<p>Web application engineering, Processes and methods for Web application development, Conceptual modeling of Web applications, Model-driven Web application development, Domain-specific languages for Web application development, Component-based Web application development, Web application architectures and frameworks, Rich Internet Applications, Mashup development and end user Web programming, Patterns for Web application development and pattern mining, Web content management and data-intensive Web applications, Web usability and accessibility, I18N of Web applications and multi-lingual development, Testing and evaluation of Web applications, Deployment and usage analysis of Web applications, Performance modeling, monitoring, and evaluation, Empirical Web engineering, Web quality and Web metrics, Adaptive, contextualized and personalized Web applications, Mobile Web applications and device-independent delivery, Web service engineering, Web service engineering methodologies, Web Service-oriented Architectures, Semantic Web services, Web service-based architectures and applications, Quality of service and its metrics for Web applications,  Inter-organizational Web applications, Ubiquity and pervasiveness, Web data engineering, Semantic Web engineering, Web 2.0 technologies, Social Web applications, Web mining and information extraction, Linked Data, Web data linking, fusion; Information quality assessment, Data repair strategies, Dataset dynamics, Dataset introspection; Linked Data consumption, visualization and exploration; Deep Web; Web science and Future Internet applications.</p>