This is a one-hour video recording of the presentation of Enrico Motta at the KnowledgeWeb summer school 2007. It comprises the video synchronized with the slides (requires Flash) or the video alone. Table of Contents: A Research Programme for the Semantic Web Introduction Organization of the Talk The Semantic Web Charting the web Increasing Semantic Content The Rise of Semantics Thesis #1 Thesis #2 Knowledge Representation Hypothesis in AI Intelligence as a function of possessing domain knowledge The Knowledge Acquisition Bottleneck SW as Enabler of Intelligent Behaviour Overall Goal Architecture of NGSW Apps Issue: Semantic Web Infrastructure Current Gateway to the Semantic Web Limitations of Swoogle A New Gateway to the Semantic Web 'Sophisticated quality control mechanism' Examples of Next Generation Semantic Web Applications Example #1: Ontology Matching Ontology Matching New paradigm: use of background knowledge External Source = One Ontology External Source = Web External Source = SW 'How to combine online ontologies' Strategy 1 - Definition Strategy 1- Examples Strategy 2 - Definition Strategy 2 - Examples Large Scale Evaluation Chart 2 Thesis #3 Example #2: Integrating SW and Web2.0 Features of Web2.0 sites Limitations of tagging Giving meaning to tags What does it mean to add semantics to tags Applications of the approach Experiments Examples Lessons Learnt Example #3: Semantics-Enhanced Web Browsing Conclusions References 'Vision' Papers