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Challenges of Constructing a Railway Knowledge Graph
Published on Jul 19, 201930 Views
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Chapter list
Challenges of Constructing a Railway Knowledge Graph00:00
Challenges of Constructing a Railway Knowledge Graph - 200:01
Different Train Protection and Interlocking Systems00:41
Isolated and Heterogeneous Data Sources01:36
Integrate the Data Sources03:10
Knowledge Graph Requirements03:55
Iterative Knowledge Graph Integration05:16
Technical Challenges07:37
Standard Rail Ontologies (Schemata)07:56
Manual Alignment and Matching/Mapping09:54
Open and Closed World Reasoning12:02
Missing RDF/SPARQL Features12:47
Brownfield Development14:11
Summary: KGs are great to use but hard to create14:56