Ontology learning from biomedical natural language documents using UMLS.
Juana María Ruiz-MartínezRafael Valencia-GarcíaJesualdo Tomás Fernández-BreisFrancisco García-SánchezRodrigo Martínez-BéjarPublished in: Expert Syst. Appl. (2011)
Keyphrases
- ontology learning
- natural language processing
- free text
- natural language
- biomedical literature
- information extraction
- text mining
- text corpora
- semantic relations
- text documents
- text analysis
- information retrieval
- background knowledge
- document clustering
- document collections
- term extraction
- question answering
- knowledge acquisition
- document classification
- information retrieval systems
- machine learning
- computational linguistics
- semantic network
- knowledge representation
- automatic extraction
- semantic web
- document retrieval
- textual data
- information processing
- text classification
- wordnet
- named entities
- text data
- inductive logic programming
- logic programs
- unsupervised learning
- structured data
- knowledge discovery
- data mining
- domain knowledge
- metadata