Knowledge graphs have, for the past decade, been a hot topic both in public and private
domains, typically used for large-scale integration and analysis of data using graph-based …

The increasing interconnections of city services, the explosion of available urban data, and
the need for multidisciplinary analysis and decision making for city sustainability require new …

The tourism and hospitality sectors have become increasingly important in the last few years
and the companies operating in this field are constantly challenged with providing new …

Existing smart city ontologies allow representing different types of city-related data from
cities. They have been developed according to different ontological commitments and hence …

Online platforms have become the primary means for travellers to search, compare, and
book accommodations for their trips. Consequently, online platforms and revenue managers …

Knowledge Graphs (KGs) are becoming the core of most artificial intelligent and cognitive
applications. Popular KGs such as DBpedia and Wikidata have chosen the RDF data model …

The introduction of the schema. org vocabulary was a big step towards making websites
machine read-and understandable. Due to schema. org's RDF-like nature storing …

Ambient Intelligence is currently a lively application domain of Artificial Intelligence and has
become the central subject of multiple initiatives worldwide. Several approaches inside this …

Assessing the quality of an evolving knowledge base is a challenging task as it often
requires to identify correct quality assessment procedures. Since data is often derived from …

In the field of complex problem optimization with metaheuristics, semantics has been used
for modeling different aspects, such as: problem characterization, parameters, decision …