1 “... submissions. The papers are grouped in topical issues on knowledge engineering and semantic web; social...”

2 “... decision making, consensus computing, knowledge integration, semantic web, social networks and multi-agent...”

3 “... decision making, consensus computing, knowledge integration, semantic web, social networks and multi-agent...”

4 “... Analytics, DL and Big Data, DL and Forensics, DL and Cybersecurity, DL and Social Networks, Evolving Systems...”

5 “... and Big Data Analytics, DL and Big Data, DL and Forensics, DL and Cybersecurity, DL and Social Networks...”

6 “... and Big Data Analytics, DL and Big Data, DL and Forensics, DL and Cybersecurity, DL and Social Networks...”

7 Table of Contents: “... Computation of Node Bridgeness in Social Networks -- Valuation and Selection of OSS with Real Options -- State...”

8 Table of Contents: “.... -- Predicting Song Popularity through Machine Learning and Sentiment Analysis on Social Networks. -- Tourist...”

9 Table of Contents: “...-enhanced Graph Convolutional Networks for Rumor Detection in Online Social Networks -- BIG-FG: A Bi...”

10 Table of Contents: “... Heritage Data in Social Networks -- Forecasting Air Flight Delays and Enabling Smart Airport Services...”