The 10 full papers from WEBIST 2021 and 1 full paper from WEBIST 2020 presented in this volume were carefully reviewed and selected from originally 48 paper submissions in 2020 and 107 submissions in 2021.

The selected papers contribute to the understanding of relevant current research trends in Web information systems and technologies, including deep learning, knowledge representation and reasoning, recommender systems, internet of things, Web intelligence and big data.

This book constitutes revised selected papers from the 18th International Conference on Web Information Systems and Technologies, WEBIST 2022, which took place in Valletta, Malta, in October 2022.

The 13 full revised papers presented in this book were carefully reviewed and selected from a total of 62 submissions. 

The selected papers contribute to the understanding of relevant current research trends in Web information systems and technologies, including deep learning, knowledge representation and reasoning, recommender systems, internet of things, Web intelligence and big data.

This book constitutes the refereed proceedings of the 19th International Conference on Web Information Systems and Technologies, WEBIST 2023, held in Rome, Italy, during November 15–17, 2023.

The 5 full papers and 8 short papers included in this book were carefully reviewed and selected from 77 submissions. The selected papers contribute to the understanding of relevant trends of current research on Web Information Systems and Technologies, including: Human Computer Interaction, Application, Research Project and Internet Technology, UX and User-Centric Systems, Web Programming, Web Tools and Languages, Applications, Research Projects and Web Intelligence, Natural Language Processing, Human Factors, Web Information Filtering and Retrieval and Web Interfaces and Applications.

The 10 full papers from WEBIST 2021 and 1 full paper from WEBIST 2020 presented in this volume were carefully reviewed and selected from originally 48 paper submissions in 2020 and 107 submissions in 2021.

The selected papers contribute to the understanding of relevant current research trends in Web information systems and technologies, including deep learning, knowledge representation and reasoning, recommender systems, internet of things, Web intelligence and big data.

This book constitutes revised selected papers from the 18th International Conference on Web Information Systems and Technologies, WEBIST 2022, which took place in Valletta, Malta, in October 2022.

The 13 full revised papers presented in this book were carefully reviewed and selected from a total of 62 submissions. 

The selected papers contribute to the understanding of relevant current research trends in Web information systems and technologies, including deep learning, knowledge representation and reasoning, recommender systems, internet of things, Web intelligence and big data.

This book constitutes the refereed proceedings of the 19th International Conference on Web Information Systems and Technologies, WEBIST 2023, held in Rome, Italy, during November 15–17, 2023.

The 5 full papers and 8 short papers included in this book were carefully reviewed and selected from 77 submissions. The selected papers contribute to the understanding of relevant trends of current research on Web Information Systems and Technologies, including: Human Computer Interaction, Application, Research Project and Internet Technology, UX and User-Centric Systems, Web Programming, Web Tools and Languages, Applications, Research Projects and Web Intelligence, Natural Language Processing, Human Factors, Web Information Filtering and Retrieval and Web Interfaces and Applications.