Introduction to Linked Data and Its Lifecycle on the Web.- An Introduction to Question Answering over Linked Data.- Query Processing for RDF Databases.- Introduction to Graph Databases.- An Introduction to Description Logics and Query.- An Introduction to Ontology-Based Query Answering with Existential.- Ontology Based Data Access on Temporal and Streaming.- Querying and Learning in Probabilistic Databases.- Semantic and Reasoning Systems for Cities and Citizens.