Lecture
Semantic Web: Knowledge Graphs
In course
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Description
This lecture covers knowledge representation, information extraction, and knowledge graphs. It explains the representation of semantics in data, database schemas, web scraping, and the use of HTML and XML for structuring data. The lecture also delves into the challenges of encoding data semantics, semi-structured data, and the vision of the Semantic Web by the W3C. It discusses overcoming semantic heterogeneity, the importance of standardization, mapping, and ontologies in structuring data. The lecture concludes with the concept of direct schema mapping and mediated mappings using shared ontologies.
Official source
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