such as OWL 2 DL, classification is a computationally
expensive task—2NEXPTIME-complete in the worst case. Hence, it is highly desirable to be …

Time is a fundamental concept in data processing. The growth of social media (SM) data
and the rise of the Internet of Things (IoT) underscores the necessity for studying temporal …

The Web contains some extremely valuable information; however, often poor quality,
inaccurate, irrelevant or fraudulent information can also be found. With the increasing …

It has been shown, both theoretically and empirically, that reasoning about large and
expressive ontologies is computationally hard. Moreover, due to the different reasoning …

The rise in popularity of various social network applications has brought the opportunities for
Internet users to share and reuse a plethora of things like images, videos, datasets, ideas …