Designing metaschemas for the UMLS enriched semantic network.
Li ZhangYehoshua PerlMichael HalperJames GellerPublished in: J. Biomed. Informatics (2003)
Keyphrases
- semantic network
- lexical metaschema
- semantic net
- spreading activation
- array processor
- semantic relations
- semantic structures
- knowledge base
- wordnet
- linguistic analysis
- predicate logic
- knowledge sources
- database
- related concepts
- natural language text
- biomedical text
- natural language processing
- artificial intelligence
- data sets
- predicate calculus
- semantic similarity
- knowledge representation
- domain knowledge