This book constitutes revised selected papers from the 15th International Conference on Web Information Systems and Technologies, WEBIST 20109 held in Vienna, Austria, in September 2019.

The 10 full papers presented in this volume were carefully reviewed and selected from originally 87 paper submissions. They contribute to the understanding of relevant trends of current research on Web Information Systems and Technologies, including Big Data and Connected Services; Web Performance; Context-aware and Adaptive Web Applications; Human Robot Collaboration and Multi-Agent Systems; Web Application Operating Systems and Platforms; Social Media Advertising and Enhancing Purchase Intentions; Natural Language Query Interfaces and Semantic Web; and Human-computer Interaction and Dynamic Web Pages.

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 post proceedings of the 18th International Conference on Software Technologies, ICSOFT 2023, held in Rome, Italy, during July 10–12, 2023.

The 7 full papers included in this book were carefully reviewed and selected from 129 submissions. They focus on Software Engineering and Systems Development; Software Systems and Applications; and Foundational and Trigger Technologies.

This book constitutes the refereed post-proceedings of the 11th International Conference on Model-Driven Engineering and Software Development, MODELSWARD 2023, which took place in Lisbon, Portugal during February 19-21, 2023.

The 8 full papers included in this book were carefully reviewed and selected from 41 submissions. The papers are categorized under the topical sections as follows: Applications and System Development and Modeling Languages, Tools and Architectures.

This book constitutes revised selected papers from the 15th International Conference on Web Information Systems and Technologies, WEBIST 20109 held in Vienna, Austria, in September 2019.

The 10 full papers presented in this volume were carefully reviewed and selected from originally 87 paper submissions. They contribute to the understanding of relevant trends of current research on Web Information Systems and Technologies, including Big Data and Connected Services; Web Performance; Context-aware and Adaptive Web Applications; Human Robot Collaboration and Multi-Agent Systems; Web Application Operating Systems and Platforms; Social Media Advertising and Enhancing Purchase Intentions; Natural Language Query Interfaces and Semantic Web; and Human-computer Interaction and Dynamic Web Pages.

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 post proceedings of the 18th International Conference on Software Technologies, ICSOFT 2023, held in Rome, Italy, during July 10–12, 2023.

The 7 full papers included in this book were carefully reviewed and selected from 129 submissions. They focus on Software Engineering and Systems Development; Software Systems and Applications; and Foundational and Trigger Technologies.

This book constitutes the refereed post-proceedings of the 11th International Conference on Model-Driven Engineering and Software Development, MODELSWARD 2023, which took place in Lisbon, Portugal during February 19-21, 2023.

The 8 full papers included in this book were carefully reviewed and selected from 41 submissions. The papers are categorized under the topical sections as follows: Applications and System Development and Modeling Languages, Tools and Architectures.