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 …

The Linked Data paradigm has enabled a huge shared infrastructure for connecting data
from different domains which can be browsed and queried together as a huge knowledge …

Wikidata is the largest general-interest knowledge base that is openly available. It is
collaboratively edited by thousands of volunteer editors and has thus evolved considerably …

In the linked open data cloud, the biggest open data graph that currently exists, a
remarkable percentage of data are unnamed resources, also called blank nodes. Several …

Because of the open-collaborative of online encyclopedias, a large number of knowledge
triples are improperly classified in online encyclopedia systems, and it is necessary to …

A massive amount of resource description framework (RDF) data are available on the web.
An RDF data publisher may want to prevent a few users from accessing a certain part of the …

Managing and analyzing huge amount of heterogeneous data are essential for various
services in the Internet of Things (IoT). Such analysis requires keeping track of data versions …

The open collaborative characteristics of online encyclopedia and the large number of
ambiguity phenomena in the encyclopedia entry lead to inappropriate classification of plenty …

Over the last decade, the published RDF data in the Web is continuously evolving leading to
an important number of RDF datasets in the Linked Open Data (LOD). There is an emergent …

Graph databases are increasingly used for RDF (Resource Description Framework) data
management. Mining reachability relationships between resources is one of important …