Transitive closure of subsumption and causal relations in a large ontology of radiological diagnosis.
Charles E. Kahn Jr.Published in: J. Biomed. Informatics (2016)
Keyphrases
- transitive closure
- causal relations
- causal models
- medical knowledge
- directed acyclic graph
- expressive power
- causal relationships
- query evaluation
- first order logic
- recursive queries
- domain knowledge
- query language
- knowledge base
- spatial databases
- conditional probabilities
- domain ontology
- temporal relations
- relational algebra
- semi automatic
- knowledge representation
- formal concept analysis
- decision problems
- high dimensional
- machine learning